Features:
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Complete M16 bolt carrier group
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Black Nitride finish for extreme lubricity and hardness
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Nitride finish provides for an extremely durable BCG
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Includes bolt, carrier, gas key, firing pin, cam pin and firing pin retaining pin
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Magnetic particle inspected
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Thoroughly endurance tested for thousands of rounds
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Bolt, carrier, gas key and cam pin are nitride
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Firing pin is standard, chrome plated
SPECS: M16 bolt carrier group. Fits AR15 or M16 rifles. Includes bolt, carrier, gas key, firing pin, cam pin and firing pin.