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

Showing 1–24 of 56 results

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RECOMMENDED
Sale!
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
from $399.99
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RECOMMENDED
Sale!
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
from $399.99
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Sale!
Includes everything you need but a lower receiver!
(5)

TacFire RK556 Unassembled AR-15 Complete Rifle Kit
$410.99
Only
$349.34
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Sale!
Radical Firearms 16" 5.56 NATO Complete Upper Receiver with M-LOK Handguard - AT3 Tactical
(1)

Radical Firearms 16″ 5.56 NATO Complete Assembled AR-15 Upper Receiver with M-LOK Handguard
$383.99
Only
$326.39
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Sale!
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
from $424.99
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RECOMMENDED
Sale!
STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VLCN Handguard, Black
(1)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VLCN® Handguard, BCG & CH
3 Options
from $499.99
from $424.99
View Product
Sale!
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 $523.15
from $444.68
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Sale!
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 $523.15
from $444.68
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Sale!
STNGR HWK Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch HWK® Handguard, BCG & CH
3 Options
from $499.99
from $424.99
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Sale!
STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH - 3 Colors

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH – 3 Colors
3 Options
from $499.99
from $424.99
View Product
Sale!
STNGR RPTR Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black
(1)

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch RPTR® Handguard, BCG & CH
3 Options
from $499.99
from $424.99
View Product
Sale!
STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10.5 Inch VLCN® Handguard, BCG & CH
3 Options
from $499.99
from $424.99
View Product
Sale!
STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Can - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 12.5 Inch VLCN® Handguard, BCG & CH
3 Options
from $499.99
from $424.99
View Product
Sale!
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
from $562.69
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Sale!
AT3 Tactical Rifle Kit with Lightweight Barrel FDE
(7)

AT3 Tactical 16″ 5.56 NATO Pencil Barrel AR-15 JNL Ready Build Kit – M-LOK / Magpul CTR
3 Options
from $715.67
from $608.32
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RECOMMENDED
AT3 Tactical AT-15 M-LOK Builder Set - Lower, Upper, and SPEAR M-LOK Handguard
(9)

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote
25 Options
from $260.99
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RECOMMENDED
AT3 Tactical AT-15 Quad Rail Builder Set - Lower, Upper, and Pro Quad Rail Handguard
(6)

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote
32 Options
from $264.99
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AT3 AR-15 Billet Upper and M-LOK Handguard with Cerakote Finishes - 7 Colors
(164)

AT3™ AR-15 Upper Receiver and SPEAR Handguard Combo
24 Options
from $169.99
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AT3 Tactical Billet Upper and Pro Quad Rail AR-15 Handguard Combo with Cerakote Finishes
(19)

AT3™ AR-15 Upper Receiver and Pro Quad Rail Handguard Combo
32 Options
from $179.99
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AT3™ FF-ML 11.5" Complete Pistol Upper - .223/5.56 11.5" Ballistic Advantage Barrel - 12" M-LOK Free Float Handguard
(25)

AT3™ 11.5″ Assembled AR-15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel – No BCG/CH
8 Options
from $374.99
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NEW
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
Only
$150.22
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NEW
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
Only
$219.61
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NEW
AT3 Barrel Builder Kit – 16″ 5.56 NATO Pencil Profile Mid-Length Barrel, Gas Block, Gas Tube & BCG

AT3 Barrel Builder Kit – 16″ 5.56 NATO Pencil Profile Mid-Length Barrel, Gas Block, Gas Tube & BCG
Only
$219.61
View Product
NEW
AT3 Barrel Builder Kit – 16″ 5.56 NATO Pencil Profile Mid-Length Barrel, Gas Block & Gas Tube

AT3 Barrel Builder Kit – 16″ 5.56 NATO Pencil Profile Mid-Length Barrel, Gas Block & Gas Tube
Only
$149.91
View Product
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