The action is a multi-shot bolt-action of a fairly tactical design which along with its very modest price means they have found favour with rat shooters who use them in the rough world of clearing these pests from farm yards. The HW 35, being a spring-gun suffered with recoil and was quite noisy for an air rifle. Custom Shop. This seats the pellet into the rifling and seals the breech. Has anyone found a source for breech seals on a chinese B3-1 air rifle? Is there a hardware store type gasket or seal that would work for this rifle? You guys are a wealth of information on this forum-- -----thanks Ray :emoticon:. My gun has the gas in the mag. ) ORING SEALS typically are easier to slide into tubes and are less costly when replacing just an oring if needed. I have been lookingh to buy a vermin control air rifle for my garden but I have a very tight budget. Protect your air rifle from moisture and dirt; clean airgun and wrap it in a smooth, dry cloth. A few words from Mike: Sent my pride and joy to Adam of airrifletech which was hard to be without but it was not gone long and I must say any rifle I get in the future will be straight to A. For standard Crosman breech, order the. Experience for yourself the most effective, hassle and mess-free gun cleaning product on the market today. 5 x 1 breech seal. Gamo Air Rifle Breech Washer Barrel Seal Ref 01180. I got a great airgun at a great price, $40 less than anywhere else I could find the model I wanted. 177Caliber) Pioner. If you are left handed and want it for a pistol buy the rifle breech. 0•25 calibre with an extra 0•22 barrel, this gun measures 38 3/4″ overall, and has a 24″ barrel which. As a result of my design, the vibration from the air against the washer creates a deafaning honking sound, not very sniper-like. Where can I purchase a Breach Seal for a Crosman Spring Air Rifle, Model C1K77? The Product # is C1K77-008. If you do not know what seal they use, go to a forum and find out. This is the original bsa barrel breech seal, it is far better than the black seal fitted to current models. More forgiving of bore idiotcycries and. Because theres no power?. Breech Bolt Port Cover, Used Factory Original. I went ahead and tore the gun down to try and fix it and so far I think I did. was in plum centre and bought some rubber seals for well plumbing. Marksman Model 2070 Break Barrel Air Rifle Combo The Marksman® Model 2070 Air Rifle Combo is a simple and reliable break barrel airgun that will give hours of enjoyment. 5 ft•lbf (14. Remember, do not over-oil, and keep low flash point oils away from air vent and breech seal. Any ideas here would be greatly appreciated. All the precision parts and expert information you need to custom tune your break barrel airgun. They will not fit a standard Crosman breech. That's because the airguns of this era usually had leather seals, and leather seals need proper lubrication to keep them from drying out. Quick view. Umarex USA is one of the leading manufacturers and suppliers of airguns, pistols, rifles, and more. Shop Customairseals BSA METEOR SERVICE KIT AIR RIFLE SPRING ORING BUFFER BREECH SEAL LUBE ALL PARTS. Gamo Air Rifle Breech Washer Barrel Seal Ref 01180. "CustomAirSeals Air rifle seals"and parts to suit Gamo, Weihrauch, BSA, Hatsan, Norica, Cometa, Diana and many more. Shanghai Airgun Fatory/Industry Brand QB78/78D, AR2078, AR2078A. Once these seals become worn, the weapon will fail to perform properly. So I basically just need to make sure that the rifle is held securely, and then pry the old seal out and push the new one in. Crosman Breech Seal. We are delighted to offer the best tuning kit from V-Mach for Weihrauch air rifles. Although, that is good info for the future. If you have any images to sent me or any link's that can help me i will be very , very grateful ! Have a nice day ! Reply Delete. The design objective of an air-tight brass breech system is to create a 100% air-tight seal all the way from the plunger through to the barrel, thereby providing efficient air pressure delivery to propel the foam darts further. I ordered a. As a result of my design, the vibration from the air against the washer creates a deafaning honking sound, not very sniper-like. Never use Napier power lube down the barrel has it says on the packet it will put your gun over 12 ftlb limit. All seals are sold as 1 unit unless noted like TX breech seals and Recoilless RWS seal sets. The removed length was 320mm; a new spring may measure c. A few months ago I started thinking about giving it a serious tune, with new spring, piston seal, spring guides, and so forth. Yesterday a few things to check were brought up by some of you, as a result today I unscrewed the comp tube end and replaced the o ring, reduced the length of the stock fixing screw which could be seen on the breech area, changed the breech seals (again) and retested the power. In addition if you have bought an airgun second-hand you cannot be sure of what the previous owner has done to it. with air airguns i can shoot anytime day or night. Breech lock. This part of the air gun should only be lubricated by an official. I retired it maybe 8 or ten years ago as the special breech seal finally crumbled. The Cobra venom Breech will come in. new seal kits listed for fx airguns an d webley airguns. I adjust all my guns so there is a minimum of seal crush, but not more than the spring lockup can overcome. Have an air leak and down on FPS, These high quality Viton O rings are the perfect fit for your Tired Diana air gun Breech seal. Shop in Air-Gun-Seals-Components- from Shooting and Scuba Shop. The angle of the breech end of the barrel is the same as the angle of the end of the compression chamber. BTW My 2250 tube was drilled for the new breech bolt hole location, but not tapped. Find many great new & used options and get the best deals for Breech Seal Shim Kit for Umarex RWS Ruger and Xisco Break Barrel Air Rilfles at the best online prices at eBay!. Custom valve work, port seal, Match grade L/W barrel, and trigger work done. Everything went smooth as silk. I'm not sure about the breech seal in your airgun being of a standard size that you can buy at hardware stores, but there are few choices in selecting the rubber it is made of. All the precision parts and expert information you need to custom tune your break barrel airgun. A few months ago I started thinking about giving it a serious tune, with new spring, piston seal, spring guides, and so forth. Basic Air Rifle Maintenance Guide. Reviewer: Michael Pledge. AirGunSeals. The probe sealing O-ring is inside the 4. The kit was developed by an exhaustive analysis of the barrel/breech seal/compression tube interface; a major cause of muzzle velocity loss in standard factory guns. Photos, logos, videos, & press releases. its a pain to make them but if we can do it the first time around, its time not a big deal. Has anyone found a source for breech seals on a chinese B3-1 air rifle? Is there a hardware store type gasket or seal that would work for this rifle? You guys are a wealth of information on this forum-- -----thanks Ray :emoticon:. I already owned a Ruger Air Hawk and, clearly, the Impact Max. The kit includes a F1 Powr-Lok spring with a PTFE top hat piston guard and polished spring guide, Powr-Pulse piston seal, pre-compression washers for power adjustment if required, Moly gun grease and Moly gun oil. This is a discussion on breech seal within the Rifles forums, part of the Rifle & Shotgun Forum category; hi! new to airguns i have always shot 270 and 5. The action is a multi-shot bolt-action of a fairly tactical design which along with its very modest price means they have found favour with rat shooters who use them in the rough world of clearing these pests from farm yards. The kit allows you to minimize air loss and thus maximize muzzle velocity. Download manuals and parts diagrams. I'm not sure about the breech seal in your airgun being of a standard size that you can buy at hardware stores, but there are few choices in selecting the rubber it is made of. 22 and have 3 friend with the same rifle and all 4 rifles have that problem, i solved mines by increasing the oring caliber a little bit… but the 3 rifles of my friends every 100-150 pellets they break the breech oring… and they have spares that they bought from AOA and also with those, they have to change them frecuently…. com is the number one top-rated air gun store on the internet. 25 Caliber Barrel for Crosman 22XX. If you shut the barrel, it won't properly shut (you can move the end of the barrel about 2 millimeters up and down), so you have to hold it in place in order to make it shoot at all. Help with Air Arms breech seal. We sell Crosman, Baikal, Walther, Daisy, Umarex, Benjamin and many other brand name air pistols and rifles. Download manuals and parts diagrams. Over time, the breech seal can become worn, decreasing the overall efficiency of your rifle. CNC Machined From Quality Materials. i had a daystate r hp in. The Compression Chamber is the share of the receiver that actual air compression occurs when the piston moves forward in shooting movement. As a result of my design, the vibration from the air against the washer creates a deafaning honking sound, not very sniper-like. Owner's Manuals. 25 CAL Mrod Multi shot Breech magazine. Reviewer: Michael Pledge. These guns shoot, but they will benefit from some care and attention from a new owner. We carry an extensive selection of Beeman air rifle parts (Weihrauch is often rebranded as Beeman for North American sales), from brand-new stocks for right-handed,. Has anyone found a source for breech seals on a chinese B3-1 air rifle? Is there a hardware store type gasket or seal that would work for this rifle? You guys are a wealth of information on this forum-- -----thanks Ray :emoticon:. Gain maximum performance at a low cost. Unfortunately we all get ripped off on these tiny plastic or rubber seals that are so vital to the airgun. SPA M22 PCP AIR RIFLE 5. Shanghai Airgun Fatory/Industry Brand QB78/78D, AR2078, AR2078A. Check for signs of rust along the. 22 The thing is that if I put the OEM steel breech shim under the new O-ring, it feels like the barreldoes not fully lock when closed. If we offer seals for guns we note and list them here. by the O rings and seals in the. Understand how an air rifle works before attempting any home repairs. 8mm outer diameter. 3 seals and shipping total they said was $13. Third time I went to shoot it at around 100 pellets thru the gun it started leaking C02 badly. And indeed, the breech seal on this gun was pretty dry, and the lackluster shooting behavior suggested the piston seal was in the same condition. It's the breech seal, not the piston seal. I have been lookingh to buy a vermin control air rifle for my garden but I have a very tight budget. Air Venturi. Find many great new & used options and get the best deals for Breech Seal Shim Kit for Umarex RWS Ruger and Xisco Break Barrel Air Rilfles at the best online prices at eBay!. It should not move. bb218 m6x30 dowel pin - breech stop 0. Buy Air Rifle Parts & Spares From The Sportsman Gun Centre. Le migliori offerte per Gamo Breech Seal for PT80 and PT90 CO2 Air Pistols sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis!. (The distinction is vitally important in the chemical processes where oil contamination must be avoided, but is unlikely to be a problem with pneumatic guns) These compressors are very large, heavy, and expensive and require enormous amounts of power, as compressing air is a very inefficient business. Top Rated. also 50 nitrile 70 and 10 Viton breech seals again for the 177. Breech seal is 3mm c/s, 16mm od, 10mm id. There seems to be a re­la­tion­ship be­tween avail­able air mass and the max­i­mum muz­zle en­ergy that can be achieved be­fore peak tem­per­a­ture be­comes high enough to dam­age seals. Figure 5B10 A shows how a continuous screw closure might be used to seal the breech end of a metal tube to make a gun of it. Great for hunting or target shooting and deadly accurate with plenty of power. 18” or any air gun shooting 700 fps (feet per second) or greater must go to FFL dealer New Jersey: Requires FFL to transfer on all air guns (Note: Air rifles with suppressors cannot be shipped to New Jersey) New York City, NY (Including Manhattan, Brooklyn, Bronx, Queens, Staten Island): Cannot Ship. com AirGunSeals for all your airgun repair and re-seal requirements - AirGunSeals fro all your airgun, pellet gun and BB gun repair and sealing parts AirGunSeals. Get the best deals on Air Rifle Parts when you shop the largest online selection at eBay. This little seal has given me much grief over the duration of my testing. SPA M22 PCP AIR RIFLE 5. The Cobra venom Breech will come in. Gamo Air Rifle Breech Washer Barrel Seal Ref 01180. PLEASE NOTE: Many parts for Webley air rifles are common to different models. Marksman Model 2070 Break Barrel Air Rifle Combo The Marksman® Model 2070 Air Rifle Combo is a simple and reliable break barrel airgun that will give hours of enjoyment. This gun is air-powered and can shoot almost 200 feet. The piston seal must remain moist with lubrication to reduce friction, create the best air seal and prevent seal deterioration. Yesterday a few things to check were brought up by some of you, as a result today I unscrewed the comp tube end and replaced the o ring, reduced the length of the stock fixing screw which could be seen on the breech area, changed the breech seals (again) and retested the power. Today I have made some washers from the engine oil can to compensate the breech seal depth(6mm). Pellet stuck. o-rings to breech seals we stock it all. BSA Breech Seal, 9th May 2016. Fits Beeman R-series air rifles. Browse your favorite brands affordable prices free shipping on many items. This is important to secure an airtight seal. An air gun according to claim 1 wherein said smaller longitudinal passageway has a closed off, sealed rear end and a further opening connects said smaller passageway to said main passageway in a rear end portion of said breech. I had ordered part number WAL2185831 (Breech Seal O-Ring, $3. IMHO, it's a brilliantly-designed marvel of an airgun. Breech Seal Removal & Replacement Hi Guys, In Air Rifles more often than not, the breech seal is taken for granted, whereas attention is paid to parts such as the receiver, piston seal, spring, rear guide & top hat to maintain its power & accuracy. gamo breech seals there are 3 sizes. could it the breech seal. 72: bb222 barrel seal (10x2. This is a discussion on breech seal within the Rifles forums, part of the Rifle & Shotgun Forum category; hi! new to airguns i have always shot 270 and 5. Diana Airgun Breech Seal | Trade Me Diana Airgun Breech Seal for sale on Trade Me, New Zealand's #1 auction and classifieds website. BTW My 2250 tube was drilled for the new breech bolt hole location, but not tapped. If you require a custom made piston seal for a certain model contact me I can make seals from drawings or from a sample. 8mm inner diameter, 20. new seal kits listed for fx airguns an d webley airguns. Used in Good Condition. I retired it maybe 8 or ten years ago as the special breech seal finally crumbled. It looks like I'm sanding the shim on the carpet but there is a surfaced block of steel under the sandpaper These shims can be anywhere from 0. Bakelite Furniture. Great for hunting or target shooting and deadly accurate with plenty of power. For standard Crosman breech, order the. Test your seal with a small piece of thin light tissuepaper put over the breech when firing the gun. Did you miss your. you could really hear it coming out the barrel and breech area. o-rings to breech seals we stock it all. In today's post, we will look at another repeating rifle, but this one has a number of very unusual features of interest. you should do this after every game before you put the gun away, and, if at all possible, each time you load a new cartridge. Customairseals UMAREX Ruger RWS Winchester Diana 28MM Piston Seal AIR Rifle Gun Octane AIR Hawke BB. Apply one drop of RWS Chamber Lube to the outer edge of the breech seal after every 1000 shots. 22 calibers. Servicing a Walther LP3, repair and seal replacment: This is a walther LP3 air pistol typically well looked after with the original box, manual and test grouping card. This is the original bsa barrel breech seal, it is far better than the black seal fitted to current models. Most people seem to only have the cap seal leak, mine was just the opposite. its a pain to make them but if we can do it the first time around, its time not a big deal. GAMO – AIR GUN MANUFACTORER Gamo - Air Gun Manufacturer Gamo is an airgun manufacturer. Worn Breech Seal 'O' ring seals. You may also like. Quite a bit of air escapes here, so a simple mod to increase efficiency is to disassemble the rifle, remove the barrel from the breech block, and wrap the breech end of the barrel in teflon tape so it creates an actual seal once inserted into the breech block. The Crosman barrel starts as 7/16 diameter stock, which is. The Dreyse Zündnadelgewehr (Dreyse needle gun) was a single-shot breech-loading rifle using a rotating bolt to seal the breech. BTW My 2250 tube was drilled for the new breech bolt hole location, but not tapped. Moly is good here. The 130-036 gasket is used as a transfer port sleeve and breach seal in many Crosman air guns. The breech hole allows air to escape as the gun fires, therefore reducing range. Size 3/32" cross section and 1/4" internal diameter. Handy for when you get air blowing out the breech when you fire your rifle. The Original Molybdenum Disulfide Impregnated Air Rifle Seals Custom Made In Australia. Add to Cart. Find the seal. Help with Air Arms breech seal. If your existing factory fitted / aftermarket breech seal is worn or split then gas escapes elsewhere, reducing the power and velocity of your rifle. The piston seal must remain moist with lubrication to reduce friction, create the best air seal and prevent seal deterioration. Please read the information at the top of our tune kit page. 25 caliber Pro - Well made, all modified parts are steel, very accurate, quite powerful for an air pistol, receiver grooved for optical sights. This is the story of my first break barrel gun, a Marksman 746 air rifle. 22 caliber Seal Kit: Included in this kit are 9 seals as follows: 3 x Barrel O-Ring (Medium Size, Black) 2 x Breech Seal (aftermarket seal, only 1 required for gun reseal) 1 x Valve O-Ring (Black) 1 x Co2 Cap O-ring (White). An air gun according to claim 3 wherein said breech is formed with a longitudinally extending, dovetail connector. Gamo Air Rifle Breech Washer Barrel Seal Ref 01180. Weak Hammer Spring. It was so called because of its. 100-101 SERIES AIR RIFLE, 140. Today's study will be about the Girandoni Repeating Air Rifle. Everything went smooth as silk. If you require a custom made piston seal for a certain model contact me I can make seals from drawings or from a sample. Free delivery on orders over £100 and no-hassle returns on Air Rifle Parts & Spares at Europe's biggest and best gun retailer. Also fits Shanghai Airguns AR1000 and Tech Force TF89 models. new seal kits listed for fx airguns an d webley airguns. Range Safety is always important, no matter what type of pistol or rifle you are using. air rifle spares, 8th Dec 2015. And indeed, the breech seal on this gun was pretty dry, and the lackluster shooting behavior suggested the piston seal was in the same condition. I wanted a good air rifle for a varmint problem and. Buy and sell Air rifles on Trade Me. That’s because the airguns of this era usually had leather seals, and leather seals need proper lubrication to keep them from drying out. Air Venturi Breech Seal, Fits Beeman R-Series, Select Marksman and HW Air Rifles * Breech. This is the QF2 Air gun care products kit and is for the B3-1,B3-2, and B4 side and under lever air rifles. Browse your favorite brands affordable prices free shipping on many items. Diana Model 22 & Model 23 Front Stock Screw. Owner's Manuals. BREECH SEALS. Fitting directly onto OEM gun features without modifications to the air gun. Never use Napier power lube down the barrel has it says on the packet it will put your gun over 12 ftlb limit. 5-inch needle-like firing pin, which passed through a paper cartridge case to impact a percussion cap at the bullet base. How to change an air rifle breech seal or breech washer on any air rifle or air gun that uses a replaceable breech seal, this may be necessary if your air gun or air rifle is losing power, or has. Cost - $115 without sights, $125 with sights retail. specs (1250 FPS muzzle velocity), and it comes with a scope. Gain maximum performance at a low cost. Yesterday a few things to check were brought up by some of you, as a result today I unscrewed the comp tube end and replaced the o ring, reduced the length of the stock fixing screw which could be seen on the breech area, changed the breech seals (again) and retested the power. BARREL PIVOT POINTS and detents benefit from regular lubrication with a light polarizing oil. Buy and sell Air rifles on Trade Me. If you do not know what seal they use, go to a forum and find out. Changing to the steel breech has a positive effect on accuracy. If you require a custom made piston seal for a certain model contact me I can make seals from drawings or from a sample. Romanian Surplus Air Rifle, 4. Breech lock. 009 above the breech surface. Anyway, put a good amount of lubricant on the seal. Also, POI drops for about 15mm if I use a new breech seal. If your gun has the CO2 holder in the handle, look up inside that. Crosman borrowed their classic grip frame from their 1377 pistol for the 2240. Owner's Manuals. PROTEK SUPPLIES M84 Chinese under lever air rifle breech seel £3. X20 breech and seal. CustomAirSeals can make any seal from drawings or a working sample using a variety of materials. Browse your favorite brands affordable prices free shipping on many items. I discuss the breech seal and demonstrate how to go about replacing the original style leather and brass seal. Fast easy deal. The gun should remain on safe until the pistol (or rifle) is on target and you are ready to shoot. "CustomAirSeals Air rifle seals"and parts to suit Gamo, Weihrauch, BSA, Hatsan, Norica, Cometa, Diana and many more. 1740, PC77 and 1760 In good shape. Moly is good here. Whether you plan to shoot again the next day or not again for another 2 years, always put one pump into the gun when you’re done shooting! This air rifle has no scope rail or dovetail. Follow my tips and you will end up with a smooth firing spring powered air gun, with better accuracy. ) ORING SEALS typically are easier to slide into tubes and are less costly when replacing just an oring if needed. Airgun seal kits for many models of Benjamin, Crosman, Daisy, and other top airgun brands can be purchased here in pre-made kits which include seals, oil, and other parts required to repair your airgun, or help it to shoot harder. Such a breech closure or plug would of course require unscrewing to open the breech after firing. We are delighted to offer the best tuning kit from V-Mach for Weihrauch air rifles. (Click on Categories above). 0 19 reviews. I bought a. The original plastic breech just locates the barrel and the barrel band is what holds it in place. This is for the complete gun, as tested. Every airgun I have ever opened had sharp edges from manufacturing, improper lubrication or damaged piston seals. Check for signs of rust along the. Discussion in 'General Airgun Chat' started by what barn door, Sep 8, 2019. Intergrated suppressor & two stage adjustable trigger. Weak Hammer Spring. The seal that was in the gun was an inadequate replacement which was leaking badly. you could really hear it coming out the barrel and breech area. CNC Machined From Quality Materials. Range Safety is always important, no matter what type of pistol or rifle you are using. [email protected] For standard Crosman breech, order the. 56 most of the time. 5MM PCP air rifle with smooth cocking bolt handle & magazine fitted onto its breech. Download manuals and parts diagrams. I already owned a Ruger Air Hawk and, clearly, the Impact Max. Air Venturi Breech Seal, Fits Beeman R-Series, Select Marksman and HW Air Rifles. I have wit­nessed breech seal fail­ure fol­low­ing the very first shot of an air­gun that was pushed be­yond the 'nat­u­ral' muz. I already had the Metric, american, and AC seals in my cabinet and figured I'd see if those work before I ordered a seal kit. Custom Shop. 37, but then I was informed by Beeman that there was also a minimum order charge of $50. Air Venturi. You always push towards the breech. Breech seal is 3mm c/s, 16mm od, 10mm id. I went looking for. T for him to work his magic I now consider this to be a vital upgrade to any rifle before even considering bipod silencer of case I know now any errors in my shot placement are down to me I sent him a. Check for signs of rust along the. Diana Airgun Breech Seal | Trade Me Diana Airgun Breech Seal for sale on Trade Me, New Zealand's #1 auction and classifieds website. 8mm outer diameter. 5mm gap between the seal and the ID of the breech. (The distinction is vitally important in the chemical processes where oil contamination must be avoided, but is unlikely to be a problem with pneumatic guns) These compressors are very large, heavy, and expensive and require enormous amounts of power, as compressing air is a very inefficient business. Also, Can I replace the worn out seal with a standard "O" ring (black) found in most hardware stores at a price of 39 cents or do I have to special order silicon rings from a gun supply house?. Buy and sell Air rifles on Trade Me. This gun is air-powered and can shoot almost 200 feet. I discuss the breech seal and demonstrate how to go about replacing the original style leather and brass seal. water seal chamber synonyms, water seal chamber pronunciation, water seal chamber translation, English dictionary definition of water seal chamber. Find the seal. Define water seal chamber. rifle, and an early BSA stocked air rifle with lever action. CNC Machined From Quality Materials. Crosman Pc77 1322 1377 2289 Seal Kit - Valve Stem Pump Cup Transfer Port Bolt. My RWS-34 is spec’d at 1000 FPS. No small parts included. While it's refreshing to see such information included with an air rifle, the Black Ops (or is it "Ignite"?) manual advises that breech seals can leak and that they should then be replaced. What makes that break-barrel air rifle tick, anyway? Performing your own basic airgun service can bring reward in the form of improved shooting behavior and increased familiarity with your gun. Understand how an air rifle works before attempting any home repairs. The kit includes a F1 Powr-Lok spring with a PTFE top hat piston guard and polished spring guide, Powr-Pulse piston seal, pre-compression washers for power adjustment if required, Moly gun grease and Moly gun oil. Third time I went to shoot it at around 100 pellets thru the gun it started leaking C02 badly. Two(2) Crosman USA Air Gun Steel Breech Parts for 1377. A rifled steel barrel shoots a. Air Venturi. a new multi-shot breech is now listed for the xs/qb 78' 79' listed here. BSA BREECH SEAL METEOR MERCURY LIGHTNING SUPERSPORT MAGNUM BSA Interceptor. If you are in the USA, See the link. Find the seal. CHINA CHINESE BREECH SEAL AIR RIFLE GUN BAM XISICO RUGER SMK INDUSTRY BAND. 22 0 results. By Frank Fry, American Gunsmith Library, Gunsmithing the Rifle. Any ideas here would be greatly appreciated. This is important to secure an airtight seal. Crosman is proud to introduce to the world the latest and greatest in competition airguns; the all new Challenger PCP. Welcome, Guest. Basic operation of the rifle is very simple. It's the breech seal, not the piston seal. Third time I went to shoot it at around 100 pellets thru the gun it started leaking C02 badly. How to change an air rifle breech seal or breech washer on any air rifle or air gun that uses a replaceable breech seal, this may be necessary if your air gun or air rifle is losing power, or has. To size the seal I used a file & some wet & dry paper then tapped the seal in place. The barrel attaches to the breech block. NOTE: These O rings are very easy to replace - just pick out the old O ring and push in the new. welcome to gmac custom parts ltd breaking news. Build your own airgun and engrave it. 5MM PCP air rifle with smooth cocking bolt handle & magazine fitted onto its breech. Media Resources. 13mm Breech Seal for Hatsan Air Gun Rifles | Angaben zum Verkäufer. Reviewer: Bernard Farley. The gun should remain on safe until the pistol (or rifle) is on target and you are ready to shoot. Re: breech seals. Air Venturi Breech Seal, Fits Beeman R-Series, Select Marksman and HW Air Rifles. Air is leaking from the tank. com sell this kit. Facebook Instagram YouTube Email. Although, that is good info for the future. KoviBazaar India is an online portal offering premium quality air guns for target practice.