The Swiss Arms airsoft company has been a leader in the community for their various high-quality airsoft products, including parts and peripherals. These high precision, tightbore 6.01mm diameter barrels offer the ultimate accuracy by reducing the gap between BB and barrel. These precision barrels are made out of high strength, warp-resistant, anti-corrosion coated steel for unmatched quality and durabilitiy. This barrel, paired with high quality BBs and proper maintenance & cleaning will provide sniper-like accuracy and incredible performance boosts over stock inner barrels.
This barrel fits well with most M4 and other similarly sized platforms