The Sprinco Usa Spring Kit (brand part no. 25042) bundles a standard-rate buffer spring with an enhanced 4-coil bolt extractor spring.

Key Specifications

• Standard-rate buffer spring.
• Enhanced 4-coil bolt extractor spring.
• Sold as a two-part kit addressing both springs in a single purchase.

Frequently Asked Questions

What does this kit include? A standard-rate buffer spring plus an enhanced 4-coil bolt extractor spring.

What does the extractor spring do? It adds tension behind the extractor claw for firmer case-rim contact.

Buy the Sprinco Standard Buffer & Enhanced 4-Coil Extractor Kit

Refresh buffer return and extraction tension on an AR-15 in a single order. Browse more of our rifle parts selection. Order the Sprinco Standard Buffer & Enhanced 4-Coil Extractor Kit from a Lubbock, TX gun shop; we’ll get it moving to you as soon as it is ready to ship.