AT3 Tactical
AT3 Tactical
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Complete Upper Assemblies - .223/5.56

61 products
2A Basics 5.56 NATO .223 Rem 16 Inch Complete AR-15 Upper Receiver - No BCG or Charging Handle

AT3™ 5.56 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle
(2)
$345.99
In stock
AT3 Tactical 16 Inch 5.56 NATO Lightweight Complete AR-15 Upper Assembly - No BCG or Charging Handle

AT3™ Assembled AR-15 Upper – .223/5.56 16″ Ballistic Advantage Barrel – No BCG/CH
16 options
(10)
from $398.99
In stock
AT3 Tactical Rifle Kit with Lightweight Barrel FDE

AT3 Tactical 16″ 5.56 NATO Pencil Barrel AR-15 JNL Ready Build Kit – M-LOK / Magpul CTR
3 options
(7)
from $727.49
In stock
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - HWK Handguard, Black

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ HWK® Handguard, BCG & CH
3 options
(2)
from $533.99
In stock
AT3™ FF-ML 10.5 Inch Complete Pistol Upper - Faxon Firearms 10.5 Inch .223/5.56 Barrel - 9" M-LOK Free Float Handguard

AT3™ 10.5 Inch Assembled AR-15 Pistol Upper – 10.5 Inch Faxon .223/5.56 SOCOM Barrel – No BCG/CH
24 options
(8)
from $369.99
In stock
AT3™ Assembled Pistol Upper for AR-15 - 5.56 NATO - 10.5" Barrel - 12" Handguard - No BCG/CH

AT3™ Assembled Pistol Upper for AR-15 – 5.56 NATO – 10.5″ Barrel – 12″ Handguard – No BCG/CH – 3 Colors
3 options
from $402.49
In stock
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - RPTR Handguard, Black

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ RPTR® Handguard, BCG & CH
RECOMMENDED
3 options
(1)
from $538.99
In stock
AT3 Complete .223 Wylde Match Grade Upper Faxon Heavy Fluted Barrel

AT3™ Assembled Match Grade AR-15 Upper – .223 Wylde 16 Inch Faxon Firearms Barrel – No BCG/CH
24 options
(4)
from $506.99
In stock
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
RECOMMENDED
3 options
(1)
from $529.99
In stock
AT3™ Complete Rifle AR-15 Upper - .223/5.56 16" Ballistic Advantage Barrel - With Nickel Boron BCG and Mil-Spec CH

AT3™ .223/5.56 16″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle
(2)
$555.99
In stock
AT3™ Assembled Forged Upper for AR-15 - 5.56 NATO - 16" Barrel - 15" Free Float Quadrail - No BCG/CH

AT3™ Assembled Forged Upper for AR-15 – 5.56 NATO – 16″ Barrel – 15″ Free Float Quadrail – No BCG/CH – 3 Colors
3 options
(1)
from $428.99
In stock
AT3™ Assembled Forged Upper for AR-15 - 5.56 NATO - 16" Barrel - 12.5" Free Float Quadrail - No BCG/CH

AT3™ Assembled Forged Upper for AR-15 – 5.56 NATO – 16″ Barrel – 12.5″ Free Float Quadrail – No BCG/CH – 3 Colors
3 options
from $421.99
In stock
AT3™Assembled Forged Pistol Upper for AR-15 - 5.56 NATO - 10.5" Barrel - 9" Free Float Quadrail - No BCG/CH - 3 Colors

AT3™Assembled Forged Pistol Upper for AR-15 – 5.56 NATO – 10.5″ Barrel – 9″ Free Float Quadrail – No BCG/CH – 3 Colors
3 options
from $406.99
In stock
Geissele Super Duty MOD1 14.5 Inch 5.56mm Complete AR-15 Upper

Geissele Super Duty MOD1 14.5 Inch 5.56mm Complete Assembled AR-15 Upper
2 options
from $1,325.00
In stock
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VLCN Handguard, Black

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VLCN® Handguard, BCG & CH
RECOMMENDED
3 options
(1)
from $570.99
In stock
STNGR HWK Complete 5.56 Pistol Upper with 12.5 Barrel and Flash Can - Black

STNGR 12.5 Inch 5.56 Complete Assembled Upper w/ 13.5 Inch HWK® Handguard, BCG & CH
3 options
from $584.49
In stock
AT3™ Assembled Forged Pistol Upper for AR-15 - 5.56 NATO - 10.5" Barrel - 12" Handguard - No BCG/CH - 3 Colors

AT3™ Assembled Forged Pistol Upper for AR-15 – 5.56 NATO – 10.5″ Barrel – 12″ Handguard – No BCG/CH – 3 Colors
3 options
from $421.99
In stock
Radical Firearms 16" 5.56 NATO Complete Upper Receiver with M-LOK Handguard - AT3 Tactical

Radical Firearms 16″ 5.56 NATO Complete Assembled AR-15 Upper Receiver with M-LOK Handguard
(1)
$383.99
In stock
AT3™ Assembled Upper for AR-15 - 5.56 NATO - 16" Barrel - 15" Free Float Quadrail - No BCG/CH - 3 Colors

AT3™ Assembled Upper for AR-15 – 5.56 NATO – 16″ Barrel – 15″ Free Float Quadrail – No BCG/CH – 3 Colors
3 options
(2)
from $409.49
In stock
AT3™Assembled Pistol Upper for AR-15 - 5.56 NATO - 10.5" Barrel - 9" Free Float Quadrail - No BCG/CH - 3 Colors

AT3™Assembled Pistol Upper for AR-15 – 5.56 NATO – 10.5″ Barrel – 9″ Free Float Quadrail – No BCG/CH – 3 Colors
3 options
from $387.49
In stock
STNGR RPTR Complete 5.56 Pistol Upper with 12.5 Barrel and Flash Can - Black

STNGR 12.5 Inch 5.56 Complete Assembled Upper w/ 13.5 Inch RPTR® Handguard, BCG & CH
3 options
from $588.49
In stock
STNGR VYPR Complete 5.56 Pistol Upper with 12.5 Barrel and Flash Can - Black

STNGR 12.5 Inch 5.56 Complete Assembled Upper w/ 13.5 Inch VYPR® Handguard, BCG & CH
3 options
from $579.49
In stock
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
$528.99
In stock
Daniel Defense DDM4V7 16 Inch Complete 5.56 AR-15 Upper Receiver - AT3 Tactical

Daniel Defense DDM4V7 16 Inch Complete Assembled 5.56 AR-15 Upper Receiver
$1,244.00
In stock
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