Product Description
The Glassbreaker 18-inch AR-15 .450 Bushmaster Rifle Full Build Kit from MCS provides all the essential components for building a robust firearm tailored for performance and reliability. This kit features an 18-inch "Sepal" barrel constructed of 4150 Chrome Moly Vanadium steel with a phosphate finish and a 1:24 twist rate. The stripped upper receiver is crafted from 7075-T6 forged aluminum, ensuring durability. A 15-inch KeyMod free float handguard made from 6061-T6 aluminum allows for modular customization.
The kit includes a .458 SOCOM/.450 Bushmaster bolt carrier group made of 9310 alloy steel with a nitride finish, paired with a Recoil Technologies micro low-profile gas block. The muzzle device is a KAK .458 compensator. The THRIL combat stock is made from nylon-reinforced polymer, complemented by a mil-spec heavy-duty 6-position buffer tube system. Assembly and customization of this .450 Bushmaster rifle is straightforward, ideal for gunsmiths who value freedom in firearm craftsmanship.