3pcs Barrel extension by APS – Airsoft Tactical Store
External Barrel Extension - 6.8cm [AirsoftPro]
Airsoft Pro External Barrel Extension length 6.8 cm dia 14mm ccw - Airsoft Shop, Airsoft Guns, Sniper rifles, Airsoft pistols, parts and bbs by FireSupport
Slong Airsoft 2" Outer Barrel Extension CCW 14MM | Patrol Base UK