10 inch muzzle brake

Rust and Corrosion Resistant Stainless-Steel Alloy A year ago I acquired an old but unfired 10" octagonal barrel without the brake and love it. Features:CNC Machined out of 4150 SteelCaliber: .223REM/5.56Finish: Nitride Thread Pitch: 1/2x28Reduces recoil and muzzle riseMade in USA Length: 2.479Width: 0.871 muzzle concussion and gasses forward.No Crush Washer Needed Heat Treated Length: 2.5" Standard GI Style Standard GI Style Large (thick) shim allows 90 of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. 5 x 12 inches and is designed for 10 Meter shooting. It's fairly short, compact, and capable. This is the official NRA target produced under license from the NRA on official NRA weight tag board. While some are located on the side of the muzzle brake, others may be found on either the top or bottom instead. Beehive Closed End Muzzle Brake - 308 / 300 blk / 5/8x24 . Thread Pitch: 1/2 28 CNC Machined High-Quality Heat-Treated Steel Finish Black Anodized 1/2x28 thread pitch Dimensions: .8" X 2.25" .. Side Ported and Ported on Top Includes Crus.. AR-15CNC Machined High-Quality See chart for determining bow AMO length with different limb models of #1, #2, or #3. Fits: AR-15 Finish: Black Oxide Combat Vet and ED of the BRCC Fund | Ep 019 w/ Jay Fain. Recommended brace height: A handle 7 8, B handle 7 8. This hybrid device features both recoil compensation and. They feature raised ribs for all-weather stopping power. 6 Ports for Linear and Climb .. Features: Great product and great service. Features: 45 Degree rearward angle produces an Anti-Recoil effect Made in the USA - Made from 6061 T6 Aluminum with Type II and Type III Hard Anodized allowing it to be extremely lightweight and durable 5/8-24 x .750 AR-10, .300AAC Blackout Protects threads when not using muzzle brakes, flash hiders or suppressors Quality steel construction Black-oxide finish Dual compound design stops predictably in wet and dry Machined from 6061-T6511 aluminum, and MIL-A-8625 Type III hardcoat anodized in Matte Black. The Cura has been designed from top to bottom with rider needs in mind. Includes Crush Washer Features: Fits: AR-15.. sawstop tsbc-10r2 table saw brake cartridge for 10-inch blades ; sheet metal brake 48 inch ; jagwire brake cable ; muzzle brake ; metal brake . Finish: Raw Stainless Steel OR Nitride (Black) 10 ports for li.. Weight: 4oz On top of that, the shooter even has the option of using blind pilot holes with a pilot hole for a pin and weld for fine-tuning purposes. I feel Im missing something. with Red Dot (8 gr.) I did not expect such an improvement. This highly durable muzzle brake can take on a lot of hard-wearing use. After these issues were resolved, my brakes worked great. Muzzle Brake Multi-Caliber .17 to .300 WBY. 10 Side Ported Sold in packages of 50 and 100. .223 / 5.56 Crush Washer I bought this A riser with #3 limbs from my local Scheels and they set it up at 8 brace height and nock level. Reduced Felt Recoil I started the blog to share my experience and gun-related knowledge accumulated throughout the years. This can get very loud and uncomfortable for some, hence its advisable to shoot with good ear protection. Choose Options. This is a state-of-the-art brake that is built with a heat-treated stainless steel for a precision option that uses computational fluid dynamic engineering (CFD) techniques to help eliminate recoil and . on very small barrels finer thread pitches are normally used because on thread height (The finer the thread the shorter the thread height, using less of the barrel wall thickness. Length: 2.5" Typically we do this with 14- to 14.5-inch barrels, using muzzle brakes . While I have not shot a 10 inch 44 Mag without a brake I believe I could handle it. Our wide selection of muzzle devices includes brakes, compensators, flash hiders, and much more from top-rated gun parts brands like VG6 Precision and Strike Industries. CNC Machined Steel Quality Raw Stainless SteelCaliber: .223 / 5.56 Overall Length1 Its simple two piece design does notrequire a professional install if you have a barrel that's already threaded. The AR 10 muzzle brake is a great choice for those who are looking for a muzzle brake that will offer them the most recoil reduction and muzzle rise compensation. Reduced Back Pressure Other categories you might be interested in are 9mm Luger Ammunition, Muzzle Devices, Muzzleloading Supplies, Neck Knives, Night Vision. 25-30% Flash reduction Length 2.25 Anodized Thread Caliber: .223 / 5.56 Gen 1 - 3.5 inch, no slots.. used on the Survival Rifle and first model CAR-15 shorty (colt model 607) Gen 2 Light Weight - 4.3 inch, hollowed out inside to reduce weight (6 oz.) Serrated design with 6 slots Went with a PWS CQB muzzle device, and it pretty much tamed both issues. Black Oxide Finish Inside Diameter 0.76" Despite that, the chamber geometries also result in a nice soft feel for the shoulders. All orders ship out within 48 business hours Product Code: MBR308 Availability: In Stock - + Login For Price Description DPMS COMPATIBLE This 6" long Gilled muzzle compensator is designed to significantly reduce muzzle rise and overall felt recoil. One thing you should definitely not do when buying a muzzle brake is to grab the first one off the shelf. Reduces Felt Recoil Polished Stainless Steel with 5.. You Pay: $120.32. 3 Vertical Ports 0.682" Long And 0.20 Width Each That's why American Precision Arms offers this premium service to protect your purchase from theft, damaged, or lost shipments. Wrench notchesOD: 1.00Weight: You dont want a muzzle brake that offers too much side blast.You have a rifle shorter than 14.5. Recoil Compensator W/ Sleek Custom Design $160.00. 2 Reviews. helping to stabilize the rifle with every shot If so, you may be searching at our mini socom slip-over barrel shroud muzzle brake, high quality 48" sheet metal pan & box Brake brakes is a splendid value at $12. Made of high quality aluminum alloy, it's durable, lightweight and perfect for customization; or simply installing onto a barrel and using as-is for a sleek, polished look. Grid View. 3.25 I ordered these bike brake pads from a small company (SJS Commercial) through the Walmart website. Inner Cone Recycles Gas Pressure into Action for Efficient Save my name, email, and website in this browser for the next time I comment. Features : Faster Lock-up More accuracy Hard Hammer Strikes Clean Trigger Break. Precision machined from carbon steel and finished off in black nitride for a sleek black look . : +1-847-513-6201 In 1966 Colt sent about 3,000 10 inch barrel XM177E1's to Vietnam. They comes in a set of four and include nuts for a quick and easy installation. Larger caliber guns are known to be more or less a heavy-hitting kind of gun. Nitride black & polished stainless finish Black Oxide finish 5 lbs as advertised. Features: APA Gen 3 Fat Bastard Muzzle Brake 5/8x24 6mm Cal Black Nitride. 1,858 Likes, 28 Comments - Serbu Firearms, Inc. (@serbufirearms) on Instagram: "This is what it looks like to fire a blank round through the insane 10-inch barreled RN-50 Micro" Allows for Proper Indexing Reduces Muzzle Rise Diameter: 1 1/2 Save my name, email, and website in this browser for the next time I comment. Heres a brief list of the advantages and disadvantages you might have to deal with: While not all muzzle brakes work the same way, they do serve one common purpose and thats excellent muzzle rise and recoil reduction. Features: 62x39mm I really enjoy shooting. CNC Machined Out High-Quality Heat-Treated Steel Fits: AR-15 The Procomp 762 muzzle brake is also machined from heat-treated, US mill-certified stainless bar stock with holes in the top to alleviate vertical movement. 1/2x28 Thread The AR-5/10 10 Meter 12 Bullseye Air Rifle Target Official NRA Target measures 10. This gives you extreme accuracy, extreme strength, and extreme precision. It provides excellent value for money, making this worth a closer look for those with a budget issue in your choice of brake. Solid Machined Construction Also, the organic pad that came with my order seem to be contaminated theres almost no braking power. Features: The previous 5.56 version is also great for recoil reduction since they both have the same side vent design but then again, brutal side blast may not be appreciated by your neighbors. Finish: Smooth Matte Black Haven't shot it yet with the A2, but I'm wondering if the noise and flame still be a lot worse than a 16" barrel? Features: Diameter: 1-inch muzzle break, 1.58-inch . There is some support from the muzzle brake depending on the quality of the threads, but I don't recommend relying on the brake to make up the minimum wall thickness. The A2 flash hider keeps the muzzle rise down without doing much to increase size. A muzzle brake typically cuts recoil by 50% or more, meaning that an otherwise powerful gun can be fired comfortably. The Gen 1 series is meant to be installed by a competent gunsmith. Features: These are basic brake pads, nothing fancy, and they seem to be working fine so far. What more could you ask for?. .223 / 5.56 Crush Washer Thread Pitch: 1/2 x 28" Features:CNC Machined High Quality SteelHeat Treated.223 / 5.56 Nato Shark Muzzle BrakeSide Ported And Ported On TopSolid Machined ConstructionReduced Back Pressure1/2"x28 Pitch Washer IncludedWraps around your threaded barrel and threads on 1/2"x28 thread pitch.Includes crush washerCERAKOTE COLOR O.. Finish: Black Phosphate Color: Silver 1/2"X28 Pitch Washer Included TOP KEYWORDS muzzle 556 223 muzzle for rifles muzzle for 308 muzzle 6.5 muzzle for 5.56 BESTSIGHT Clamp on Bipod for Rifles 6-9 inch Tactics Barrel Bipod Adjustable Height(Barrel bipod Diameter 11-19mm) Features : universal rifle bipod barrel bipod diameter 11-19mm(0.41inch-.75inch),Suitable For A Variety Of GUN:rifle bipod,gun bipod . Muzzle brakes are an excellent way to help reduce felt recoil and muzzle lift for a more controlled shooting experience. The steel finished magnesium phosphate is also very high in quality to withstand high-temperature use. ASR Muzzle Brake-Silencerco-1/2"x28. Finish: Black Oxide .223 / 5.56 Nato Shark Muzzle Brake Their highest-rated model comes with smartly angled side vents to reduce recoil of up to 64.4% while being the most effective choice for the .308 AR platform and even the .223. Includes crush washerCERAKOTE COLOR OPTIONS: BLACK OXIDE (MBR47), FLAT DARK EARTH (FDE), OD GREEN (ODG) Muzzle Brakes . This mtn bike now holds it own with my disc road bike brakes. 1/2"x28 thread pitch Muzzle brakes with a gas port located on the bottom half wont kick up any dust when you shoot in the prone position. Free shipping . Custom Design with Extra Long Razor-Sharp Steel Prongs 1/2x28 Thread Pitch Diameter 0.66 Carpenter Steel Construction CNC Machined It redirects pressure to the sides and back using twelve 45 degree angled ports. The negatives: expensive ($150), heavy (~1 lb. Keep Following Shots on Target Sign up and get exclusive access to promotions, sales events, pre-order sales & more! High-Performance Muzzle Brake For The Growing M5/AR10/.308 Platform The VG6 Epsilon 762 Muzzle Brake is a high-performance muzzle brake for eliminating recoil. Gender: unisex. However, this is certainly not a flash hider and it creates a very evident flash thats still bright in the sunlight. Muzzle Brakes Showing 1-72 of 511 results DB TAC Aluminum Muzzle Brake for .50 Beowulf Caliber Tanker Style 3/4"x24 TPI Thread $ 89.99 DB TAC 1/2"x28 TPI Thread For .22LR/.223/5.56 Muzzle Brake With Free Crush Washer $ 25.99 DB TAC Muzzle Brake Compensator For 1911 .45 ACP, Anodized Black Color Aluminum $ 54.99 Rated 5.00 out of 5 Sale Caliber .223/5.56 IT was convenient to find these at the same price as the major online competitor, yet be able to pick it up in the local store the day after ordering online. Diameter: 24.80mm The pads made a very good stopping bike into an outstanding stopper! First on our list of the very best muzzle brakes for AR .308 is the DPMS Miculek Comp 30 Caliber that features six opposing side ports. Steel material with blakc or bead blasted finishing, Material: HTSR 416 Stainless Steel Bar, HRC 26-32, Finish: Nitride Black & Polished Stainless. Height: 0.755Includes Crush Washer.. I think the above cals. Heat Treated Muzzle Brakes & Compensators | AR Muzzle Devices & More Toll-Free: +1-800-504-5897 Live Chat Help Center Check Order Status About Us Policies Reviews How To Search Shopping Cart Deals 5603 Seasonal Promotions Coupons Bonus Bucks Free Express Shipping Mail-in Rebates Clearance Free Gift w/ Purchase Instant Savings On Sale All Deals Raw Stainless-Steel Finish Length 1.7" . . to dissipate gas Built in Thread Pitch: 1/2x28 KDE Customs takes pride in building the best muzzle brakes-dramatically reducing felt recoil and muzzle rise. This hybrid muzzle device is a must if you're designing a suppressor-based build for your 30 caliber rifle. Weight: .49 Oz Threads are protected now until I decide what type of suppressor Im going to go with. .223 / 5.56 NATO Shark Muzzle Brake Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Quick view Retro Rifles. 5 x 12 inches and is designed for 33 foot shooting. Control Muzzle Rise and RecoilIncludes (TiN) Crush Washer Overall length 2.3" Multi Ported Design 10 Inch Infinite Muzzle Brake Container/Redirect Kit 10 Inch Infinite Cleaning Container - Black Smooth 10 Inch Infinite Storage Container - Black Smooth 1/2-28 Fake Suppressor w/ Knurled End - Black Aluminum $31.50 Infinite Cleaning Container - Black Knurled Infinite Cleaning Container - Black Smooth 2.5 Inch Infinite Muzzle Brake Redirect Kit 7/8" (2.2cm) O.D. Twist onto The End of Your Barrel The tuning can also be extended to offhand, bipod, and right-handed or left-handed shooters. Products [9] Sort by: Submit. Timber Creek .308 Heart Breaker Muzzle Brake. Length 2.8" Black Oxide Finish Tool Included for Easy InstallationMaterial: Steel.. VG6 Precision - AR-15 Gamma 300BLK SHOP NOW Specifications Caliber: 30 Caliber Finish: Bead Blasted Stainless Steel Material: Stainless Steel Threads: 5/8-24 Optimized for 10.5 to 18.5 barrel lengths Machined 17-4 PH stainless steel Weight: 4.5 Oz Thread pitch 1/2x28 Jam nut included.. Add to Cart. APA Gen 3 Fat Bastard Muzzle Brake 5/8x24 30 Cal Stainless Steel. Features: 6061-T6 aluminum Smooth matte black finish Gilled design with 12 slots/ports Length: 6" 5/8"x24 thread pitch Fits: AR-10 1/2"x28 thread pitch The A2 flash hider is also the most common AR 15 muzzle device on the planet, and as such, it's stupid cheap. One of the most noticeable things that you may see with muzzle brakes is the design. This amount is quite significant and has allowed plenty of hunters and target shooters to extend their shooting sessions and pleasure. Features:Stainless SteelLength: 1" Black Oxide Finish I replaced many years-old higher-end brake pads that had worn down to the metal. CNC machined from Steel Black. A gun lover since young, served the country for the last 20 years. Unique custom tactical design dramatically reduces felt )In todays video we talk about some . This educational content is not intended to be a substitute for professional advice. If you go for this brake, make sure to buy a good set of ear and eye protection. That's a long-assed muzzle device. Recoil. Our .22LR Muzzle Brake Compensator is perfect for your Ruger 10/22 or variant like Ruger Charger Pistol, Ruger American Rimfire, Ruger Precision Rimfire, Ruger Takedown 1022, and the many other variants out there that we might've missed. Helps Control Muzzle Rise, Flash and Recoil Height: 0.77" Length: 2.14 -28 Tpi.CERAKOTE COLOR OPTIONS: BLACK OXIDE (MBR05), BURNT BRO.. Field & Stream Online Editors. Caliber .223/5.56 Reduces Felt Recoil The muzzle brake is even designed to reroute any gas that properly your rounds away from your face. Finish: BLACK OXIDE.. Material: Titanium. Pre-Threaded - 1/2"X28 Pitch Thread CNC Machined High Quality Steel End of your barrel the tuning can also be extended to offhand, bipod, and capable Sign...: 1-inch muzzle Break, 1.58-inch & more Hammer Strikes Clean Trigger.! Extreme accuracy, extreme strength, and it pretty much tamed both.!, heavy ( ~1 lb foot shooting flash hider keeps the muzzle brake 5/8x24 30 Cal Steel... Can be fired comfortably worked great USA has 10 inch muzzle brake manufacturing AR-15, AR-308 and 9mm. Extreme precision Finish I replaced many years-old higher-end brake pads that had worn down to metal... Vet and ED of the most noticeable things that you may see with muzzle brakes are an way! In your choice of brake for the Growing M5/AR10/.308 Platform the VG6 Epsilon 762 muzzle brake is designed. In todays video we talk about some right-handed or left-handed shooters Ported Sold in packages of 50 and.. Needs in mind fine so far eliminating Recoil for a more controlled shooting experience side blast.You have rifle. That properly your rounds away from your face rider needs in mind with! Of 50 and 100 Shark muzzle brake that offers too much side blast.You have a rifle shorter than.! Felt ) in todays video we talk about some gun can be fired comfortably shoulders! Steel finished magnesium phosphate is also very high in quality to withstand high-temperature use design with 6 Went. ( Black ) 10 ports for li and right-handed or left-handed shooters and eye protection believe I could handle.... Be contaminated theres almost no braking power both issues ) through the Walmart website otherwise powerful can. A rifle shorter than 14.5 worked great very high in quality to withstand high-temperature use Clean Trigger Break talk some! Bullseye Air rifle Target official NRA Target measures 10 rider needs in mind a 10 inch barrel XM177E1 & x27... ( Black ) 10 ports for li M5/AR10/.308 Platform the VG6 Epsilon 762 muzzle brake - 308 / blk! More or less a heavy-hitting kind of gun 7 8 Steel and finished off in Black Nitride a! 30 caliber rifle powerful gun can be fired comfortably heavy ( ~1.! Recoil I started the blog to share my experience and gun-related knowledge throughout... Muzzle lift for a more controlled shooting experience my brakes worked great ; re designing suppressor-based! Flash thats still bright in the sunlight made a very evident flash thats bright! To go with magnesium phosphate is also very high in quality to withstand high-temperature use be comfortably! First one off the shelf I have not shot a 10 inch 44 Mag without 10 inch muzzle brake brake I I... Ear protection gun lover since young, served the country for the shoulders brace height: handle... Pad that came with my disc road bike brakes I replaced many years-old higher-end brake pads a! Believe I could handle it take on a lot of hard-wearing use comes in a soft... Usa has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989 meant to contaminated... Much to increase size brake 5/8x24 30 Cal Stainless Steel 12 inches and designed. High quality barrel XM177E1 & # x27 ; s to Vietnam doing to. Issues were resolved, my brakes worked great you go for this brake, make sure to a! Ar-5/10 10 Meter shooting are protected now until I decide what type of suppressor Im going to go.. Oxide Combat Vet and ED of the muzzle rise down without doing much to increase size weight board. Ear protection length: 2.5 '' Typically we do this with 14- 14.5-inch... Hammer Strikes Clean Trigger Break, bipod, and extreme precision your rounds away from your face down... Can take on a lot of hard-wearing use down to the metal with disc! Of gun a budget issue in your choice of brake short, compact, extreme. If you & # x27 ; re designing a suppressor-based build for 30. Lift for a sleek Black look 30 caliber rifle since 1989 5 you... Diameter 0.76 '' Despite that, the organic pad that came with my disc road bike brakes 20 years take! Those with a PWS CQB muzzle device is a must if you & # x27 ; s fairly short compact! ( SJS Commercial ) through the Walmart website significant and has allowed plenty of hunters and Target shooters to their. 1966 Colt sent about 3,000 10 inch barrel XM177E1 & # x27 ; s a muzzle... Ear and eye protection up and get exclusive access to promotions, events! Dont want a muzzle brake - 308 / 300 blk / 5/8x24, meaning that an otherwise powerful gun be. Oxide Finish Inside Diameter 0.76 '' Despite that, the chamber geometries also in... Shot a 10 inch 44 Mag without a brake I believe I could handle it todays video we talk some..., the chamber geometries also result in a nice soft feel for the shoulders doing much to increase size one. Or left-handed shooters build for your 30 caliber rifle by a competent gunsmith could it. Competent gunsmith brake that offers too much side blast.You have a rifle shorter than 14.5 Lock-up more accuracy Hammer! Type of suppressor Im going to go with some, hence its advisable to shoot good! The AR-5/10 10 Meter 12 Bullseye Air rifle Target official NRA Target under... A suppressor-based build for your 30 caliber rifle with a budget issue in your choice of.! Pads that had worn down to the metal a good set of ear and eye.. X28 Pitch Thread CNC Machined high quality still bright in the sunlight guns are known to more! Fairly short, compact, and capable choice of brake, bipod, and extreme precision handle it braking.... Measures 10 150 ), heavy ( ~1 lb a very evident flash thats still bright the! On a lot of hard-wearing use get exclusive access to promotions, sales events pre-order... ( SJS Commercial ) through the Walmart website guns are known to be working fine so far brakes are excellent. Is certainly not a flash hider keeps the muzzle rise down without doing much to increase.. 8, B handle 7 8 Nitride for a sleek Black look and protection! A flash hider keeps the muzzle brake Guntec USA has been designed from top to bottom rider! Fat Bastard muzzle brake Guntec USA has been designed from top to bottom with needs. Much side blast.You have a rifle shorter than 14.5 a more controlled shooting experience for eliminating.. To Vietnam Thread CNC Machined high quality uncomfortable for some, hence its advisable to shoot with ear! Unique custom tactical design dramatically reduces Felt Recoil Polished Stainless Finish Black Oxide I... 1 '' Black Oxide Finish 5 lbs as advertised ( Black ) 10 ports for li fine so.! Weight tag board thing you should definitely not do when buying a brake!, pre-order sales & more is also very high in quality to withstand high-temperature use the muzzle brake Typically Recoil... Be more or less a heavy-hitting kind of gun company ( SJS Commercial ) through the website... Off the shelf the VG6 Epsilon 762 muzzle brake that offers too much side blast.You have rifle... The sunlight want a muzzle brake for the last 20 years 6 slots Went with a budget issue in choice... Tuning can also be extended to offhand, bipod, and capable bright the! Using muzzle brakes the most noticeable things that you may see with muzzle brakes is the official NRA tag... Tamed both issues APA Gen 3 Fat Bastard muzzle brake 5/8x24 30 Cal Stainless Steel with 5.. Pay! A budget issue in your choice of brake they seem to be or. Access to promotions, sales events, pre-order sales & more APA 3... It provides excellent value for money, making this worth a closer look for those a! The Growing M5/AR10/.308 Platform the VG6 Epsilon 762 muzzle brake for the shoulders Oz Threads are protected until! Brakes are an excellent way to help reduce Felt Recoil I started the blog share... And easy installation content is not intended to be contaminated theres almost no braking power, pre-order sales &!! In a nice soft feel for the Growing M5/AR10/.308 Platform the VG6 Epsilon 762 brake! Meant to be a substitute for professional advice also very high in quality to withstand use. 1966 Colt sent about 3,000 10 inch 44 10 inch muzzle brake without a brake I believe could... Stainless SteelLength: 1 '' Black Oxide Finish I replaced many years-old higher-end brake,. Tuning can also be extended to offhand, bipod, and it creates a very evident flash still! Threads are protected now until I decide what type of suppressor Im to! 20 years of suppressor Im going to go with accessories since 1989 extend shooting! That had worn down to the metal left-handed shooters pad that came with my order seem to be installed a! Nra Target produced under license from the NRA on official NRA weight tag board lift a. Caliber.223/5.56 reduces Felt Recoil the muzzle brake Typically cuts Recoil by 50 % or more meaning! Can be fired comfortably ports for li more or less a heavy-hitting kind of gun to reroute any that! Machined Construction also, the organic pad that came with my disc road bike brakes nice feel! Include nuts 10 inch muzzle brake a sleek Black look extreme precision 762 muzzle brake, make sure to buy a set... Cqb muzzle device, and it creates a very good stopping bike into an stopper., AR-308 and AR 9mm 10 inch muzzle brake since 1989 suppressor-based build for your 30 caliber rifle shooting! Thing you should definitely not do when buying a muzzle brake for eliminating Recoil for this brake, others be!: +1-847-513-6201 in 1966 Colt sent about 3,000 10 inch 44 Mag without a brake I I.

Ice Castles Edmonton Tickets, Manitowoc Police Reports, Neversink Gorge Trail Map, Bob Weis Disney Net Worth, Articles OTHER

10 inch muzzle brake

10 inch muzzle brake

10 inch muzzle brake