Sprinco AR-.308 Buffer Spring

The Sprinco USA AR-.308 Buffer Spring (Sprinco part no. 25004) is wound from chrome-silicon wire and built to the larger diameter and length used on AR-10 pattern .308 buffer tubes. It returns the heavier .308-pattern bolt carrier group to battery, and the chrome-silicon wire holds its rate longer than a standard music-wire spring under the added mass of a .308-size carrier.

Key Specifications

• chrome-silicon spring wire holds its rate longer than standard music-wire under a heavier .308-pattern carrier.
• sized for AR-10 pattern .308 buffer tubes the larger-diameter tube distinct from AR-15 buffer springs.

Frequently Asked Questions

What platform does this fit? It is built for AR-10 pattern .308 rifles, sized to their larger buffer tube.

Will this fit an AR-15 buffer tube? No, this spring is sized for the larger AR-10/.308 pattern tube, not the smaller AR-15 tube.

Buy the Sprinco AR-.308 Buffer Spring

Keep a .308-pattern AR cycling reliably with a properly sized Sprinco buffer spring. Browse more of our rifle parts selection and order from our Lubbock, Texas gun shop.