Sprinco Receiver Extensions & Buffer Parts

Reduced Power Buffer Spring for Lightweight Bolt Carriers Ideal for competition builds, lightweight bolt carriers, or rifles tuned for softer shooting, this Sprinco Reduced Power AR-15 Buffer Spring reduces resistance...

Stronger AR-10 Buffer Spring For Over-Gassed Setups The Sprinco Orange AR-10 Buffer Spring is purpose-built to handle the increased mass, pressure, and recoil of AR-10/.308 platforms. Designed for use in...

Improved AR-15 Buffer Spring Manufactured from certified chrome silicon wire and subjected to a proprietary heat treatment process, the Sprinco Standard Power AR-15 Buffer Spring resists fatigue and maintains performance...