Filters

Colors

Types

Manufacturers

See more...

Platforms

Length

Gas System Length

Upper Receiver


Product Price Rating Type Color Manufacturer Platform Image
10.5" Complete Upper Receiver Group 9mm 508.25 Complete None Faxon Firearms AR-15 10.5" Complete Upper Receiver Group 9Mm
10.5" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch 291.99 None Radical Firearms AR-15 10.5" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch
10.5" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch 335.13 Black Radical Firearms AR-15 10.5" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch
10.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch 332.13 None Radical Firearms AR-15 10.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch
16" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch 332.13 Black Radical Firearms AR-15 16" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch
16" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch 299.00 None Radical Firearms AR-15 16" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch
16"Upper Assy 5.56 Socom Standard Keymod Rail No Bcg Or Ch 332.13 None Radical Firearms AR-15 16"Upper Assy 5.56 Socom Standard Keymod Rail No Bcg Or Ch
223 Wylde 10.5" Model 1 Complete Upper Receiver Black 1363.99 Complete Black Radian Weapons AR-15 223 Wylde 10.5" Model 1 Complete Upper Receiver Black
300blk 8.7" Model 1 Blk Complete Upper Receiver Black 1363.99 Complete Black Radian Weapons AR-15 300Blk 8.7" Model 1 Blk Complete Upper Receiver Black
.458 Socom Stripped Upper Receiver Aluminum Black 82.99 Stripped Black Anderson Manufacturing AR-15 .458 Socom Stripped Upper Receiver Aluminum Black
4.5 Complete Upper Receiver 9mm Black 782.99 Complete Black Angstadt Arms, Llc AR-15 4.5 Complete Upper Receiver 9Mm Black
7.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch 332.13 None Radical Firearms AR-15 7.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch
8.5" Upper Assy 300blk Hbar Std Keymod Rail No Bcg Or Ch 332.13 Black Radical Firearms AR-15 8.5" Upper Assy 300Blk Hbar Std Keymod Rail No Bcg Or Ch
8.5 Upper Receiver W/ 10.5 Tri-Lug Barrel 437.99 None Fm Products Inc AR-15 8.5 Upper Receiver W/ 10.5 Tri-Lug Barrel
9mm Billet Upper Receiver Black 122.99 Black Odin Works Inc. AR-15 9Mm Billet Upper Receiver Black
A1 Complete Upper Receiver 5.56 Piston 539.99 Complete None Wolf AR-15 A1 Complete Upper Receiver 5.56 Piston
A2 9mm Upper Receiver 590.99 None Rock River Arms AR-15 A2 9Mm Upper Receiver
A4 9mm Upper Receiver 664.99 None Rock River Arms AR-15 A4 9Mm Upper Receiver
Adams Arms P2 Adjustable Complete Upper 5.56 - 14.5" Pinned 998.99 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 14.5" Pinned
Adams Arms P2 Adjustable Complete Upper 5.56 - 16" 976.49 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 16"
Adams Arms P2 Adjustable Complete Upper 5.56 - 7.5" 976.49 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 7.5"
Adams Arms P3 Adjustable Complete Upper 5.56 - 16.5" 1246.49 None Adams Arms None Adams Arms P3 Adjustable Complete Upper 5.56 - 16.5"
Aero Precision Ar15 Stripped Upper Receiver Black Anodized 79.99 Stripped Black Aero Precision AR-15 Aero Precision AR15 Stripped Upper Receiver Black Anodized
Aero Precision M5 (.308) Assembled Upper Receiver - Blk 131.75 None Aero Precision None Aero Precision M5 (.308) ASSEMBLED UPPER RECEIVER - BLK
Aero Precision M5 .308 Stripped Upper Receiver - Black 114.75 Stripped Black Aero Precision None Aero Precision M5 .308 STRIPPED UPPER RECEIVER - BLACK
Angstadt Arms Pistol Caliber Upper Receiver 207.99 None Angstadt Arms None Angstadt Arms Pistol Caliber Upper Receiver
Ar-15 0940 9mm Stripped Upper Receiver For Glock™ Magazine 244.99 Stripped None Angstadt Arms, Llc AR-15 Ar-15 0940 9Mm Stripped Upper Receiver For Glock™ Magazine
Ar-15 10.3 Super Duty Stripped Upper Receiver Black 699.00 Stripped Black Geissele Automatics Llc AR-15 Ar-15 10.3 Super Duty Stripped Upper Receiver Black
Ar-15 10.3" Urg-I Stripped Upper Receiver 5.56mm 899.99 Stripped None Geissele Automatics Llc AR-15 Ar-15 10.3" Urg-I Stripped Upper Receiver 5.56Mm
Ar-15 11.5" Complete Upper Receiver Black Keymod 5.56 359.99 Complete Black Brownells AR-15 Ar-15 11.5" Complete Upper Receiver Black Keymod 5.56
Ar-15 14.5 Super Duty Nano Complete Upper Receiver Ddc 979.00 Complete None Geissele Automatics Llc AR-15 Ar-15 14.5 Super Duty Nano Complete Upper Receiver Ddc
Ar-15 16" 450 Bushmaster Upper Receiver Keymod Black 424.99 Black Ati AR-15 Ar-15 16" 450 Bushmaster Upper Receiver Keymod Black
Ar-15 16" Complete 450 Bushmaster Upper Receiver Black 514.99 Complete Black Radical Firearms AR-15 Ar-15 16" Complete 450 Bushmaster Upper Receiver Black
Ar-15 16" Ds-4 Upper W/ Lpgb - No Barrel Nut 189.99 None Double Star AR-15 Ar-15 16" Ds-4 Upper W/ Lpgb - No Barrel Nut
Ar-15 16" Slh M-Lok Assembled Upper Receiver .223 Wylde 535.99 None Midwest Industries, Inc. AR-15 Ar-15 16" Slh M-Lok Assembled Upper Receiver .223 Wylde
Ar15 16" Tac2 Upper Assembly 1-9 577.99 None Dpms AR-15 Ar15 16" Tac2 Upper Assembly 1-9
Ar-15 5.56mm Forged A4 Upper Receiver W/ 16" Hbar Barrel 159.99 None Brownells AR-15 Ar-15 5.56Mm Forged A4 Upper Receiver W/ 16" Hbar Barrel
Ar-15 5.56 Upper Receiver Assembly 16" W/ Fs & Handguard 653.99 None Colt AR-15 Ar-15 5.56 Upper Receiver Assembly 16" W/ Fs & Handguard
Ar-15 6mm Arc Complete Upper 16in Ss Barrel 749.99 Complete None Aero Precision AR-15 Ar-15 6Mm Arc Complete Upper 16In Ss Barrel
Ar-15 9mm Upper Receiver 112.99 None Spikes Tactical AR-15 Ar-15 9Mm Upper Receiver
Ar-15 A2 Upper Receiver Stripped Black Blemished 78.00 Stripped Black Lewis Machine & Tool AR-15 Ar-15 A2 Upper Receiver Stripped Black Blemished
Ar-15 A3 Upper Receiver Assembly 5.56mm Left Hand 102.99 None Stag Arms AR-15 Ar-15 A3 Upper Receiver Assembly 5.56Mm Left Hand
Ar-15 A4 Forged Stripped Upper Receiver Black 64.99 Stripped Black Sabre Defence Industries, Llc. AR-15 Ar-15 A4 Forged Stripped Upper Receiver Black
Ar-15 A4 Stripped Upper Receiver 5.56 49.99 Stripped None Critical Capabilities Llc AR-15 Ar-15 A4 Stripped Upper Receiver 5.56
Ar15a4 Upper Rcvr Assembly, Carbine 169.99 None Colt AR-15 Ar15A4 Upper Rcvr Assembly, Carbine
Ar-15 Assembled Upper Receiver 16 Carbine Length W/ Fsb 324.99 None Aero Precision AR-15 Ar-15 Assembled Upper Receiver 16 Carbine Length W/ Fsb
Ar-15 Assembled Upper Receiver 16 Mid-Length W/ Fsb 329.99 None Aero Precision AR-15 Ar-15 Assembled Upper Receiver 16 Mid-Length W/ Fsb
Ar-15 Assembled Upper Receiver 20 Rifle Length W/ Fsb 424.99 None Aero Precision AR-15 Ar-15 Assembled Upper Receiver 20 Rifle Length W/ Fsb
Ar-15 Assembled Upper Receiver W/O Ch Or Bcg 300 Blk 284.99 Black Brownells AR-15 Ar-15 Assembled Upper Receiver W/O Ch Or Bcg 300 Blk
Ar-15 Assembled Upper Receiver W/O Ch Or Bcg 5.56 Nato 289.99 None Brownells AR-15 Ar-15 Assembled Upper Receiver W/O Ch Or Bcg 5.56 Nato
Ar-15 Assembled Xl Upper Receiver Black 75.99 Black Aero Precision AR-15 Ar-15 Assembled Xl Upper Receiver Black
Ar-15 Banshee 100 8" Complete Upper Receiver 9mm Black 746.99 Complete Black Cmmg AR-15 Ar-15 Banshee 100 8" Complete Upper Receiver 9Mm Black
Ar-15 Billet Upper Receiver Assembled 220.75 None Sharps Bros AR-15 Ar-15 Billet Upper Receiver Assembled
Ar-15 C7 Stripped Upper Receiver Black 75.99 Stripped Black Brownells AR-15 Ar-15 C7 Stripped Upper Receiver Black
Ar-15 Carbine Length Upper Receiver M-Lok Black 408.00 Black Mega Arms AR-15 Ar-15 Carbine Length Upper Receiver M-Lok Black
Ar-15 Colt Clone Urgi Complete Pinned/Welded 1499.00 Complete None Geissele Automatics Llc AR-15 Ar-15 Colt Clone Urgi Complete Pinned/Welded
Ar-15 Complete 3 Gun Elite Upper Receiver 5.56mm Left Hand 599.99 Complete None Stag Arms AR-15 Ar-15 Complete 3 Gun Elite Upper Receiver 5.56Mm Left Hand
Ar-15 Complete Upper Keymod 5.56 W/ 5-Pk 30-Rd Pmag 374.99 Complete None Brownells AR-15 Ar-15 Complete Upper Keymod 5.56 W/ 5-Pk 30-Rd Pmag
Ar-15 Complete Upper M-Lok 5.56 W/ 5-Pk 30-Rd Pmag 431.99 Complete None Brownells AR-15 Ar-15 Complete Upper M-Lok 5.56 W/ 5-Pk 30-Rd Pmag
Ar-15 Complete Upper Receiver Black Keymod 300 Blk 425.99 Complete Black Brownells AR-15 Ar-15 Complete Upper Receiver Black Keymod 300 Blk
Ar-15 Complete Upper Receiver Black Keymod 5.56 369.99 Complete Black Brownells AR-15 Ar-15 Complete Upper Receiver Black Keymod 5.56
Ar-15 Fm-9 16" 9mm Upper Receiver M-Lok Assembled Black 430.99 Black Fm Products Inc AR-15 Ar-15 Fm-9 16" 9Mm Upper Receiver M-Lok Assembled Black
Ar-15 Gen 2 Assembled Upper Receiver Black 5.56mm 99.99 Black Aero Precision AR-15 Ar-15 Gen 2 Assembled Upper Receiver Black 5.56Mm
Ar-15 Gen 2 Complete Upper Receiver Black M-Lok 5.56 345.99 Complete Black Brownells AR-15 Ar-15 Gen 2 Complete Upper Receiver Black M-Lok 5.56
Ar-15/M16 300 Blackout Complete Upper Receiver 999.00 Complete Black Tactical Solutions, Llc AR-15 Ar-15/M16 300 Blackout Complete Upper Receiver
Ar15/M16 7.5" Rxa15 Ss Mod Upper Receiver 249.99 None Red X Arms AR-15 Ar15/M16 7.5" Rxa15 Ss Mod Upper Receiver
Ar-15/M16 Assembled Upper Receiver 79.99 None Aero Precision AR-15 Ar-15/M16 Assembled Upper Receiver
Ar-15/M16 Billet Upper Receiver 209.99 None Cross Machine Tool Co., Inc. AR-15 Ar-15/M16 Billet Upper Receiver
Ar-15/M16 Billet Upper Receiver, .458 Socom 115.99 None Cross Machine Tool Co., Inc. AR-15 Ar-15/M16 Billet Upper Receiver, .458 Socom
Ar-15/M16 M4 Upper Receiver 625.99 None Spikes Tactical AR-15 Ar-15/M16 M4 Upper Receiver
Ar-15/M16 Stripped Upper Black W/Markings No Forward Assist 83.99 Stripped Black Aero Precision AR-15 Ar-15/M16 Stripped Upper Black W/Markings No Forward Assist
Ar-15 M4e1 Assembled Upper Receiver Black 5.56mm 106.99 Black Aero Precision AR-15 Ar-15 M4E1 Assembled Upper Receiver Black 5.56Mm
Ar-15 M4e1 Stripped Upper Receiver Black 5.56mm 89.99 Stripped Black Aero Precision AR-15 Ar-15 M4E1 Stripped Upper Receiver Black 5.56Mm
Ar-15 M4e1-T 10.5 In Atlas R-One Complete Upper 5.56mm Blk 434.99 Complete Black Aero Precision AR-15 Ar-15 M4E1-T 10.5 In Atlas R-One Complete Upper 5.56Mm Blk
Ar-15 M4e1-T 11.5 In Atlas R-One Complete Upper 5.56mm Blac 439.99 Complete None Aero Precision AR-15 Ar-15 M4E1-T 11.5 In Atlas R-One Complete Upper 5.56Mm Blac