GC_UPC FightLite Industries MCR 556 Nato Belt-Fed Upper MCR-556-DFR MAP MCR-556-DFR show more like this 9.99-29.99 Per Item Gunprime GC_UPC Fightlite MCR Dual-Feed Upper Picatinny Dry Film 5.56 MCR-556-DFR MAP MCR-556-DFR show more like this 14.95 TheGunDock.com GC_UPC FightLite FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | 1913 Picatinny Rail-Interface System | RipBrake Muzzle Compensator $6,239.99 MCR-556-DFR show more like this Handguns $25 / Rifles $34.99 Charter Tactical GC_UPC MCR Dual-Feed Upper Picatinny Dry Film MAP MCR-556-DFR show more like this Calculated in cart GunZoneDeals GC_UPC Fightlite Industries Mcr Dual-Feed Upper With Dry Film - Mcr Dual-Feed Upper Picatinny Dry Film $6,349.99 MCR-556-DFR show more like this additional Brownells GC_UPC MCR Dual-Feed Upper Picatinny Dry Film MAP MCR-556-DFR show more like this Free on Guns, $9.99 Accessories, $14.99 Ammo Tombstone Tactical GC_UPC FightLite FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | 1913 Picatinny Rail-Interface System | RipBrake Muzzle Compensator $6,781.49 MCR-556-DFR show more like this Additional, Calculated in cart BFG Outfitters GC_UPC Fightlite Mcr Dual-Feed Ar-15 Upper Assembly - Black 5.56 Nato 16.25” Quick-Change Barrel Accepts Ar-15 Magazines & M27 Linked Ammo 1913 Picatinny Rail-Interface System Ripbrake Muzzle Compensator MCR-556-DFR $6,976.73 MCR-556-DFR show more like this Firearms $18.45, Free over $500 Shooting Surplus GC_UPC MCR Dual-Feed Upper Picatinny Dry Film $7,079.99 MCR-556-DFR show more like this Free on Firearms Acute Firearms GC_UPC FightLite FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | 1913 Picatinny Rail-Interface System | RipBrake Muzzle Compensator $7,199.99 MCR-556-DFR show more like this Sergeant's Arms