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Complete AR15 Upper 5

Looking for Complete AR15 Upper 5? 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.

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!

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
YHM AR-15 Bolt and Carrier Assembly Group .223 Rem/5.56 NATO BCG YHM-BCBT-556
7-YHMBCBT556
$117.12
IN STOCK at Warehouse
7
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
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
Anderson MFG. AR-15 Anodized Stripped Upper Receiver .223/5.56 NATO
8-AM-AR15A3UPFOR
$63.89
IN STOCK at Warehouse
8
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
Del-Ton AR-15 .223Rem/5.56 NATO Complete Upper 20  Barrel A3 Flat Top Pre Ban
7-DT1013
$407.33
IN STOCK at Warehouse
7
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
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
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
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
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
Black Dawn AR-15 Complete Upper 5.56 NATO 16  Barrel Magpul MOE Handguard with BCG and Charging Handle BDR-MUPC
9-100910
$749.00
IN STOCK at Warehouse
9
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
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
CMMG AR-15 Mk4 3 Gun Complete Upper 5.56 NATO 18  Medium Weight Barrel KeyMod Hand Guard Forged 7075-T6 Aluminum Black 55B66C7
8-CMMG-55B66C7
$719.19
IN STOCK at Warehouse
8
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
Windham Weaponry 16” M4 Profile AR-15 Upper Receiver, Complete, Flat Top
2-WWUR16M4LHB
$488.78
IN STOCK at Warehouse
2
S&W M&P 15TS Complete AR-15 Upper .223 Rem/5.56 NATO 14.5  Barrel Vortex Flash Hider 1/7 Twist with Troy TRX Rail and MBUS Front and Rear Sights Black 812011
2-SW812011
$916.30
IN STOCK at Warehouses
10,2,3,6
S&W M&P 15TS Complete AR-15 Upper .223 Rem/5.56 NATO 14.5  Barrel Vortex Flash Hider 1/7 Twist with Troy TRX Rail and MBUS Front and Rear Sights Black 812011
3-0409353
$920.89
IN STOCK at Warehouses
10,2,3,6
S&W M&P 15TS Complete AR-15 Upper .223 Rem/5.56 NATO 14.5  Barrel Vortex Flash Hider 1/7 Twist with Troy TRX Rail and MBUS Front and Rear Sights Black 812011
10-0409353
$1,029.72
IN STOCK at Warehouses
10,2,3,6
S&W M&P 15TS Complete AR-15 Upper .223 Rem/5.56 NATO 14.5  Barrel Vortex Flash Hider 1/7 Twist with Troy TRX Rail and MBUS Front and Rear Sights Black 812011
6-0409353
$1,029.72
IN STOCK at Warehouses
10,2,3,6
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
AR-15 5.56 Complete Upper Slick Side Flat Top Lo-Pro 1 in 9  M4 Barrel Railed Gas Block Standard Handguards
ARR-641
$449.97
IN STOCK at Warehouse
1
AR-15 Double Star Upper 16  5.56mm H-Bar Barreled Upper Cerro Forged 1:9  Twist No BCG or Charging Handle
ARR-960
$379.97
IN STOCK at Warehouses
1,8
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
10-0409404
$564.12
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
11-0409404
$564.12
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
12-0409404
$564.12
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
2-CMMG55BE1F0
$533.03
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
3-0409404
$564.12
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
6-0409404
$564.12
IN STOCK at Warehouses
10,11,12,2,3,4,6
CMMG AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist WASP Flat Top A2 Front Sight Black 55BE1F0
76158
$531.68
IN STOCK at Warehouses
10,11,12,2,3,4,6
AR-15 Complete M4 Upper 5.56 NATO Nitride Treated 1x7  Twist Barrel  F  Marked Front Sight Tower Complete Bolt Charging Handle
ARR-649
$499.97
IN STOCK at Warehouse
1
AR-15 Double Star Upper 16  5.56mm H-Bar Barreled Upper Cerro Forged 1:9  Twist No BCG or Charging Handle
8-DSC-101
$349.78
IN STOCK at Warehouses
1,8
Advanced Armament Corp 5.56NATO/.223 Rem Upper Receiver 16  Barrel Quad Rail Black 102780
2-AACO102780
$954.68
IN STOCK at Warehouses
2,3,4
Advanced Armament Corp 5.56NATO/.223 Rem Upper Receiver 16  Barrel Quad Rail Black 102780
3-0406515
$979.03
IN STOCK at Warehouses
2,3,4
Advanced Armament Corp 5.56NATO/.223 Rem Upper Receiver 16  Barrel Quad Rail Black 102780
92694
$974.16
IN STOCK at Warehouses
2,3,4
Advanced Armament Corp .300 AAC Blackout Upper Receiver 12.5  Barrel Quad Rail Black 102129
92693
$974.16
IN STOCK at Warehouse
4
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
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
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
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 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
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
Spikes Tactical AR-15 M4 LE Complete Upper with Mil-Spec BCG 16  Barrel 7  SAR Rail Carbine Length Gas System Black STU5025-S7S
2-SPKSTU5025-S7S
$743.53
IN STOCK at Warehouse
2
Spikes Tactical AR-15 M4 LE Complete Upper with Mil-Spec BCG 16  Barrel 12  SAR Rail Carbine Length Gas System Black STU5025-S2S
2-SPKSTU5025-S2S
$774.77
IN STOCK at Warehouse
2
AR-15 5.56 Complete Southpaw Flat Top Upper Carbine 1x9  M4 Barrel Railed Gas Block Standard Handguards
ARR-640
$499.97
IN STOCK at Warehouse
1
Adams Arms 5.56 NATO Base Upper 16  Barrel Piston System M4 Handguards Black
3-0406467
$719.33
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms 5.56 NATO Base Upper 16  Barrel Piston System M4 Handguards Black
6-0406467
$719.33
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms 5.56 NATO Base Upper 16  Barrel Piston System M4 Handguards Black
8-ADAMS-UA16CB556
$719.33
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms 5.56 NATO Base Upper 16  Barrel Piston System M4 Handguards Black
11-0406467
$719.33
IN STOCK at Warehouses
11,2,3,6,8
Adams Arms 5.56 NATO Base Upper 16  Barrel Piston System M4 Handguards Black
2-ADAUA-16-C-B-556
$719.33
IN STOCK at Warehouses
11,2,3,6,8
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
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
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
Windham Weaponry Varmint Exterminator AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 20  416R Stainless Steel Fluted Barrel Free Float Tube Black UR20FSSFTVB
84214
$718.44
IN STOCK at Warehouses
4,8
Windham Weaponry Varmint Exterminator AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 20  416R Stainless Steel Fluted Barrel Free Float Tube Black UR20FSSFTVB
8-WW-UR20FSSFTVB
$716.45
IN STOCK at Warehouses
4,8
Bushmaster AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 20  Heavy Chrome Lined Barrel A2 Sights Fixed Carry Handle Black
3-0409314
$541.17
IN STOCK at Warehouses
3,4
Bushmaster AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 20  Heavy Chrome Lined Barrel A2 Sights Fixed Carry Handle Black
79124
$509.52
IN STOCK at Warehouses
3,4
RGuns AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Receiver A2 Front Sight Black
7-M4CU
$448.44
IN STOCK at Warehouse
7
DPMS 3G2 Complete Upper BA-3G2
ARR-991
$719.97
IN STOCK at Warehouse
1
Chiappa M4-22 Conversion Complete Upper Assembly .22 Long Rifle 16  M4 Barrel 28 Rounds Flat Top Black M4-22LR UPPER
7-M422UPPER
$295.83
IN STOCK at Warehouses
10,11,12,2,3,4,6,7,8
 
 
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