A 6.5 Grendel BCG (bolt carrier group) is a key component for AR-15 rifles chambered in 6.5 Grendel. It includes the bolt, carrier, gas key, firing pin, cam pin, and retaining pin, all designed to handle the specific case head and pressures of the 6.5 Grendel cartridge. The 6.5 Grendel BCG works with AR-15 upper receivers, 6.5 Grendel barrels, charging handles, and lower receivers, ensuring reliable cycling, chambering, extraction, and firing in 6.5 Grendel AR-platform builds.
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