Sig Sauer Taper Cap for 5.56 NATO barrels. Converts standard Sig Sauer tapered shoulder to 90-degree shoulder for uniform muzzle device and suppressor installation.
– Caliber: 5.56 NATO
– Thread: 1/2×28
– Material: 4140 steel
– Diameter: 0.27″
– Finish: Anodized black







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