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5.56 / .223 MUZZLE BRAKE / COMPENSATOR - STANDARD 1/2
5.56 / .223 MUZZLE BRAKE / COMPENSATOR - STANDARD 1/2"x28 THREAD
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CRUSH WASHER SIZED FOR AR-10 OR OTHER 7.62 / .308 - FITS OVER STANDARD 5/8
CRUSH WASHER SIZED FOR AR-10 OR OTHER 7.62 / .308 - FITS OVER STANDARD 5/8"x24 THREAD

CRUSH WASHER SIZED FOR AR-15 OR OTHER 5.56 / .223 / 9MM - FITS OVER STANDARD 1/2"x28 or 1/2"x36 THREAD

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Your Price: $2.95
Retail Price:$3.95
You Save:$1.00(25%)
Steel Crush Washer for neat fitting of muzzle brake / compensator to AR-15 or other 5.56 / .223 / .22 / 9mm rifles, carbines or pistols utilising standard 1/2"x28 or 1/2"x36 thread. CMARMBCW.
Part Number: CMARMBCW
Availability: In Stock.

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5+ $2.65

Steel Crush Washer for neat fitting of muzzle brake / compensator to AR-15 or other 5.56 / .223 / .22 / 9mm rifles, carbines or pistols utilising standard 1/2"x28 or 1/2"x36 thread (it's really only the diameter - 1/2", rather than the thread pitch that counts with a crush washer).

  • The same steel crush washer as included in CMARMB Muzzle Brake kit
  • Difficult to find in Canada at reasonable cost - until now!
  • This is 1x crush washer only
  • Black / Dark Grey

Model: CMARMBCW

Pic shows correct install orientation.

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STAINLESS CRUSH WASHER - FITS OVER STANDARD 1/2
STAINLESS CRUSH WASHER - FITS OVER STANDARD 1/2"x28 or 1/2"x36 THREAD
Stainless Steel Crush Washer for neat fitting of muzzle brake / compensator to AR-15 or other 5.56 / .223 / .22 / 9mm rifles, carbines or pistols utilising standard 1/2"x28 or 1/2"x36 thread. CMARMBCWSS.
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JAM NUT / LOCKNUT - STEEL - 1/2
JAM NUT / LOCKNUT - STEEL - 1/2"x28 THREAD
Colonel Mustard jam nuts / lock nut. Use as an alternative to a crush washer to lock your muzzle brake or flash hider in place. Screws onto standard AR-15/M4/M16 ½" x 28 threaded barrels. This thread is also commonly used on .22 LR, .22 Mag and .17 HMR rifles. CMMB75-1/2x28JN.
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