G&G SMC9 GBB SMG Conversion Kit For GTP9 (GTP9 Included / Kit Only) Set:Complete Gun making it almost impossible to

making it almost impossible to differentiate the 6mm version

-Quick Spring Change

Ball Bearing Quick Change Spring Guide

Gearbox bearing: 8mm Ball Bearing

Kits include:

G&G SMC9 GBB SMG Conversion Kit For GTP9 (GTP9 Included / Kit Only) Set:Complete Gun making it almost impossible toNo orange tip for Canadian customers. All new from G&G is the SMC 9! This is a SMG true conversion kit for the GTP9 pistol, giving it a foldable stock, a longer barrel with a handguard rail system and an extended magazine. Unlike other so called "conversion kits", the SMC9 is a true kit as it replaces the entire upper assembly (i. e. the slide) with a brand new bolt carrier group and upper receiver. The metal body makes the kit a solid build with the