Guarder Steel GBB Outer Barrel for TM 17/18c G-GLK-22-BK

Guarder Enhanced Loading Nozzle for TM P226 GBB

Guarder Enhanced Loading Nozzle for TM, WE, Hi-Capa/1911 GBB Pistols

Guarder Enhanced Recoil Spring Guide Set for WE Marui G17/G18 GE-GLK-17

Ra-Tech 6.01ID 370mm Precision Inner Barrel w/ Outer Barrel for WE SCAR GBB

Bull Craft Industries

BCI G&P M249 10.8" Outer Barrel

WE Tech 14mm CCW Threaded GBB Pistol Outer Barrel Adapter WE-ADAPTER

G&G SSG-1 Outer Barrel and Flash Hider Kit G-02-111-

Ra-Tech Stainless Steel Inner Barrel for KWA LM4 GBB Rifle

G&G PCC 9 Replacement Outer Barrel, #2 GJU-A03-2