Up for sale is an exceptional Colt Sporter M4 Carbine in excellent overall condition, built in a highly desirable monolithic upper receiver configuration. This rifle features a solid, continuous picatinny top rail paired with a full quad-rail handguard with ladder rail covers, an integrated flip-up front sight post, a classic bayonet lug, colt 556 barrel, and multiple integrated QD sling points. Outfitted with a high-grade Colt-branded stock and topped with a crystal-clear Sig Sauer MSR 1-6x LPVO mounted on a precision Sig Sauer cantilever mount, this package delivers outstanding versatility from close-quarters to extended ranges. Complete and ready to hit the range, it includes one magazine.