Prometheus 6,03 mm Inner Barrel 363 mm for M4

Prometheus

is one of the brands of japanese manufacturer of upgrade parts Laylax. The Prometheus brand focuses on parts for gearboxes and barrels. Their heavy-duty gears, stainless steel and bronze barrels, are famous.

Laylax is an airsoft upgrade parts maker. Plan, design, and develop airsoft upgrade parts to satisfy and please all airsoft fans & players around the world. Offer not only custom upgrade parts but also tactical gears and variety of supplies, necessary for airsoft game. Other brands of LayLax are PSS, NineBall and Nitro.