Brownells BRN AR-15 Bolt Extractor Spring Insert

The Brownells BRN AR-15 Bolt Extractor Spring Insert is a replacement internal component designed to increase tension on the bolt extractor spring in AR-15 platforms. This small but critical insert helps ensure reliable case extraction by maintaining consistent extractor pressure. Compatible with standard AR-15 bolt carrier groups. A straightforward, cost-effective upgrade or replacement part for maintaining extraction reliability.