KJ

KJ KP01 Hammer Set

KJ KP01 Hammer Set

KJ M4 Steel Trigger Set

KJ M4 Steel Trigger Set

KJ Mk16 9.3" Handguard-DDC

KJ Mk16 9.3" Handguard-DDC

KJ Mk16 Barrel Nut

KJ Mk16 Barrel Nut