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Primary Weapons Ar-15/M16/Ar-Style .308 Muzzle Device Alignment Shims

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Buy Primary Weapons Ar-15/M16/Ar-Style .308 Muzzle Device Alignment Shims

We found a great deal on the Primary Weapons Ar-15/M16/Ar-Style .308 Muzzle Device Alignment Shims for only $4.95 at Brownells.

Hardened steel shims ensure precise fit and correct alignment of flash suppressors, muzzle brakes, and compensators. Large (thick) shim allows 90deg of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. Medium shims add approximately 45deg of rotation. Small shims used with large and medium shims provide smaller degrees of rotation for finely-tuned, critical alignment. Mfg: Primary Weapons SPECS: Steel. Sold in 10 paks (1 small, 1 large, 8 medium). .223 – .748″ O.D. Fits muzzles threaded 1/2″-28 tpi. .308 – .837″ O.D. Fits muzzles threaded 5/8″-24 tpi.

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  1. tanek
    April 3rd, 2014 at 00:18 | #1
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