Rosco Manufacturing Sauce Pack Upper Receiver Group with BCG, 18" Barrel, 5.56 NATO - SP-PB-18-223-BCG-GTR

This Rosco Sauce Pack upper receiver group combines an 18" barrel with an integrated bolt carrier group, designed for AR-15 platform builds. The barrel features a 1/2"x28 thread pitch for muzzle device compatibility. This complete upper assembly simplifies the build process by combining critical components into one unit.