GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK MAP APAR700704M5 show more like this 14.99 Defense Depot GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK $512.91 APAR700704M5 show more like this Calculated in Cart DACK Outdoors GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK MAP APAR700704M5 show more like this Huligan Arms GC_UPC Aero M4e1-t Upper 5.56 $530.87 - show more like this Tactical Surplus USA GC_UPC Aero Precision M4E1-T Upper 5.56 / .223 Rem 14.5" Barrel w/ ATLAS R-ONE Handguard $534.99 APAR700704M5 show more like this 14.58 GrabAGun.com GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK MAP APAR700704M5 show more like this 14.95 TheGunDock.com GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK MAP APAR700704M5 show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK MAP APAR700704M5 show more like this 9.99 SHTF Tactical GC_UPC Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 14,5in, Mid-Length Barrel, 1-7 Twist, 1/2x28 Thread, ATLAS R-ONE Handguard, Black Anodized, APAR700704M5 $574.99 APAR700704M5 show more like this Dvor GC_UPC Aero Precision M4e1-T Atlas R-One Complete Upper Receivers 5.56mm - Ar-15 M4e1-T 14.5" Mid-Length Assembled Upper 12" R-One Hg $574.99 APAR700704M5 show more like this additional Brownells GC_UPC Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS R-ONE Handguard - Anodized Black - APAR700704M5 $574.99 APAR700704M5 show more like this Calculated in Cart Classic Firearms GC_UPC Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 14,5in, Mid-Length Barrel, 1-7 Twist, 1/2x28 Thread, ATLAS R-ONE Handguard, Black Anodized, APAR700704M5 $574.99 APAR700704M5 show more like this Free Shipping on most orders over $49 Optics Planet GC_UPC Aero Precision AERO M4E1-T UPPER 5.56 14.5" BLK $574.99 APAR700704M5 show more like this Sahuarita Guns GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK $574.99 APAR700704M5 show more like this 14.95 Guns 2 Ammo GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK $574.99 APAR700704M5 show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5" $574.99 APAR700704M5 show more like this $8.99 Flat Rate Dirty Bird Industries GC_UPC Aero Precision AERO M4E1-T UPPER 5.56 14.5" BLK $574.99 APAR700704M5 show more like this Handguns $25 / Rifles $34.99 Charter Tactical GC_UPC Aero Precision AERO M4E1-T UPPER 5.56 14.5" BLK $574.99 APAR700704M5 show more like this Mainstreet Munitions GC_UPC M4e1-T Atlas R-One Complete Upper Receivers 5.56Mm APAR700704M5 $578.82 APAR700704M5 show more like this Firearms $18.45, Free over $500 Shooting Surplus GC_UPC Aero Precision AERO M4E1-T UPPER 5.56 14.5" BLK $590.99 APAR700704M5 show more like this $29.99 Handguns, $39.99 Long guns, $19.99 Ammunition, $19.99 Suppressor, $12.95 Everything else, Orders over $1000 ship free United Patriot Supply GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK $607.00 APAR700704M5 show more like this Free on Firearms Acute Firearms GC_UPC AERO M4E1-T UPPER 5.56 14.5" BLK $615.00 APAR700704M5 show more like this 19.99 The Armory at LTT GC_UPC Aero Precision AERO M4E1-T UPPER 5.56 14.5" BLK $639.99 APAR700704M5 show more like this Handguns $39.99, Long guns $19.99, Ammo $16.99, Accessories $11.99 GunsInStock.com