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.
SPECIFICATIONS
- Qty 3 - BCM Extractor Spring (chrome silicon, heat treated & stress relieved, shot peened)
- Qty 3 - Crane Ind O-Ring (Mil-Spec)
- Qty 3 - Black Extractor Insert