Evolve Weapons Systems 7075 H2 Buffer Kit - Sprinco Blue Spring & EWS QD End Plate/Castle Nut

With the Evolve Weapon Systems AR-15 Buffer Kit, you'll have everything you need to either build a new carbine or convert your rifle to a carbine length stock. The kit contains an H2 carbine buffer weight, a Sprinco Blue spring, upgraded 7075 aluminum carbine buffer tube, and also features the improved EWS steel castle nut and QD end plate.

Includes:

• H2 carbine buffer weight
• Sprinco Blue buffer spring
• Carbine length 7075 aluminum buffer tube
• EWS steel castle nut-improved
• EWS steel QD end plate