AT3 Tactical
AT3 Tactical
Fast, Free Shipping on Orders over $139
Have a question? AR-15 Experts Standing By
Over 19,000 5-Star Reviews

Few days left | Save up to 20% now | Click Here

Flat Dark Earth AR-15 Buffer Tube Parts

FDE buffer parts for your AR-15, including upgrades from AT3 and Timber Creek with tough Cerakote finish.

21 products

AT3™ Castle Nut for AR-15 Buffer Tubes – 9 Colors Available
+19 options
(105)
from $4.99
In stock

AT3™ Mil Spec AR-15 Buffer Tube – 9 Colors Available
+19 options
(129)
from $19.49
In stock

AT3™ Mil Spec End Plate for AR-15 – 9 Colors Available
+19 options
(36)
from $4.49
In stock

AT3™ Mil Spec Buffer Tube Kit For AR-15 – 9 Colors Available
+19 options
(93)
from $42.99
In stock
Timber Creek Outdoors Mil-Spec Cerakote Buffer Tube - FDE

Timber Creek Outdoors Mil-Spec AR-15 Buffer Tube
7 options
(32)
from $31.99
In stock

AT3 AR-15 Lower Build Kit – Magpul Stock and Grip, AT3 Lower Parts Kit and Buffer Assembly
3 options
(5)
from $225.49
In stock
UTG Pro Mil-Spec Buffer Tube 6-Position Receiver Extension

UTG Pro Mil-Spec AR-15 Buffer Tube 6-Position Receiver Extension
2 options
(43)
from $21.97
In stock

UTG Pro Six Position Mil-spec AR-15 Buffer Tube Kit
2 options
(3)
from $37.97
In stock

Strike Industries V2 Enhanced AR-15 Castle Nut with Extended QD Endplate
4 options
(4)
from $57.95
In stock
Fortis K1 Enhanced End Plate with Friction-Fit Castle Nut - AT3 Tactical

Fortis K1 Enhanced End Plate with Tapered Castle Nut for AR-15
7 options
(7)
from $37.95
In stock

Strike Industries Picatinny Stock Adapter for Bufferless AR-15 – 2 Colors
2 options
(1)
from $51.95
In stock
Armaspec Self-Retention "No Stake" Castle Nut and QD End Plate

Armaspec Self-Retention “No Stake” Castle Nut and QD End Plate
4 options
(1)
from $44.99
In stock

Strike Industries Multi-Function End Plate with Anti-Rotation Castle Nut
2 options
(2)
from $35.95
In stock
Armaspec QD End Plate

Armaspec QD End Plate
6 options
from $22.49
In stock
BCM GUNFTR STOCK KIT MOD0 SOPMOD FDE

Bravo Company Gunfighter MOD0 SOPMOD Stock Kit – Includes all Receiver Extension/Buffer Parts
RECOMMENDED
2 options
(3)
from $115.90
In stock

Strike Industries Short AR Pistol Buffer Tube Kit
4 options
from $69.95
In stock
Armaspec Self-Retention "No Stake" Castle Nut

Armaspec Self-Retention “No Stake” Castle Nut
4 options
(1)
from $26.99
In stock

Strike Industries Enhanced AR-15 Castle Nut with Extended QD Endplate
4 options
(2)
from $57.95
In stock

Strike Industries AR Carbine Length Pistol Buffer Tube
4 options
from $49.95
In stock

Open Box Return – AT3™ Castle Nut for AR-15 Buffer Tubes – 9 Colors Available – Black
OPEN BOX
$4.49
Out of stock

Fortis LA AR-15 Carbon Fiber Stock With Buffer Tube, Castle Nut, and Endplate
3 options
from $439.95
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