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.
Barrels & Accessories, Kroll Corp, On Gun & Other Accessories
BCM Extractor Spring Upgrade Kit – 3 Pack
Original price was: $11.99.$3.60Current price is: $3.60.
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