Outer barrel - 20'' Sport
Outer barrel made by CNC, 6061 T6 aluminium, light hollow profile, including two barrel spacers and a standard hopup unit. This barrel equips the SRS-A1 20'' Sport and accepts 510 mm long (AEG type) inner barrels. The thread protector (fixed on a 24 CW thread) allows to fix a DTSS silencer (sold separately). It is also possible to fix a muzzle thread adapter (sold separatey) to use any standard 14 mm CCW muzzle devices.