CMMG MK4 T 5.56mm SBN Upper
In stock at Cabelas
Finish your rifle off with a CMMG MK4 T 5.56mm SBN Upper. This complete upper boasts CMMG's RKM KeyMod free-floating handguard – allowing easy attachment of rails and accessories. Continuous top rail accommodates nearly any optic or optics combination. 16" medium-taper barrel sports 1/2"x28 threads and is outfitted with an A2-style compensator for reduced muzzle flash and muzzle jump. Forged receiver is made of 7075-T6 aluminum for rugged dependability in the harshest conditions. Made in USA.
Complete upper receiver
RKM KeyMod free-floating handguard
Continuous top rail for versatile optics mounting
16" medium-taper barrel with A2-style compensator
Rugged 7075-T6 aluminum receiver