Primary Weapon Systems A5 Enhanced Buffer Tube Kit with A5H2 Buffer Spring

The Primary Weapon Systems A5 Enhanced Buffer Tube Kit includes the A5-length buffer tube and A5H2 buffer spring designed for AR-15/M4 platform rifles. The A5 system uses a longer buffer tube and spring to reduce felt recoil, improve cycling reliability, and decrease bolt carrier velocity. Compatible with mil-spec AR-15 lower receivers. Ideal for carbine and pistol-length gas system builds seeking improved reliability and reduced recoil impulse.