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Aero Precision 1/2×28 Delta 556 5.56 NATO Muzzle Brake – Black
Aero Precision VG6 Delta 556Muzzle Brake223 Rem/556NATOBlack1/2X28Features:Material: 17-4ph Heat Treated Stainless SteelFinish: BLACKNITRIDE – Satin Finish(Half Gloss)Surface Hardness: 68RCCaliber: 5.56mm/.223 Remington/.224 Valkyrie onlyThread: 1/2-28 RHWeight: 1.92 oz