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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Mission First Tactical BMSMIL Battlelink Minimalist Stock Collapsible Black Synthetic for AR-15, M16, M4 with Mil-Spec Tube (Tube Not Included)
$49.99
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