BCM SOPMOD Bolt Upgrade/Rebuild Kit

The bolt assembly is the heart of your AR15 rifle system and preventative maintenance used by professionals ensures these systems keep running even under the harshest of conditions.

Kit Includes:

• Extractor made to USGI specs (shot peened)
• Extractor pin
• BCM Extractor Spring (chrome silicon, heat treated & stress relieved, shot peened)
• 3 USGI Gas Rings
• Crane Ind O-Ring (Mil-Spec)
• Black Extractor Insert