19.5mm bolt carrier group for Viper GBBR AR15(pre order)
19.5mm bolt carrier group for Viper GBBR AR15(pre order)
$ 389.99
Available on back-order
19.5mm x 56mm cylinder volume
Stratos telescopic cylinder system
Real firing pin retainer
S45c Steel CNC made bolt carrier
7075 T6 CNC made nozzle and cylinder, and valve
Music wire high strength springs
Bolt carrier group weighs 320g
Stronger recoil and high gas efficiency
ETA June ~ July 2024
Free shipping for a pre order customer