GUNDAY MK27 Steel Outer Barrel for GHK G45 Gen5 MOS GBB Airsoft

Heavy-duty steel outer barrel engineered for the GHK G45 Gen5 MOS platform. Built with premium steel construction to deliver superior durability and consistent performance across extended play sessions. Drop-in compatible design ensures hassle-free installation on your existing GHK G45 Gen5 MOS setup. Reinforced barrel profile resists wear and maintains zero retention for reliable accuracy. Perfect for airsoft enthusiasts upgrading their gas blowback rifle with authentic, combat-proven components.