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AR 15 Barrel Assembly

This page has our most popular products related to AR 15 Barrel Assembly. If you don't see what you are looking for here, you might try to refine your search in the search box above or browse through the categories on the left.

Check out our handgun, rifle, shotgun, and rimfire ammunition categories. We have ammunition for just about every gun you have ever heard of and some you may not have. We sell all of our ammunition at the lowest possible price and because we have several warehouses, we have many times the inventory of any other retailer. When others run out, you'll find what 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
$7.73
IN STOCK at Warehouses
2,1
DPMS TPR Complete Upper Assembly
ARR-992
$599.97
IN STOCK at Warehouse
1
CMMG AR-15 Complete Upper Assembly .300 AAC Blackout 16  Barrel A2 Front Sight M4 Handguards Black Finish 30BF8C0
20-CMMG30BF8C0
$649.95
IN STOCK at Warehouses
2,20,9
CMMG AR-15 Complete Upper Assembly .300 AAC Blackout 16  Barrel A2 Front Sight M4 Handguards Black Finish 30BF8C0
9-80611
$569.94
IN STOCK at Warehouses
2,20,9
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
7-55BA22C
$93.46
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
2-CMMG30BF8C0
$522.24
IN STOCK at Warehouses
2,20,9
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
2-CMMG55BA22C
$92.21
IN STOCK at Warehouses
2,7
AR-15 Custom 9x19mm Complete Upper 16  Stainless Barrel With Bolt and Charging Handle Optic Ready
ARR-642
$399.97
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
$312.80
IN STOCK at Warehouse
3
JSE AR-15 5.56 Complete 16  A3 Upper With Adams Arms Gas Piston 1:9  Twist HBAR Barrel
ARR-630
$599.97
IN STOCK at Warehouse
1
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
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
S&W M&P Piston Semi Auto AR-15 Upper Receiver .223 Rem/5.56 NATO 16  Barrel Chrome Lined Flat Top Black 812006
72058
$660.00
IN STOCK at Warehouses
4,8
S&W M&P Piston Semi Auto AR-15 Upper Receiver .223 Rem/5.56 NATO 16  Barrel Chrome Lined Quad Rail Flat Top Black 812007
72059
$735.90
IN STOCK at Warehouses
4,8
S&W M&P Piston Semi Auto AR-15 Upper Receiver .223 Rem/5.56 NATO 16  Barrel Chrome Lined Flat Top Black 812006
8-SW-812006
$653.90
IN STOCK at Warehouses
4,8
S&W M&P Piston Semi Auto AR-15 Upper Receiver .223 Rem/5.56 NATO 16  Barrel Chrome Lined Quad Rail Flat Top Black 812007
8-SW-812007
$733.34
IN STOCK at Warehouses
4,8
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
$369.97
IN STOCK at Warehouses
2,1
CMMG M4 Barrel Assembly 5.56 NATO 14.7  Pinned/Welded A2 Flash Hider 1:7  Twist Front Sight Base Black 55D12D2
20-CMMG55D12D2
$279.95
IN STOCK at Warehouse
20
American Tactical Imports M4-22 AR-15 Complete Upper Assembly .22 LR 28 Round Magazine Flat Top M4 Profile Barrel Black 8ATIM42228
3-0409319
$295.11
IN STOCK at Warehouse
3
CORE15 TAC III AR-15 Complete Upper .22 LR 16  Barrel 25 Rounds Midwest Industries 15  Gen 2 SS Free Float Rail Forged Upper Black 2841
3-0406509
$552.75
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
$368.12
IN STOCK at Warehouse
3
Del-Ton AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:9  Twist M4 Profile Barrel Flat Top Carbine Length Standard Handguards A2 Front Sight W/ BCG and Charging Handle Black DT1009
8-DTI-DT1009
$396.96
IN STOCK at Warehouses
1,7,8
Del-Ton AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:9  Twist M4 Profile Barrel Flat Top Carbine Length Standard Handguards A2 Front Sight W/ BCG and Charging Handle Black DT1009
7-DT1009
$375.10
IN STOCK at Warehouses
1,7,8
AR-15 5.56 Complete Upper Assembly Flattop  20  Rifle 1:9  Twist Chrome Moly HBAR Barrel  Standard Handguard UK20DTIHMGB
ARR-633
$419.97
IN STOCK at Warehouse
1
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
$399.97
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
Chiappa Firearms M4-22 Gen 2 PRO AR-15 Upper Assembly .22 LR 16  Barrel Flat Top Receiver Quad Rail Forend Black 500-094
6-0406441
$305.44
IN STOCK at Warehouse
6
CMMG 9mm M4 Compete Upper
76162
$591.27
IN STOCK at Warehouses
2,4
Del-Ton AR-15 .223rem/5.56 NATO Complete Upper 16  Barrel A3 Mid Length Pre Ban
7-DT1023
$389.62
IN STOCK at Warehouses
1,7
DPMS AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:7  Twist M4 Profile Barrel Flat Top W/Carry Handle Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging handle Black BAAP416CH
2-DPBAAP416CH
$496.35
IN STOCK at Warehouses
10,11,12,2,3
DPMS AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:7  Twist M4 Profile Barrel Flat Top W/Carry Handle Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging handle Black BAAP416CH
12-0408831
$511.82
IN STOCK at Warehouses
10,11,12,2,3
DPMS AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:7  Twist M4 Profile Barrel Flat Top W/Carry Handle Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging handle Black BAAP416CH
11-0408831
$511.82
IN STOCK at Warehouses
10,11,12,2,3
DPMS AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:7  Twist M4 Profile Barrel Flat Top W/Carry Handle Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging handle Black BAAP416CH
10-0408831
$511.82
IN STOCK at Warehouses
10,11,12,2,3
Windham Weaponry AR-15 SRC Upper 16  M4 Barrel Rail Gas Block Complete with Bolt and Carrier UR16M4FTB
2-WWUR16M4FTB
$467.53
IN STOCK at Warehouses
2,8
DPMS AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:7  Twist M4 Profile Barrel Flat Top W/Carry Handle Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging handle Black BAAP416CH
3-0408831
$511.82
IN STOCK at Warehouses
10,11,12,2,3
Anderson Manufacturing AR-15 Carbine Free Float Tube Assembly 8.75  Dimpled Tube 2 Picatinny Rails Barrel Nut Jam nut Mounting Screw Black AM66FFDI16
8-AM-AM66FFDI16
$113.88
IN STOCK at Warehouse
8
Anderson Manufacturing AR-15 Carbine Free Float Tube Assembly 6.83  Dimpled Tube 2 Picatinny Rails Barrel Nut Jam nut Mounting Screw Black AM66FFDIS16
8-AM-AM66FFDIS16
$86.71
IN STOCK at Warehouse
8
Advanced Armament Corporation AR-15 Complete Upper .300 AAC Blackout 16  Barrel 1:7  Twist KAC URX Rail 51T Blackout Flash Hider Full Auto Bolt Carrier Group Black 101716
3-0406442
$979.03
IN STOCK at Warehouses
2,3
Advanced Armament Corporation AR-15 Complete Upper .300 AAC Blackout 16  Barrel 1:7  Twist KAC URX Rail 51T Blackout Flash Hider Full Auto Bolt Carrier Group Black 101716
2-AACO101716
$954.68
IN STOCK at Warehouses
2,3
Advanced Armament Corporation AR-15 Complete Upper .223 Rem/5.56 NATO 16  Barrel 1:7  Twist KAC URX Rail 51T Blackout Flash Hider Full Auto Bolt Carrier Group Black 102780
2-AACO102780
$954.68
IN STOCK at Warehouses
2,3
Advanced Armament Corporation AR-15 Complete Upper .223 Rem/5.56 NATO 16  Barrel 1:7  Twist KAC URX Rail 51T Blackout Flash Hider Full Auto Bolt Carrier Group Black 102780
3-0406515
$979.03
IN STOCK at Warehouses
2,3
DPMS AR-15 A3 Complete Upper Assembly 5.56 NATO/.223 Rem 16  Oracle Barrel Assembly 1:9 Twist Aluminum Free Float Tube Flat Top Single Rail Gas Block Teflon Coated Black BA-OC-16
7-100400
$356.40
IN STOCK at Warehouses
2,7
AR-15 Barrel 16  DPMS AP4 5.56x45mm Chamber 1:9  Twist Chrome Lined A3 Upper Includes Front Sight Gas Block Assembl
ARR-5261
$179.97
IN STOCK at Warehouse
1
DRD U556 Semi Auto AR-15 Upper Quick Takedown Kit Black U556KIT
92303
$632.50
IN STOCK at Warehouse
4
Windham Weaponry 16” Heavy Barrel AR-15 Complete Upper Receiver Flat Top UR16LHB
8-WW-UR16LHB
$487.67
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
$467.53
IN STOCK at Warehouses
2,4,8
Windham Weaponry AR-15 Complete Upper Receiver .223/5.56 NATO 16  1:9  Twist M4 Profile Barrel Flat Top Carbine Length Standard Handguards A2 Front Sight W/BCG and Charging Handle UR16M4LHB
2-WWUR16M4LHB
$467.53
IN STOCK at Warehouse
2
Windham Weaponry .223 Rem/5.56 NATO 16  Heavy Barrel AR-15 Complete Upper Receiver Flat Top UR16LHB
84211
$475.05
IN STOCK at Warehouses
2,4,8
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
$396.52
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 PAUP25RD502
7-PAUP25RD502
$371.66
IN STOCK at Warehouse
7
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
3-0406463
$392.44
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 10 Round Magazine Matte Black Finish PAUP10RD606
6-0406463
$392.44
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
6-0406460
$392.44
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
$392.44
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 PAUP25RD502
3-0406459
$368.12
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 PAUP10RD605
3-0406462
$368.12
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
6-0406459
$368.12
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 PAUP10RD605
6-0406462
$368.12
IN STOCK at Warehouses
3,6
Bushmaster M4A3 AR-15 Complete Upper Assembly 5.56 NATO 16  Barrel A2 Front Sight Black 91823
2-BM91823
$467.53
IN STOCK at Warehouse
2
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
$588.89
IN STOCK at Warehouses
2,4
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
$135.04
IN STOCK at Warehouse
7
Colt LE6940 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  Barrel Monolithic Quad Rail A2 Flash Hider Flip Front Sight Black LE6940CK
92637
$891.00
IN STOCK at Warehouses
4,8
Colt LE6940 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  Barrel Monolithic Quad Rail A2 Flash Hider Flip Front Sight Black LE6940CK
8-CLT-LE6940CK
$984.50
IN STOCK at Warehouses
4,8
Colt LE6920 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  Barrel Polymer Handguard A2 Flash Hider Fixed Front Sight Black LE6920CK
8-CLT-LE6920CK
$689.70
IN STOCK at Warehouses
4,8
Colt LE6920 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  Barrel Polymer Handguard A2 Flash Hider Fixed Front Sight Black LE6920CK
92636
$627.00
IN STOCK at Warehouses
4,8
Colt LE6920 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 14.5  (16  OAL) Barrel Polymer Handguard A2 Flash Hider Fixed Front Sight Black LE6921CK
2-CTLE6921CK
$675.91
IN STOCK at Warehouse
2
DRD Tactical AR-15 Single Rifle Hard Case for 16  Carbine Le
2-DRDUHARDCASE
$195.60
IN STOCK at Warehouse
2
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
11-0637141
$111.66
IN STOCK at Warehouses
10,11,3,6
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
10-0637141
$111.66
IN STOCK at Warehouses
10,11,3,6
Caldwell Shooting Supplies AR Transporter Soft Case 46  Nylon Black 720154
3-0637141
$111.66
IN STOCK at Warehouses
10,11,3,6
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
$860.72
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
3-0406473
$860.72
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
$860.72
IN STOCK at Warehouses
11,3,6,8
Anderson Manufacturing AR-15 Complete Upper Receiver Assembly 5.56 NATO 16  Barrel A2 Handguard and Flash Hider Aluminum Black AM-74603-UP
8-AM-AM74603UP
$393.73
IN STOCK at Warehouse
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
11,3,6,8
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
6-0406479
$1,064.59
IN STOCK at Warehouses
11,3,6,8
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
11,3,6,8
Core15 M4 AR-15 Complete Upper Assembly .22 LR 16  Barrel 26 Round Magazine Frame Front Sight Black 1121
2-CORE1121
$417.93
IN STOCK at Warehouse
2
 
 
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