VLTOR A5 Receiver Extension Kit with A5 Buffer and Spring for AR-15

VLTOR A5 Spring and Buffer Kit VLTOR's patented A5 system reduces felt recoil and bolt velocity with a proprietary buffer and specialized spring. The A5 system functions more like the classic M16 rifle length system, while remaining compact and usable with modern sliding stocks. You need the VLTOR A5 Receiver extension to complete your A5 [...]