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The BCM® Extractor Spring is a heavy coil design made for the increased extractor tension required on many AR15, M4, and M16 short-barreled rifles. This product also improves the reliability of standard 16" and 14.5" carbines.
SKU: BCM-EXSPRING-1
For more information visit: https://bravocompanyusa.com/bcm-extractor-spring-upgrade-kit/
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