Nine Ball Hi Capa 5.1 Non Recoiling Barrel Color:Black the outer barrel is threaded

the outer barrel is threaded for 14mm counterclockwise (CCW) tracer units

GEN II 30mm cantilever scope mount with lightweight upper rings and 45° offset rail

This all metal pistol features a 28 rd capacity

LIGHTWEIGHT DESIGN WITH FIELD PROVEN EFFICIENCY

To use it you will also need an M4 AEG magazine

Nine Ball Hi Capa 5.1 Non Recoiling Barrel Color:Black the outer barrel is threadedHi Capa 5. 1 "2 Way Fixed" Non Recoiling Outer Barrel 14mm CCW Threaded Muzzle Cap.Lightweight, precision machined aluminum. Made for the Tokyo Marui Hi Capa 5. 1 gas blowback series. The combination of set grub screws and high strength aluminum alloy outer barrel make for a highly stable shooting platform. Choose between a non threaded outer barrel cap for normal use, or a 14mm CCW threaded muzzle cap for infinite attachments. The outer barrel is