Muzzle Devices

Pre-Fit Muzzle Devices
- Our selection of Pre-Fit muzzle brakes and compensators includes indexing shims, jam nuts, and threading services. We also offer a line of custom installed muzzle breaks under a separate category (below)...

Custom Installed Muzzle Brakes
- For Custom Installed MUzzle Brakes, please Click Here.

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  • 127-4224 Thread Protector fits Large Caliber 11/16 x 24 Blued (Black)
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    E. Arthur Brown Company

    Thread Protector Large Caliber 11/16 x 24 Blued .820" Diameter

    $14.99
    Thread Protector fits Large Caliber 11/16 x 24 Blued (Black) Beautiful knurled blued thread protector in 11/16x24 thread with length of .625" and outside diameter of .820" Compatible with new TC ProHunter large caliber barrels (over 30 cal) like the 360...
    127-4224
    $14.99
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  • 127-4223 Thread Protector fits Large Caliber 11/16 x 24 Stainless 
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    E. Arthur Brown Company

    Thread Protector Large Caliber 11/16 x 24 Stainless .820" Diameter

    $14.99
    Thread Protector fits Large Caliber 11/16 x 24 Stainless  Beautiful knurled stainless thread protector in 11/16x24 thread with length of .625" and outside diameter of .820" Compatible with new TC ProHunter large caliber barrels (over 30 cal)  
    127-4223
    $14.99
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  • Jam Nut for Compensators, 1/2x28, Black, .750 Dia
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    JP Rifles

    Jam Nut for Compensator, 1/2x28, Black .750

    $12.95
    Jam Nut for Compensators, 1/2x28, Black, .750 DiamJam nut allows locking of correct up and down index for compensators and muzzle brakes. Specifications: 1/2x28 TPI .750 OD E. Arthur Brown Company, Inc4088 County Road 40 NW, Garfield, MN 56332
    135-JPJN-12B-750
    $12.95
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  • AccuWasher Gen 2 Muzzle Device Alignment
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    Precision Armament

    AccuWasher Gen 2 Muzzle Device Alignment Shims

    $24.99 - $32.99
    AccuWasher Gen 2 Muzzle Device Alignment The AccuWasher® Gen 2 Muzzle Device Alignment System is the ultimate solution for precise and repeatable muzzle device alignment. Unlike traditional crush washers, this mono-shim system is precision...
    125-A005W
    $24.99 - $32.99
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  • 1/2X28 Thread Protector, .820 Diameter
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    E. Arthur Brown Company

    CZ-457 Thread Protector 1/2x28, .860 Dia. Stainless

    $12.95
    Thread Protector, 1/2x28, .860 Dia., Stainless, Knurled A stainless knurled thread protector to protect and beautify the threaded muzzle of your barrel. Recessed threads on the back side assure a tight and seamless fit. Beautifully knurled for handy...
    127-4316
    $12.95
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  • Out of stock
    Accu-Washer® Muzzle Device Alignment System

    Precision Armament

    Accu-Washer® Muzzle Device Alignment System

    $24.99
    Accu-Washer® Muzzle Device Alignment System  Simply choose the correct size Accu-Washer® shim to accurately index your muzzle brake or flash suppressor while maintaining perfect bore alignment. Since only one shim is required, the tolerance...
    125-A02100
    $24.99
    Out of stock
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    $24.99
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  • Muzzle Thread Adapter 9/16-24 to 5/8-24
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    Precision Armament

    Muzzle Thread Adapter 9/16-24 to 5/8-24

    $27.95 - $29.95
    Muzzle Thread Adapter 9/16-24 to 5/8-24 This adapter converts your 9/16-24 threaded muzzle to fit 5/8-24 threads. This allows you to use 5/8-24 muzzle devices on your 9/16-24 threaded muzzle. - CAUTION - Be sure that the bore of your muzzle device is...
    125-A02000
    $27.95 - $29.95
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  • 1/2X28 Thread Protector, .820 Diameter
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    E. Arthur Brown Company

    CZ-457 Thread Protector 1/2x28, .820 Dia. Stainless

    $12.95
    Thread Protector, 1/2x28, .820 Dia., Stainless, Knurled A stainless knurled thread protector to protect and beautify the threaded muzzle of your barrel. Recessed threads on the back side assure a tight and seamless fit. Beautifully knurled for handy...
    127-4070
    $12.95
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  • JP Large Profile Compensator .925 Dia 5/8x24 Stainless
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    JP Rifles

    JP Large Profile Compensator .925 Dia 5/8x24 Stainless

    $109.95
    $104.45
    JP Large Profile Series AR10 CompensatorDo-It-Yourself Installation, Replaces 5/8x24 Flash Suppressor- Developed and evolved from YEARs of competitive shooting, the JP Large Profile Series Compensator has reached an optimum level of effectiveness...
    135-JPTRE5.58S.925
    $109.95
    $104.45
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    $104.45
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  • JP Competition Jam Nut for Compensator
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    JP Rifles

    Jam Nut for Compensator, 5/8x24, .925 OD Stainless

    $12.95
    JP Competition Jam Nut for CompensatorDo-It-Yourself Installation, Threaded 5/8x24, .925 Diameter, Stainless .925" OD 5/8x24 TPI E. Arthur Brown Company, Inc 4088 County Road 40 NW, Garfield, MN 56332
    135-JPJN-58S-925
    $12.95
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  • Thread Protector fits Heavy Profile AR-10 5/8X24 Stainless
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    E. Arthur Brown Company

    Thread Protector AR-10 Heavy Profile 5/8X24 Stainless

    $14.95
    Thread Protector AR-10 Heavy Profile 5/8X24 Stainless- Protect and beautify your Heavy Profile AR-10 muzzle threads with this beautiful knurled stainless thread protector. Standard 5/8X24 thread with a length of .625 inch and .930" diameter, it fits...
    127-3138
    $14.95
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  • Thread Protector AR15 Pencil Contour 1/2 x 28 Stainless
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    E. Arthur Brown Company

    Thread Protector AR15 Pencil Contour 1/2 x 28 Stainless

    $14.95
    Thread Protector fits AR15 Pencil Contour 1/2 x 28 Stainless - Protect and beautify your Pencil Barrel muzzle threads with this beautiful knurled stainless thread protector. Standard 1/2 x 28 thread with a length of 5/8th inch and .625" diameter.
    127-3129
    $14.95
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  • KAK Compensator 9/16-24 fits 40 Cal
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    E. Arthur Brown Company

    KAK Compensator 9/16-24 fits 40 Cal and Some 350 Legend

    $24.95
    $21.95
    KAK Compensator Kit9/16x24 fits 40 Cal- Includes Crush Washer- Often, 350 Legend Barrels are threaded 9/16x24 to avoid mounting a 22 or 30 caliber brake. The exit hole has to allow clearance for the .357 caliber 350 Legend bullet. The easy answer for...
    127-KAK350KIT
    $24.95
    $21.95
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    $21.95
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  • Jam Nut for Compensators, 1/2x28, Black, .750 Dia
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    JP Rifles

    Jam Nut for Compensator, 1/2x28, Stnls .750

    $12.95
    Jam Nut for Compensators, 1/2x28, Stnls, .750 DiamJam nut allows locking of correct up and down index for compensators and muzzle brakes. Specifications: 1/2x28 TPI .750 OD E. Arthur Brown Company, Inc4088 County Road 40 NW, Garfield, MN 56332
    135-JPJN-12s-750
    $12.95
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  • EABCO Magnum Slimline Brake fits Pre-Threaded .308 Barrels  - Order Jam Nut Separately
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    E. Arthur Brown Company

    EABCO Magnum Slimline Brake fits Pre-Threaded .308 Barrels - Uninstalled

    $59.95
    Magnum Slimline .308 Muzzle Brake Blue - Uninstalled Fits Pre-Threaded .308 Barrels with 5/8-24 Thread Fits 308 Win, 7.62 NATO or Smaller Reduces Felt Recoil Approximately 42-45% Expansion Chamber Pressurizes Exit Gases - Enhances Muzzle Stability Ports...
    127-SL308
    $59.95
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  • Magnum Slimline Muzzle Brake w/Optional Jam Nut Installation - Order Jam Nut Separately
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    E. Arthur Brown Company

    EABCO Magnum Slimline Brake fits Pre-Threaded .223 Barrels - Uninstalled

    $59.95
    Magnum Slimline .223 Muzzle Brake Blue - Uninstalled Fits Pre-Threaded .223 Barrels with 1/2-28 Thread Fits 223 Rem, 5.56 NATO or Smaller Reduces Felt Recoil Approximately 42-45% Expansion Chamber Pressurizes Exit Gases - Enhances Muzzle Stability Ports...
    127-SL223
    $59.95
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  • AR15 BULL Barrel Thread Protector
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    E. Arthur Brown Company

    Thread Protector fits AR15 BULL Contour 1/2 x 28 Stainless

    $14.95
    Thread Protector fits AR15 BULL Contour 1/2 x 28 Stainless- Protect and beautify your BULL Barrel muzzle threads with this beautiful knurled stainless thread protector. Standard 1/2 x 28 thread with a length of 5/8th inch and .930" diameter, it fits...
    127-3136
    $14.95
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  • On Sale
    Stainless Jam Nut
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    E. Arthur Brown Company

    Jam Nut for Compensator, 5/8x24, Stainless .750

    $12.95
    $10.95
    $12.95
    Jam Nut for Compensators, 5/8x24, Stainless, .750 Dia. Specifications: 5/8x24 TPI .750OD E. Arthur Brown Company, Inc 4088 County Road 40 NW, Garfield, MN 56332
    135-JPJN-58S-750
    $12.95
    $10.95
    $12.95
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    $12.95
    $10.95
    $12.95
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  • AR308 HBAR Thread Protector fits 5/8 x 24
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    E. Arthur Brown Company

    Thread Protector fits AR308 HBAR Contour 5/8 x 24 Stainless

    $14.95
    $12.95
    Thread Protector fits AR308 HBAR Contour 5/8 x 24 Stainless- Protect and beautify your HBAR muzzle threads with this beautiful knurled stainless thread protector. Standard 5/8 x 24 thread with a length of 5/8th inch and .740" diameter, it fits all EABCO...
    127-1006
    $14.95
    $12.95
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    $14.95
    $12.95
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  • AR15 HBAR Thread Protector
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    E. Arthur Brown Company

    Thread Protector fits AR15 HBAR Contour 1/2 x 28 Stainless

    $14.95
    $12.95
    Thread Protector fits AR15 HBAR Contour 1/2 x 28 Stainless- Protect and beautify your HBAR muzzle threads with this beautiful knurled stainless thread protector. Standard 1/2 x 28 thread with a length of 5/8th inch and .740" diameter, it fits all EABCO...
    127-1005
    $14.95
    $12.95
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    $14.95
    $12.95
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