BCM AR-15 Upper Receiver Assembly

Assembled Upper Receivers

Assembled AR15 and AR10 Upper Receivers come with all the little parts installed and only need drop-in parts such as a Bolt Carrier Group and Charging Handle to be range ready. Billet, Forged, Ambidextrous and More on AT3 Tactical.

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AT3™ 16 Inch .300 BLK Complete AR-15 Upper - .300 AAC Blackout 16 Inch Ballistic Advantage Barrel - With Nickel Boron BCG and Mil-Spec CH

AT3™ .300 BLK 16″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle
$572.99
Only
$487.04
Out of Stock
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Sale!
AT3™ 10.5 Inch .300 Blackout Pistol Upper for AR-15 - With Nickel Boron BCG and Mil-Spec CH

AT3™ 10.5 Inch .300 Blackout Complete Assembled Pistol Upper for AR-15 – With Nickel Boron BCG and Mil-Spec CH
$536.97
Only
$456.42
Out of Stock
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DAILY DEAL
AT3™ 22LR 16″ Assembled Upper – 2A Basics ASAL 15" Handguard – with BCG/Charging Handle

AT3™ 22LR 16″ Assembled Upper – 2A Basics ASAL 15″ Handguard – with BCG/Charging Handle

Save 15%

$523.99
Only
$445.39
Out of Stock
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Sale!
AT3™ 10.5 Inch Complete AR-15 Pistol Upper - 10.5 Inch Faxon .223/5.56 SOCOM Barrel - With Nickel Boron BCG and Mil-Spec CH

AT3™ .223/5.56 10.5″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle
$516.99
Only
$439.44
Out of Stock
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DAILY DEAL
AT3™ 22LR 16″ Assembled Upper – 2A Basics ASAL 15" Handguard – with BCG/Charging Handle/Magazine

AT3™ 22LR 16″ Assembled Upper – 2A Basics ASAL 15″ Handguard – with BCG/Charging Handle/Magazine

Save 15%

$544.99
Only
$463.24
Out of Stock
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RECOMMENDED
Sale!
AT3 Slick Side Billet Upper Receiver - 7 Colors Available
(132)

AT3™ Slick Side Upper | Billet Upper Receiver for AR-15
8 Options
from $89.99
from $76.49
Out of Stock
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(21)

SOTA Arms Assembled Mil-Spec AR-15 Upper Receiver
Only
$45.00
Out of Stock
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Sale!
Black Upper with BCG
(11)

AT3™ Slick Side AR-15 Upper with Black Nitride 5.56 Bolt Carrier Group
7 Options
from $171.98
from $146.18
Out of Stock
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Sale!
Slick Side Upper with Ambi Charging Handle and Bolt Carrier Group
(2)

AT3™ Slick Side Upper with Bolt Carrier Group and Breek Arms Warhammer Charging Handle
10 Options
from $219.93
from $186.94
Out of Stock
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Sale!
AT3 Tactical 10.5 Inch 300 BLK Complete AR-15 Upper Assembly - No BCG or Charging Handle
(13)

AT3™ 10.5 Inch .300 Blackout Assembled Pistol Upper for AR-15 – No BCG/CH
8 Options
from $391.99
from $333.19
Out of Stock
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STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - HWK Handguard, Black
(2)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ HWK® Handguard, BCG & CH
3 Options
from $499.99
Out of Stock
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Sale!
AT3 Tactical Rifle Kit with Lightweight Barrel FDE
(7)

AT3™ Complete M-LOK AR-15 Rifle Kit with 16 Inch Pencil Barrel
3 Options
from $597.99
from $508.29
Out of Stock
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Sale!
AT3™ Forged AR-15 Upper Receiver Kit - Includes Matching Forward Assist & Dust Cover Assemblies

AT3™ Forged AR-15 Upper Receiver Kit – Includes Matching Forward Assist & Dust Cover Assemblies
7 Options
from $111.99
from $95.19
Out of Stock
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RECOMMENDED
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - RPTR Handguard, Black
(1)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ RPTR® Handguard, BCG & CH
3 Options
from $499.99
Out of Stock
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STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH
3 Options
from $661.99
Out of Stock
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Sale!
AT3 Tactical 10.5 Inch 9mm Complete AR-15 Upper Assembly - No BCG or Charging Handle copy
(3)

AT3™ 10.5 Inch Assembled PCC AR-15 Upper – 9mm 10.5 Inch Faxon Firearms Barrel – No BCG/CH
8 Options
from $315.99
from $268.59
Out of Stock
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Sale!

AT3™ 16″ .22LR Complete Assembled Upper with BCG and Charging Handle
8 Options
from $499.99
from $424.99
Out of Stock
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Sale!
AT3 Tactical Complete .350 Legend AR-15 Upper Receiver - No BCG or CH - Black

AT3™ Assembled AR-15 Upper – .350 Legend Faxon Barrel – No BCG or CH
8 Options
from $422.99
from $359.54
Out of Stock
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Sale!
AT3™ FF-ML 16 Inch .300 BLK Complete Upper - .300 AAC Blackout 16 Inch Ballistic Advantage Barrel - 15" M-LOK Free Float Handguard
(7)

AT3™ 16 Inch .300 BLK Assembled AR-15 Upper – 16 Inch Ballistic Advantage Barrel – No BCG/CH
8 Options
from $413.99
from $351.89
Out of Stock
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RECOMMENDED
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VYPR Handguard, Black

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VYPR® Handguard, BCG & CH
3 Options
from $499.99
Out of Stock
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Sale!
AT3™ FF-ML 10.5 Inch Complete Pistol Upper - Faxon Firearms 10.5 Inch .223/5.56 Barrel - 9" M-LOK Free Float Handguard
(8)

AT3™ 10.5 Inch Assembled AR-15 Pistol Upper – 10.5 Inch Faxon .223/5.56 SOCOM Barrel – No BCG/CH
24 Options
from $357.99
from $304.29
Out of Stock
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Daniel Defense M4A1 URG 14.5 Inch Pinned and Welded Complete 5.56 AR-15 Upper Receiver - AT3 Tactical

Daniel Defense M4A1 URG 14.5 Inch Pinned and Welded Complete Assembled 5.56 AR-15 Upper Receiver
Only
$1,544.00
Out of Stock
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Luth-AR Forged A2 Assembled AR-15 Upper Receiver
(1)

Luth-AR Forged A2 Assembled AR-15 Upper Receiver
Only
$202.05
Out of Stock
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Sale!
AT3 Complete .223 Wylde Match Grade Upper Faxon Heavy Fluted Barrel
(3)

AT3™ Assembled Match Grade AR-15 Upper – .223 Wylde 16 Inch Faxon Firearms Barrel – No BCG/CH
24 Options
from $501.99
from $426.69
Out of Stock
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