AT3 Tactical
AT3 Tactical
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.223/5.56 AR-15 Build Kits and Assemblies

58 products
DoorbusterAT3 Tactical AT-15 M-LOK Builder Set - Lower, Upper, and SPEAR M-LOK Handguard

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote
RECOMMENDED
+125 options
(9)
$274.99from $259.19
In stock
AT3 Tactical AT-15 Quad Rail Builder Set - Lower, Upper, and Pro Quad Rail Handguard

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote
RECOMMENDED
32 options
(6)
from $287.99
In stock
AT3 AR-15 Billet Upper and M-LOK Handguard with Cerakote Finishes - 7 Colors

AT3™ AR-15 Upper Receiver and SPEAR Handguard Combo
24 options
(164)
from $174.99
In stock
AT3 Tactical Billet Upper and Pro Quad Rail AR-15 Handguard Combo with Cerakote Finishes

AT3™ AR-15 Upper Receiver and Pro Quad Rail Handguard Combo
32 options
(20)
from $187.99
In stock
10% offAT3 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)
$398.99from $381.59
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
AT3™ FF-ML 11.5" Complete Pistol Upper - .223/5.56 11.5" Ballistic Advantage Barrel - 12" M-LOK Free Float Handguard

AT3™ 11.5″ Assembled AR-15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel – No BCG/CH
8 options
(25)
from $385.49
In stock
DoorbusterSTNGR 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)
$533.99from $480.59
In stock
AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block & Gas Tube

AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block & Gas Tube
$148.49
In stock
10% offAT3™ 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)
$369.99from $365.39
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
10% offSTNGR 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)
$538.99from $485.09
In stock
10% offAT3 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)
$506.99from $493.19
In stock
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 $679.99
In stock
Includes everything you need but a lower receiver!

TacFire RK556 Unassembled AR-15 Complete Rifle Kit
(5)
$410.99
In stock
10% offSTNGR 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)
$529.99from $476.99
In stock
STNGR 14.5" 5.56 w/ 15" HWKXL AR-15 JNL Ready Build Kit

STNGR 14.5″ 5.56 w/ 15″ HWKXL AR-15 JNL Ready Build Kit
$718.99
Out of stock
AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block & Gas Tube

AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block & Gas Tube
$159.49
In stock
10% offAT3™ 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)
$428.99from $427.49
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
AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block, Gas Tube & BCG

AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block, Gas Tube & BCG
$228.99
In stock
AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block, Gas Tube & BCG

AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block, Gas Tube & BCG
$217.99
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
Popular:
handguardmagpulbuffer tubebcgcharging handleforegrippmagslingstockbuffer

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