G&G SMC9 GBB SMG Conversion Kit For GTP9 (GTP9 Included / Kit Only) Set:Complete Gun Ball Bearing Quick Change Spring

Ball Bearing Quick Change Spring Guide

Once maximum capacity is reached the shell will rupture with an approximate 130db “BANG”

Kits include:

Flat top receiver for 20mm Picatinny / Weaver mounted optics and accessories

Polymer Pistol Grip

G&G SMC9 GBB SMG Conversion Kit For GTP9 (GTP9 Included / Kit Only) Set:Complete Gun Ball Bearing Quick Change SpringNo 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