Ar-15/M16/308 Ar Tuned Buffer Spring - Tuned And Polished Buffer Spring, 308 Rifle

Precision centerless ground and polished operating springs offer a smoother and quieter operation in AR buffer tubes. Improved impulse feel results in faster sight recovery and improved reliability. Outer-diameter is ground and polished for smooth, quiet movement in the buffer tube. Rifle fits fixed stock rifles with A1/A2 buffer tube. Carbine fits collapsible M4-type carbine-length buffer tube. 308 Rifle - Fits AR10 and 308 AR fixed stock rifles with an A1/A2 buffer tube. 308 Carbine - fits AR1