The Centurion Arms Hard Chrome SandCutter BCG is engineered for extreme reliability in dirty and sandy conditions. Its “sand rail” cut design clears debris from the carrier rail path, reducing the chance of malfunctions in grit-laden environments.
Each BCG ships with high-quality components: a hard-chrome carrier, chrome or phosphate gas key (depending on variant), firing pin, retaining pin, cam pin, and your choice of bolt — either the V2 dual-ejector chrome bolt or the E4 tapered chrome bolt. Both bolt options are backed by Centurion Arms’ lifetime guarantee.
Made in the USA, this BCG is a drop-in for standard AR-15 platforms or compatible “T-marked” extensions for E4 bolts. With a hard-chrome finish, it offers superior lubricity, corrosion resistance, and long-life function.

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