Uppers

CMMG Resolute MK4 6mm ARC Upper with 16.1" Barrel, Black - 60B1091ABExperience the power and precision of the CMMG Resolute MK4 6mm ARC Upper! This cutting-edge upper receiver group is designed to deliver exceptional performance in a lightweight,...

Radical Firearms 16" Barrel 300 Blackout Complete Upper (RAFRF00375) This item ships free.  The Radical Firearms 300 Blackout upper provides a fully assembled MIL-STD upper that can seamlessly attach to any MIL-STD lower receiver. Whether...

LUTH-AR 16" Lightweight Barrel Complete Upper Receiver For 223 REM/556NATO - BAA3-L16 This item ships free.  The Luth-AR 16” Lightweight Complete Upper Barrel Assembly begins with a 16" lightweight barrel chambered in 223 Remington. This...

Hm Defenses Mission Is To Advance Ar15 / Ar10 Rifle Technology To Its Highest Level. They Strive To Create Rifles That Are More Accurate, Easier To Maintain And Dependable In Extreme Conditions. 1. Barrel :The HM MONOBLOC upper includes an...

HM Defense's Mission Is To Advance Ar15 / Ar10 Rifle Technology To Its Highest Level. They Strive To Create Rifles That Are More Accurate, Easier To Maintain And Dependable In Extreme Conditions.1. Barrel :The HM MONOBLOC upper includes an...