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AR Upper Receivers

Looking for AR Upper Receivers? We have thousands of rifles, handguns, and shotguns in stock. If you don't find what you are looking for on this page, check out the categories listed on the left side for more guns, ammo, and accessories.

We now sell firearms from all of the popular manufacturers including Glock, S&W, Sig Sauer, Colt, and many others. If you need a gun for personal protection, hunting, competition or just plinking, we've got it at the best price you'll find anywhere.

DRD Stripped AR-15 Billet Upper Receiver Flat Top Black Finish UPPERBILAR
2-DRDUPPERBILAR
$181.31
IN STOCK at Warehouses
2,4
DRD Stripped AR-15 Billet Upper Receiver Flat Top Black Finish UPPERBILAR
92222
$185.15
IN STOCK at Warehouses
2,4
AR-15 Matched Upper Build Kit with A3  T  Marked Upper, Bolt Carrier Group and Charging Handle , Black
ARR-654
$299.97
IN STOCK at Warehouse
1
AR-15 Upper Receiver Stripped Mil Spec M4 Feed Ramps hard anodized coated finish
ARR-1660
$129.97
IN STOCK at Warehouse
1
AR-15 Carry Handle Black Weaver Fits on AR-15 and M4 Upper Receiver Rail
47383
$69.35
IN STOCK at Warehouses
3,4,6,8
Anderson Stripped AR-15 A3 Upper M4 Feed Ramps Matte Black Finish A3UPPER
7-A3UPPER
$55.76
IN STOCK at Warehouse
7
Weaver AR-15 Carry Handle Black
6-0922271
$87.70
IN STOCK at Warehouses
3,4,6,8
Weaver AR-15 Carry Handle Black
3-0922271
$87.70
IN STOCK at Warehouses
3,4,6,8
Weaver AR-15 Carry Handle Black
8-WEAVER-48326
$81.73
IN STOCK at Warehouses
3,4,6,8
AR-15 Upper Receiver .223 Texas Black Rifle Company
ARR-1662
$129.97
IN STOCK at Warehouse
1
DPMS AR-15 A4 Upper Receiver Parts Kit with Charging Handle
ARR-573
$34.97
IN STOCK at Warehouse
1
Del-Ton AR-15 A4 Upper Receiver Parts Kit
ARR-5730
$19.97
IN STOCK at Warehouse
1
ERGO Grip AR-15 Upper Receiver Spring Replacement Kit 5 Piece 4611
9-105457
$4.99
IN STOCK at Warehouses
8,9
ERGO Grip AR-15 Upper Receiver Spring Replacement Kit 5 Piece 4611
8-ERGO-4611
$4.06
IN STOCK at Warehouses
8,9
Yankee Hill Machine Complete AR-15 Lower Receiver Multi Caliber Aluminum Black Finish YHM128
7-GYHM128
$295.40
IN STOCK at Warehouse
7
Black Dawn AR-15 Zombie Slayer Ejection Port Cover BD-ZSF
9-100927
$15.00
IN STOCK at Warehouse
9
Midwest Industries AR-15 Billet Stripped Upper Receiver Aluminum Anodized MIARBU
7-MIARBU
$164.95
IN STOCK at Warehouse
7
CMMG AR-15 Front Sight Base  F  Marked .750  Barrel Diameter Black 55DA338
7-55DA338
$32.99
IN STOCK at Warehouse
7
A3 or A4 Stripped Upper Receiver T-Marked Without M4 Feed Ramps, No Dust Cover
ARR-1661
$119.97
IN STOCK at Warehouse
1
Spike's Tactical AR-15 Complete Upper Flat Top Black 7075 T6 Aluminum SFT50M4
2-SPKSFT50M4
$102.65
IN STOCK at Warehouse
2
Houlding Precision Firearms AR-15 Upper Receiver CNC Machined 7075 T6 Billet Aluminum Black HPF-15G2U
2-HPF-15G2UPPER
$236.66
IN STOCK at Warehouse
2
ProMag AR-15 Upper and Lower Receiver Magazine Well Vise Block Set Polymer Black PM123A
11-1922318
$39.82
IN STOCK at Warehouses
11,8
ProMag AR-15 Upper and Lower Receiver Magazine Well Vise Block Set Polymer Black PM123A
8-PM-PM123A
$31.05
IN STOCK at Warehouses
11,8
DPMS AR-15 Flat Top Upper
ARR-1663
$129.97
IN STOCK at Warehouse
1
CMMG AR-10 Complete Bolt Carrier Group Mark 3 Black 38BA423
7-38BA423
$218.29
IN STOCK at Warehouses
2,7
CMMG AR-10 Complete Bolt Carrier Group Mark 3 Black 38BA423
2-CMMG38BA423
$209.28
IN STOCK at Warehouses
2,7
DRD Tactical Stripped Upper .308 Win 13  DRD Quad Rail No BCG, Charging Handle, or Case Matte Black U762-BK-DPMS
2-DRDU762-BK-DPMS
$608.58
IN STOCK at Warehouse
2
Vltor Weapon Systems AR-15 Upper Receiver Modular with Forward Assist Mil-Spec Flat Top Black MUR-1A
7-MUR1A
$168.90
IN STOCK at Warehouse
7
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
7-55BA22C
$102.84
IN STOCK at Warehouses
2,7
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
2-CMMG55BA22C
$96.40
IN STOCK at Warehouses
2,7
Unique to Olympic Arms is the OA Operations System which incorporates the recoil system into a flat top upper receiver eliminating the need for a buttstock. The OA-93 was the FIRST AR-15 pistol. Receiver Material 7075 T6 Aluminum Forged Receivers Machine
8-OAI-OA93
$1,107.11
IN STOCK at Warehouse
8
CMMG MK3 Upper Receiver Assembly Billet 6061-T6 Aluminum Black with Dust Cover 38BA157
7-38BA157
$202.97
IN STOCK at Warehouse
7
Vltor Weapon Systems VIS Upper Receiver Assembly 7  Carbine Aluminum Black VIS1AK
7-VIS1AK
$479.86
IN STOCK at Warehouse
7
CMMG AR-10 Barrel Nut Steel Black 38DA237
8-CMMG-38DA237
$24.14
IN STOCK at Warehouse
8
Intrepid Tactical Solutions AR-12 Semi Auto Shotgun Upper 12 Gauge 18.1  Barrel 5 Rounds Scorpion Muzzle Break Black 14-3001
3-0406485
$1,352.23
IN STOCK at Warehouses
2,3,8
Intrepid Tactical Solutions AR-12 Semi Auto Shotgun Upper 12 Gauge 18.1  Barrel 5 Rounds Scorpion Muzzle Break Black 14-3001
8-ITS-143001
$1,293.75
IN STOCK at Warehouses
2,3,8
Intrepid Tactical Solutions AR-12 Semi Auto Shotgun Upper 12 Gauge 18.1  Barrel 5 Rounds Scorpion Muzzle Break Black 14-3001
2-INTRPD14-3001
$1,183.34
IN STOCK at Warehouses
2,3,8
Spike's Tactical Ejection Port Door Part Black  Pirate & Arrgh  Engraving
2-SPKSED7003
$8.88
IN STOCK at Warehouse
2
CMMG MK4T AR-15 Complete Upper 300 AAC Blackout 16  Stainless Barrel KeyMod Hand Guard 30BC353
2-CMMG30BC353
$646.00
IN STOCK at Warehouse
2
LR308 Upper Receiver A3 Flat Top Charging Handle, Ejection Cover Assembly and Forward Assist.
ARR-820
$199.97
IN STOCK at Warehouse
1
Black Rain Ordnance Stripped .308 Milled Upper Reciever Black MUR-308
8-BR-MUR308
$235.94
IN STOCK at Warehouse
8
AAC AR-15 Complete Upper Assembly .300 BLK 16  Barrel 1:7 Twist KAC URX Rail BLACKOUT Flash Hider Black 101716
3-0406442
$979.03
IN STOCK at Warehouses
2,3
Del-Ton AR-15 Stripped Lower Receiver Aluminum Black LR100
7-GLR100
$93.56
IN STOCK at Warehouses
12,3,6,7,8
Del-Ton AR-15 Stripped Lower Receiver Aluminum Black LR100
12-0137685
$93.60
IN STOCK at Warehouses
12,3,6,7,8
Del-Ton AR-15 Stripped Lower Receiver Aluminum Black LR100
6-0137685
$93.60
IN STOCK at Warehouses
12,3,6,7,8
Del-Ton AR-15 Stripped Lower Receiver Aluminum Black LR100
3-0137685
$93.60
IN STOCK at Warehouses
12,3,6,7,8
Plinker Tactical AR-15 .22 Long Rifle Pistol Upper Receiver Free Floating Quad Rail 12.5  Barrel Black PAUP25RD501
6-0406458
$384.85
IN STOCK at Warehouse
6
Advanced Armament Corporation AR-15 Complete Upper Receiver .223 Rem/5.56 NATO 16  Barrel KAC URX Rail Black 102780
7-102780
$974.16
IN STOCK at Warehouse
7
Black Rain Ordnance Let It Rain AR-15 Dust Cover BRO-EDC
2-BRO-EDC
$16.57
IN STOCK at Warehouse
2
Spike's Tactical AR-15 Ejection Port Door Part Black  Spider & Flag  Engraving
2-SPKSED7010
$8.88
IN STOCK at Warehouse
2
Spike's Tactical AR-15 Ejection Port Door Part Black  Zombie Killer  Engraving
2-SPKSED7007
$8.88
IN STOCK at Warehouse
2
Spike's Tactical AR-15 Ejection Port Door Part Black  Bio Hazard  Engraving
2-SPKSED7011
$8.88
IN STOCK at Warehouse
2
Wheeler Delta Series AR-15 Upper/Picatinny Rail Vise Block Aluminum Black 156888
2-WH156888
$33.04
IN STOCK at Warehouses
2,4,7,8,9
Wheeler Delta Series AR-15 Upper/Picatinny Rail Vise Block Aluminum Black 156888
85622
$30.26
IN STOCK at Warehouses
2,4,7,8,9
Wheeler Delta Series AR-15 Upper/Picatinny Rail Vise Block Aluminum Black 156888
7-156888
$31.37
IN STOCK at Warehouses
2,4,7,8,9
Wheeler Delta Series AR-15 Upper/Picatinny Rail Vise Block Aluminum Black 156888
8-WH-156888
$32.38
IN STOCK at Warehouses
2,4,7,8,9
Wheeler Delta Series AR-15 Upper/Picatinny Rail Vise Block Aluminum Black 156888
9-90657
$30.58
IN STOCK at Warehouses
2,4,7,8,9
Bushmaster AR-15 Complete Lower Receiver Standard Trigger ACE Skeleton Rifle Stock Aluminum Black 92960
10-0135835
$366.83
IN STOCK at Warehouses
10,12,3,8
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Grip and Six Position Collapsible Stock Aluminum Black LR102T
7-GLR102T
$226.45
IN STOCK at Warehouse
7
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Stock/Grip Aluminum Black LR102-F
7-GLR102F
$226.45
IN STOCK at Warehouse
7
Yankee Hill Machine Complete Black Diamond Specter XL AR-15 Upper 6.8mm SPC 16  Barrel 1/10 Twist Flip Up Sights Free Float Quad Rail Black Finish YHM-7820-68
7-YHM782068
$902.10
IN STOCK at Warehouse
7
Spike's Tactical AR-15 Ejection Port Door Part Black  Punisher & Flag  Engraving
2-SPKSED7005
$8.88
IN STOCK at Warehouse
2
BSA Tactical Weapon AR/M4 Upper Receiver Handle Mount with Rings TWAR15
9-106104
$23.93
IN STOCK at Warehouse
9
AR-15 Delta Pak DPMS Barrel Spring Barrel Spring Ring and Delta Ring
ARR-540
$9.97
IN STOCK at Warehouse
1
CMMG AR-15 Barrel Nut Steel Black 55DA296
8-CMMG-55DA296
$8.54
IN STOCK at Warehouse
8
AR-15 Delta Ring Assembly Del-Ton Barrel Spring Barrel Spring Ring and Delta Ring
ARR-5400
$11.97
IN STOCK at Warehouse
1
Anderson MFG. AR-15 Anodized Stripped Upper Receiver .223/5.56 NATO
8-AM-AR15A3UPFOR
$63.89
IN STOCK at Warehouse
8
AR-15 5.56 Optics Ready Upper Assembly with 16 1:9  Twist  HBAR Barrel, Railed Gas Block, Bolt Carrier Group and Charging Handle
ARR-632
$449.97
IN STOCK at Warehouse
1
AR-15 5.56 Complete Upper Assembly Flattop  20  Rifle 1:9  Twist Chrome Moly HBAR Barrel  Standard Handguard UK20DTIHMGB
ARR-633
$499.97
IN STOCK at Warehouse
1
AR-15 5.56 Complete Upper Assembly Flattop 16  Carbine 1:9  Twist Lightweight Chrome Moly Barrel
ARR-634
$399.97
IN STOCK at Warehouse
1
Black Rain Ordnance 223 Upper Receiver Milled Aluminum Anodized Black Finish BRO-MUR-2
9-91221
$187.59
IN STOCK at Warehouses
8,9
 
 
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