Product Description Aluminum M9×0.75 to 1/2 ×28 Thread Adapter with Thread ProtectorFor GSG Firefly / Mosquito This adapter converts the factory M9×0.75 barrel threads on the GSG Firefly and Mosquito to a common 1/2×28 TPI thread pattern, allowing the use of standard accessories such as muzzle brakes, faux cans, compensators, and other 1/2×28 threaded devices. Features Precision machined adapter for GSG Firefly & Mosquito Allows installation of 1/2×28 muzzle devices Includes matching thread protector for added barrel thread protection Lightweight, durable anodized aluminum construction Smooth, secure fit with no wobble




