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AR 15 Barrel Assembly

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At Cheaper Than Dirt! you'll find the world's largest collection of firearms-related products. With tens of thousands of products, several warehouses, and the lowest prices on the planet, you'll find everything you need at Cheaper Than Dirt!

AR-15 Delta Ring Assembly Del-Ton Barrel Spring Barrel Spring Ring and Delta Ring
ARR-5400
$11.97
IN STOCK at Warehouse
1
AR-15 Delta Pak DPMS Barrel Spring Barrel Spring Ring and Delta Ring
ARR-540
$9.97
IN STOCK at Warehouse
1
LBE Unlimited AR-15 Barrel Nut Steel Black ARBNT
2-LBARBNT
$8.08
IN STOCK at Warehouses
2,1
Advanced Armament Corp .300 AAC Blackout AR-15 Upper 16  Barrel KAC URX Rail AAC Blackout 51T Brake 101716
2-AACO101716
$954.68
IN STOCK at Warehouses
2,3
CMMG Barrel Collar Assembly for AR-15 .22 LR Collar Stainless Steel 22BA415
2-CMMG22BA415
$46.25
IN STOCK at Warehouse
2
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
CMMG AR-15 Complete Upper Assembly .300 AAC Blackout 16  Barrel A2 Front Sight M4 Handguards Black Finish 30BF8C0
9-80611
$595.85
IN STOCK at Warehouses
2,9
CMMG AR-15 Complete Upper Assembly .300 AAC Blackout 16  Barrel A2 Front Sight M4 Handguards Black Finish 30BF8C0
2-CMMG30BF8C0
$545.97
IN STOCK at Warehouses
2,9
AR-15 Custom 9x19mm Complete Upper 16  Stainless Barrel With Bolt and Charging Handle Optic Ready
ARR-642
$499.97
IN STOCK at Warehouse
1
American Tactical Imports AR-15 Complete Upper Assembly .22 LR 16.1  Barrel Quad Rail Rear Sight Vertical Grip Black Finish ATIM42228T
3-0409320
$327.01
IN STOCK at Warehouse
3
DRD U556 Semi Auto AR-15 Upper .223 Rem/5.56 NATO 16  Barrel Quick Takedown Black U556BIL
92225
$948.75
IN STOCK at Warehouses
2,4
DRD U556 Semi Auto AR-15 Upper .223 Rem/5.56 NATO 16  Barrel Quick Takedown Black U556BIL
2-DRDU556BIL
$889.35
IN STOCK at Warehouses
2,4
JSE AR-15 5.56 Complete 16  A3 Upper With Adams Arms Gas Piston 1:9  Twist HBAR Barrel
ARR-630
$699.97
IN STOCK at Warehouse
1
JSE AR-15 5.56 Complete 16  M4 Upper With Adams Arms Gas Piston 1:9  Twist Civilian M4 Barrel
ARR-631
$719.97
IN STOCK at Warehouse
1
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
AR-15 M4 Upper Assembly Complete JSE Surplus .223 Rem/5.56 NATO Flat Top Receiver 16  Chrome Moly Steel Barrel 1:9  Twist
ARR-520
$479.97
IN STOCK at Warehouse
1
DPMS AR-15 M4 Complete Upper Assembly, Flattop Receiver, 16  Barrel, 1-9  Twist, Detachable Carry Handle BAAP416CH
11-0408831
$535.08
IN STOCK at Warehouses
11,12,2,3
DPMS AR-15 M4 Complete Upper Assembly, Flattop Receiver, 16  Barrel, 1-9  Twist, Detachable Carry Handle BAAP416CH
12-0408831
$535.08
IN STOCK at Warehouses
11,12,2,3
DPMS AR-15 M4 Complete Upper Assembly, Flattop Receiver, 16  Barrel, 1-9  Twist, Detachable Carry Handle BAAP416CH
2-DPBAAP416CH
$518.91
IN STOCK at Warehouses
11,12,2,3
DPMS AR-15 5.56 NATO M4 Complete Upper Assembly Flattop Receiver 16  Barrel
3-0408831
$535.08
IN STOCK at Warehouses
11,12,2,3
American Tactical Imports M4-22 AR-15 Complete Upper Assembly .22 LR 28 Round Magazine Flat Top M4 Profile Barrel Black 8ATIM42228
3-0409319
$308.52
IN STOCK at Warehouse
3
Plinker Tactical SBR AR-15 Complete Upper Assembly .22 Long Rifle 12.5  Standard Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP10RD604
3-0406461
$384.85
IN STOCK at Warehouses
3,6
Plinker Tactical SBR AR-15 Complete Upper Assembly .22 Long Rifle 12.5  Standard Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP10RD604
6-0406461
$384.85
IN STOCK at Warehouses
3,6
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
Del-Ton AR-15 .223Rem/5.56 NATO 16  Barrel Complete Upper A3 Flat Top Pre Ban
7-DT1009
$419.98
IN STOCK at Warehouses
1,7
Bushmaster 24  Varmiter Upper Reciever Barrel Assembly AR-15 5.56 NATO/.223 Rem Fluted Freefloat Risers 92820
12-0409318
$606.28
IN STOCK at Warehouse
12
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
Del-Ton AR-15 .223rem/5.56 NATO Complete Upper 16  Barrel A3 Mid Length Pre Ban
7-DT1023
$407.33
IN STOCK at Warehouses
1,7
Windham Weaponry AR-15 SRC Upper 16  M4 Barrel Rail Gas Block Complete with Bolt and Carrier UR16M4FTB
2-WWUR16M4FTB
$488.78
IN STOCK at Warehouses
2,8
CMMG AR-15 Complete Upper Assembly .300 AAC Blackout 16  Barrel Carbine Length Gas K9 Quad Rail Free Float Tube Black 30BF827
85442
$660.15
IN STOCK at Warehouse
4
AAC AR-15 Complete Upper Assembly .300 AAC Blackout 16  Nitride Barrel Knight's Armament Quad Rail AAC 51-T Flash Hider Black Finish 101716
76289
$974.16
IN STOCK at Warehouse
4
Windham Weaponry 16” Heavy Barrel AR-15 Complete Upper Receiver Flat Top UR16LHB
8-WW-UR16LHB
$509.84
IN STOCK at Warehouses
2,4,8
Windham Weaponry .223 Rem/5.56 NATO 16  Heavy Barrel AR-15 Complete Upper Receiver Flat Top UR16LHB
84211
$493.38
IN STOCK at Warehouses
2,4,8
Windham Weaponry .223 Rem/5.56 NATO 16  Heavy Barrel AR-15 Complete Upper Receiver Flat Top UR16LHB
2-WWUR16LHB
$488.78
IN STOCK at Warehouses
2,4,8
DRD U556 Semi Auto AR-15 Upper Quick Takedown Kit Black U556KIT
92303
$661.25
IN STOCK at Warehouse
4
AR-15 LoRider Upper Assembly Complete 5.56 NATO  A3  20  Bull Barrel Flattop 1:8  Twist with Bolt and Carrier  UCJSE20015
ARR-521
$519.97
IN STOCK at Warehouse
1
Plinker Tactical AR-15 Complete Upper Assembly .22 Long Rifle 16.25  Match Grade Bull Barrel Crown/Taper Aluminum Quad Rail 10 Round Magazine Matte Black Finish PAUP10RD606
6-0406463
$410.27
IN STOCK at Warehouse
6
Plinker Tactical M4 AR-15 Complete Upper Assembly .22 Long Rifle 16.25  M4 Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP25RD502
7-PAUP25RD502
$388.55
IN STOCK at Warehouse
7
Plinker Tactical M4 AR-15 Complete Upper Assembly .22 Long Rifle 16.25  M4 Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP25RD502
6-0406459
$384.85
IN STOCK at Warehouses
3,6
Plinker Tactical M4 AR-15 Complete Upper Assembly .22 Long Rifle 16.25  M4 Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP25RD502
3-0406459
$384.85
IN STOCK at Warehouses
3,6
Plinker Tactical AR-15 Complete Upper Assembly .22 Long Rifle 16.25  Match Grade Bull Barrel Crown/Taper Aluminum Quad Rail Matte Black Finish PAUP25RD503
7-PAUP25RD503
$390.94
IN STOCK at Warehouses
3,6,7
Plinker Tactical AR-15 Complete Upper Assembly .22 Long Rifle 16.25  Match Grade Bull Barrel Crown/Taper Aluminum Quad Rail Matte Black Finish PAUP25RD503
3-0406460
$410.27
IN STOCK at Warehouses
3,6,7
Plinker Tactical AR-15 Complete Upper Assembly .22 Long Rifle 16.25  Match Grade Bull Barrel Crown/Taper Aluminum Quad Rail Matte Black Finish PAUP25RD503
6-0406460
$410.27
IN STOCK at Warehouses
3,6,7
Plinker Tactical M4 AR-15 Complete Upper Assembly .22 Long Rifle 16.25  M4 Profile Barrel Aluminum Quad Rail Matte Black Finish PAUP10RD605
6-0406462
$384.85
IN STOCK at Warehouse
6
CMMG Inc. AR-15 5.56mm NATO Barrel Sub Assembly 16.1  Mid-Length Gas 1:7  Twist 4140 Chrome-Moly Salt Bath Nitride Finish Black 55DC70A
7-55DC70A
$148.60
IN STOCK at Warehouse
7
CMMG AR-15 Complete Upper Assembly 9mm Luger 16  M4 Barrel 1:10 Twist Flat Top Receiver A2 Front Sight Black WASP Finish
2-CMMG90B1AA2
$615.65
IN STOCK at Warehouse
2
Core15 AR-15 Tac III Complete Upper 16  Barrel 5.56 NATO with BCG and Midwest Industries 12  Gen 2 SS Rail Black 99056
3-0406510
$795.16
IN STOCK at Warehouse
3
Vltor Weapon Systems VIS Upper Receiver Assembly 7  Carbine Aluminum Black VIS1AK
7-VIS1AK
$479.86
IN STOCK at Warehouse
7
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
11-0637141
$114.66
IN STOCK at Warehouses
10,11,3,6
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
10-0637141
$114.66
IN STOCK at Warehouses
10,11,3,6
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
3-0637141
$114.66
IN STOCK at Warehouses
10,11,3,6
Adams Arms AR-15 Carbine Length Tactical Elite Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Quad Rail Black UA-16-C-TE-556
6-0406479
$1,064.59
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms AR-15 Carbine Length Tactical Elite Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Quad Rail Black UA-16-C-TE-556
11-0406479
$1,064.59
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms AR-15 Carbine Length Tactical Elite Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Quad Rail Black UA-16-C-TE-556
3-0406479
$1,064.59
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms AR-15 Carbine Length Tactical Evo Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Modular Rail Black UA-16-C-TEVO-556
3-0406473
$948.70
IN STOCK at Warehouses
11,3,6,8
Adams Arms AR-15 Carbine Length Tactical Evo Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Modular Rail Black UA-16-C-TEVO-556
6-0406473
$948.70
IN STOCK at Warehouses
11,3,6,8
Adams Arms AR-15 Carbine Length Tactical Evo Complete Upper Assembly .223 Rem/5.56mm NATO 16  Barrel 1:7  Twist Flattop Samson Free Float Modular Rail Black UA-16-C-TEVO-556
11-0406473
$948.70
IN STOCK at Warehouses
11,3,6,8
Windham Weaponry AR-15 SRC 5.56mm NATO/.223 Rem16  M4 Barrel Front Sight Flat Top Receiver Complete Upper UR16M4LHPBB
9-102164
$513.91
IN STOCK at Warehouse
9
 
 
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