The BCM Extractor Spring is a heavy coil design made for the increased extractor tension required on many AR15, M4, M16 short barreled rifles. This product also improves the reliability on a standard 16” and 14.5” carbines.
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Fierce Firearms 28418522 284 Cal 22″ 1:8.5 Twist 5/8″-24 tpi
$543.00
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