AT3 Tactical
AT3 Tactical
Fast, Free Shipping on Orders over $139
Quality Parts that Don't Break the Bank
4.8 Stars from 20.7K Reviews

Upper Receiver Kits

13 products
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™ Forged Upper Receiver and SPEAR Handguard Combo
21 options
(17)
from $190.99
In stock
AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
16 options
(1)
from $237.99
In stock
AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
16 options
(2)
from $229.99
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

AT3™ Forged AR-15 Upper Receiver and Pro Quad Rail Combo
28 options
(4)
from $203.99
In stock
STNGR Ultimate Handguard Bundle - HWK - 15 Inch - Black

STNGR Ultimate HWK® M-LOK Handguard Bundle
12 options
(3)
from $167.99
In stock
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 $111.49
In stock
STNGR Ultimate Handguard Bundle - VYPR - 15 Inch - Black

STNGR Ultimate VYPR® M-LOK Handguard Bundle
12 options
from $163.99
In stock
STNGR Ultimate Handguard Bundle - RPTR - 15 Inch - Black

STNGR Ultimate RPTR® M-LOK Handguard Bundle
12 options
from $173.99
In stock
STNGR Ultimate Handguard Bundle - VLCN - 15.5 Inch - Black

STNGR Ultimate VLCN® M-LOK Handguard Bundle
RECOMMENDED
9 options
(1)
from $173.99
In stock
20% offAT3 Forged Upper Assembled - Black

AT3™ Forged AR-15 Upper Receiver Assembly
NEW
7 options
$112.49from $89.99
In stock

Aero Precision X15 Receiver Set – AR-15 Lower Receiver with Assembled Upper Receiver
4 options
(2)
from $244.98
Out of stock
Popular:
handguardmagpulbuffer tubebcgcharging handleforegrippmagslingstockbuffer

Sign in

Orders, tracking, Gun Bucks and saved addresses.

New to AT3? Create an account

Create an account

Track orders, earn Gun Bucks on every purchase, check out faster.

8+ characters with at least one letter and one number.

By creating an account you agree to the Terms of Use and Privacy Policy.

Already have an account? Sign in

Your cart