Filters

Colors

Types

Manufacturers

See more...

Platforms

Length

Gas System Length

Upper Receiver


Product Price Rating Type Color Manufacturer Platform Image
Bootleg Ar-15 5.56 M-Lok Partial Upper - 10.5" 644.95 None Bootleg AR-15 Bootleg AR-15 5.56 M-Lok Partial Upper - 10.5"
Primary Weapons Systems Ar-15 Mk1, Mod 2 Upper, 11.85" Barrel, 11" M-Lok Rail, .223 Wylde, Triad 556-Complete Upper 1147.46 None Primary Weapon Systems AR-15 Primary Weapons Systems AR-15 MK1, MOD 2 Upper, 11.85" Barrel, 11" M-LOK Rail, .223 Wylde, Triad 556-Complete Upper
Bootleg Ar-15 5.56 M-Lok Partial Upper - 14.5" Pinned 699.95 None Bootleg AR-15 Bootleg AR-15 5.56 M-Lok Partial Upper - 14.5" Pinned
Daniel Defense Mk18 Upper Receiver Group - Black 10.3" 1146.00 Black Daniel Defense None Daniel Defense MK18 Upper Receiver Group - Black 10.3"
Fightlite Ar-15 Belt And Mag Feed Upper Receiver Assembly 3995.00 None Fightlite AR-15 Fightlite AR-15 BELT AND MAG FEED UPPER RECEIVER ASSEMBLY
Rainier Arms Ar-15 Ultramatch .223 Wylde Complete Upper - 12.5 1295.00 None Rainier Arms, Llc AR-15 Rainier Arms AR-15 UltraMatch .223 Wylde Complete Upper - 12.5
Rainier Arms Ar-15 Combat Series Upper Mod 2 16" (M-Lok) 1089.00 None Rainier Arms, Llc AR-15 Rainier Arms AR-15 Combat Series Upper Mod 2 16" (M-LOK)
Noveske Complete Upper Gen 3 300blk 10.5 Cqb Nsr-9 1353.75 None Noveske None Noveske Complete Upper Gen 3 300Blk 10.5 CQB NSR-9
Noveske Ar-15 Gen 3 Upper .223/5.56mm Recon - 16 Nsr 1410.75 None Noveske AR-15 Noveske AR-15 Gen 3 Upper .223/5.56MM Recon - 16 NSR
Noveske Ar-15 .223/5.56mm Light Shorty - 10.5 Basic 883.50 None Noveske AR-15 Noveske AR-15 .223/5.56MM Light Shorty - 10.5 Basic
Rainier Arms Ar-15 Ultramatch .223 Wylde Complete Upper - 16 (M-Lok) 1295.00 None Rainier Arms, Llc AR-15 Rainier Arms AR-15 UltraMatch .223 Wylde Complete Upper - 16 (M-LOK)
Carry Handle Upper Receiver, .223/5.56 211.99 None Colt AR-15 Carry Handle Upper Receiver, .223/5.56
Noveske Ar-15 .223/5.56mm Recce - 16 Lp 11 Nqd 1372.00 None Noveske AR-15 Noveske AR-15 .223/5.56MM Recce - 16 LP 11 NQD
.458 Socom Stripped Upper Receiver Aluminum Black 82.99 Stripped Black Anderson Manufacturing AR-15 .458 Socom Stripped Upper Receiver Aluminum Black
Ar-15 Upper Receiver W/ Lower Parts Kit & Stock Assembly 492.99 None Brownells AR-15 Ar-15 Upper Receiver W/ Lower Parts Kit & Stock Assembly
Ar-15 Premium Upper Assembly Build Kit 87.99 None Brownells AR-15 Ar-15 Premium Upper Assembly Build Kit
Noveske Stripped Upper Receiver W/M4 Feed Ramps 114.00 Stripped None Noveske None Noveske Stripped Upper Receiver w/M4 Feed Ramps
Primary Weapons Systems Mk1, Mod 2 Upper, 11.85" Barrel, 11" Keymod Rail, 300 Blk, Triad 30 1299.95 None Primary Weapon Systems None Primary Weapons Systems MK1, MOD 2 Upper, 11.85" Barrel, 11" KeyMod Rail, 300 BLK, Triad 30
Noveske Ar-15 Complete Gen 3 Upper .223/5.56 10.5" Light Shorty Nqr-9 1425.00 None Noveske AR-15 Noveske AR-15 Complete Gen 3 Upper .223/5.56 10.5" Light Shorty NQR-9
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
Aero Precision M5 .308 Stripped Upper Receiver - Black 114.75 Stripped Black Aero Precision None Aero Precision M5 .308 STRIPPED UPPER RECEIVER - BLACK
Noveske Ar-15 .223/5.56mm Recce - 16 Lp 1562.75 None Noveske AR-15 Noveske AR-15 .223/5.56MM Recce - 16 LP
Mk107 Mod 1-M Upper Receiver 7.75 Barrel .223 Wylde 892.99 None Primary Weapons AR-15 Mk107 Mod 1-M Upper Receiver 7.75 Barrel .223 Wylde
Ar-15 Upper Receiver Carbine Length Keymod Blk 400.00 Black Mega Arms AR-15 Ar-15 Upper Receiver Carbine Length Keymod Blk
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
Next Level Armament Nlx308 .308/7.62 Left Hand Upper Receiver And Bcg Set 379.99 None Next Level Armament None Next Level Armament NLX308 .308/7.62 Left Hand Upper Receiver and BCG Set
V Seven Forged M4 Stripped Mil-Spec Upper Receiver Ar15 142.59 Stripped None V7 Weapon Systems AR-15 V Seven forged M4 Stripped Mil-Spec Upper Receiver AR15
Ar-15 Ultra Light Monolithic Upper Receiver 15" Black 165.99 Black Fm Products Inc AR-15 Ar-15 Ultra Light Monolithic Upper Receiver 15" Black
Rainier Arms Pdw Upper Builders Kit Match .223 Wylde Pistol Gas - 7.5" 649.99 None Rainier Arms, Llc None Rainier Arms PDW Upper Builders Kit Match .223 Wylde Pistol Gas - 7.5"
Rainier Arms Spr Upper Builders Kit Match .223 Wylde Rifle Gas - 18" 724.99 None Rainier Arms, Llc None Rainier Arms SPR Upper Builders Kit Match .223 Wylde Rifle Gas - 18"
Rainier Arms Ultramatch Billet Upper - Mod 3 204.95 None Rainier Arms, Llc None Rainier Arms UltraMatch Billet Upper - MOD 3
Faxon Firearms Stripped Forged Upper Receiver - 7075-T6 94.99 Stripped None Faxon Firearms None Faxon Firearms Stripped Forged Upper Receiver - 7075-T6
Brn-180™ Ar-15 16" 223 Wylde Upper Receiver Assembly 799.99 None Brownells AR-15 Brn-180™ Ar-15 16" 223 Wylde Upper Receiver Assembly
V Seven 7075 Billet Enlightened Ar15 Upper 231.83 None V7 Weapon Systems AR-15 V Seven 7075 Billet Enlightened AR15 Upper
Ar-15 Premium Upper Build Kit None Brownells AR-15 Ar-15 Premium Upper Build Kit
M4e1 Assembled Gen 2 Upper Receiver 18 Rifle Length 509.99 None Aero Precision AR-15 M4E1 Assembled Gen 2 Upper Receiver 18 Rifle Length
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
Bcm Bfh 16" Mid Length Upper Receiver Group W/ Bcm Mcmr-15 Handguard 684.95 None Bravo Company Mfg None BCM BFH 16" Mid Length Upper Receiver Group w/ BCM MCMR-15 Handguard
Bcm Bfh 14.5" Mid Length Upper Receiver Group W/ Bcm Mcmr-13 Handguard 674.95 None Bravo Company Mfg None BCM BFH 14.5" Mid Length Upper Receiver Group w/ BCM MCMR-13 Handguard
Complete Upper Receiver 14.5" 1025.99 Complete None Colt AR-15 Complete Upper Receiver 14.5"
Mega Forged Stripped - M4 Upper 105.00 Stripped None Mega Arms None MEGA Forged Stripped - M4 Upper
M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" 319.99 None Brownells AR-15 M4A1 Socom Upper Receiver Assembly 5.56X45Mm 16"
M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" W/$50 Gc 339.99 None Brownells AR-15 M4A1 Socom Upper Receiver Assembly 5.56X45Mm 16" W/$50 Gc
Ar-15 Upper 300blk 8.5" Hbar Pistol Gas 7" Fgs Handguard 239.99 Black Radical Firearms AR-15 Ar-15 Upper 300Blk 8.5" Hbar Pistol Gas 7" Fgs Handguard
Hera Arms Hcu Ar-15 Billet Upper - Minus Forward Assist 129.00 None Hera Arms AR-15 Hera Arms HCU AR-15 Billet Upper - Minus Forward Assist
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
M4e1 Assembled Gen 2 Upper Receiver 16 Carbine Length 494.99 None Aero Precision AR-15 M4E1 Assembled Gen 2 Upper Receiver 16 Carbine Length
Noveske Gen Iii Ar-15 Upper Receiver Stripped 275.50 Stripped None Noveske AR-15 Noveske Gen III AR-15 Upper Receiver Stripped
Mk12 Spr 18" 5.56mm Nato 1-7 12" Ddm4 Rail Upper 1326.99 None Daniel Defense AR-15 Mk12 Spr 18" 5.56Mm Nato 1-7 12" Ddm4 Rail Upper
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
Noveske Ar-15 .223/5.56mm Rogue Hunter 16 1130.50 None Noveske AR-15 Noveske AR-15 .223/5.56mm Rogue Hunter 16
Odin Works Billet Upper Receiver 151.05 None Odin Works None ODIN Works Billet Upper Receiver
Cmt Tactical Upur - 3a Billet Upper Receiver - Side Charger 115.00 None Cmt None CMT Tactical UPUR - 3A Billet Upper Receiver - Side Charger
Mcr Belt-Fed Upper Receiver Semi 16.25" 5.56mm Keymod 3500.00 None Fightlite Industries AR-15 Mcr Belt-Fed Upper Receiver Semi 16.25" 5.56Mm Keymod
M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" Fn Barrel 299.99 None Brownells AR-15 M4A1 Socom Upper Receiver Assembly 5.56X45Mm 16" Fn Barrel
Ar-15 16" 450 Bushmaster Upper Receiver Keymod Black 424.99 Black Ati AR-15 Ar-15 16" 450 Bushmaster Upper Receiver Keymod Black
Armalite Ar10 Upper 319.00 None Armalite AR-10 Armalite AR10 Upper
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 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
Forged A4 Upper Receiver Assembly 99.90 None Rock River Arms AR-15 Forged A4 Upper Receiver Assembly
Quick Takedown Upper Receiver Build Kit, 13" Rail 717.99 None Drd Tactical AR-15 Quick Takedown Upper Receiver Build Kit, 13" Rail
Ar-15 Stripped Upper Receiver Black W/Flag Etching 64.99 Stripped Black Aero Precision AR-15 Ar-15 Stripped Upper Receiver Black W/Flag Etching
Zev Technologies Lf .308/7.62 Billet Receiver Set 623.00 None Zev Tech None ZEV Technologies LF .308/7.62 Billet Receiver Set
Rainier Arms Match 6.5 Creedmoor Complete Upper - 18" 1349.99 None Rainier Arms, Llc None Rainier Arms Match 6.5 Creedmoor Complete Upper - 18"
Ar-15 M4 Upper Receiver 5.56mm No Bcg, Charging Handle 519.99 None Colt AR-15 Ar-15 M4 Upper Receiver 5.56Mm No Bcg, Charging Handle
Primary Weapons Systems Ar-15 Mk1, Mod 2-M Upper, 7.75" Barrel, 6.91" M-Lok Rail Complete 7.62x39 Upper 1147.46 None Primary Weapon Systems AR-15 Primary Weapons Systems AR-15 MK1, MOD 2-M Upper, 7.75" Barrel, 6.91" M-LOK Rail Complete 7.62x39 Upper
Zev Technologies Ar15 Forged Upper 119.00 None Zev Tech AR-15 ZEV Technologies AR15 Forged Upper
Angstadt Arms Pistol Caliber Upper Receiver 207.99 None Angstadt Arms None Angstadt Arms Pistol Caliber Upper Receiver
V Seven 2055 Enlightened Ar-15 Upper 338.53 None V7 Weapon Systems AR-15 V Seven 2055 ENLIGHTENED AR-15 UPPER
M4e1 Assembled Gen 2 Upper 14.7 Mid Pencil Length 464.99 None Aero Precision AR-15 M4E1 Assembled Gen 2 Upper 14.7 Mid Pencil Length
Rainier Arms Forged Mil-Spec Upper Minus Fa W/ Logo 125.00 None Rainier Arms, Llc None Rainier Arms Forged Mil-Spec Upper Minus FA w/ LOGO
Mk12 Mod 0 Gen Iii Upper Receiver Complete 1-7 Twist Black 1907.99 Complete Black Precision Reflex, Inc. AR-15 Mk12 Mod 0 Gen Iii Upper Receiver Complete 1-7 Twist Black
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"
Rainier Arms Ultramatch 9 Pcc 9mm Complete Upper - 16" (Keymod) 699.99 None Rainier Arms, Llc None Rainier Arms Ultramatch 9 PCC 9mm Complete Upper - 16" (Keymod)