Japanese Airsoft handguns are all designed this way with no exceptions

The non-recoiling outer barrel sets the inner barrel using 2 grub screws in order to fix the outer and inner barrels together

Swap between different lowers easily with modular design

and includes a full metal base plate

Please refer to your airsoft gunsmith for proper installation/fitting

Socom Gear Les Baer M1911 Green Gas Single Stack 4 Magazine (KP07M) green gas pistol Japanese Airsoft handguns are allMagazine is compatible with all single stack Socom Gear 1911 based pistols Rounds: 15 Material: Metal Color: Silver Base Color: Black or Silver (Flat Base)