GC_UPC MCR Dual-Feed Upper Picatinny Dry Film MAP MCR-556-DFR show more like this Free shipping over $400 (Excludes Ammo) Gman Sport 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 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 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 $7,334.99 MCR-556-DFR show more like this Elite Firearms Online