G-Code Prime Carry, Holster, Black, Fits GLOCK 34 Gen 3-5 with X300U-B GPC-K01-106L50 G-Code's precision fit enables a crisp, clean break on the draw and a secure, no rattle carry. As such, users of G-Code tactical holsters have confidence in carry and speed in presentations. Every G-Code product is designed for real world use by genuine operators.