#html-body [data-pb-style=X14N1V8]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=SGWHBCH]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}RISE Armament advanced bolt-carrier group (BCG) manufactured with precision and individually inspected to ensure high-level performance.Features: High-strength and easy-to-clean black nitride finishIndividually MPI testedBolt - 9310 MPI testedCarrier - 8620 tool steel heat treated and case hardenedGas key - tool steel - grade 8 hardened fasteners and staked properlyCam pin - 4140 steelExtractor - tool steel - shot peened