AR-15 .223 Shim Set Steel Unfinished
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specifications

Manufacturer:

Primary Weapons

Platform:

AR-15

    AR-15 .223 Shim Set Steel Unfinished

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None Primary Weapons None None None $4.99 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Hardened steel shims ensure precise fit and correct alignment of flash suppressors, muzzle brakes, and compensators. Large (thick) shim allows 90Adeg of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. Medium shims add approximately 45Adeg 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 A 1/2"-28 tpi.

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