AT3 Tactical
AT3 Tactical
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Black AR-15 Lower Receiver Parts

Black AR-15 lower parts kits for finishing out your lower receiver. AT3 uses parts that meet or exceed mil-spec in all the LPKs we offer.

166 products
10% off

Timber Creek Outdoors Extended Magazine Release – AR-EMR
8 options
(21)
$15.99from $14.39
In stock

Phase 5 Weapon Systems AR-15 Extended Bolt Release V3
3 options
(14)
from $54.99
In stock
Up to 25% off

AT3™ Mil-Spec AR-15 Safety Selector – 9 Colors Available
+19 options
(14)
$9.99from $8.49
In stock
Odin Works XMR3 Extended Magazine Release - Gen 3

Odin Works XMR3 AR-15 Extended Magazine Release – Gen 3
5 options
(17)
from $22.80
In stock

Timber Creek Outdoors Small Parts Pack – Ambi Safety, Extended Mag Release, and Takedown Pins
8 options
(29)
from $69.99
In stock

Timber Creek Outdoors AR Oversized Trigger Guard – AR-OTG
RECOMMENDED
8 options
(21)
from $19.19
In stock
AT3 Tactical Pistol Grip Screw for AR-15

AT3™ Mil-Spec AR-15 Pistol Grip Screw
(11)
$1.49
In stock
AT3 Tactical Enhanced Lower Parts Kit with Nickel Teflon Trigger - Curved - Black

AT3™ Enhanced Lower Parts Kit with Nickel Teflon Trigger and Magpul MOE Grip for AR-15
8 options
(27)
from $118.49
In stock

Ruger AR-15 Lower Parts Kit – GI Trigger & A2 Pistol Grip
NEW
$74.99
In stock

Strike Industries Ultra Light Takedown Pins for AR-15
4 options
(7)
from $14.95
In stock

AT3 Tactical AR-15 Safety Selector Assembly with Spring and Detent
+19 options
(14)
from $11.49
In stock

Armaspec SFT45/90 Ambi AR-15 Safety Selector – ARM113
6 options
(5)
from $40.49
In stock

Strike Industries Ambi AR-15 Magazine Release
4 options
(12)
from $37.95
In stock
STNGR Ambidextrous AR-15 Lower Parts Kit - Ambi Mag Release and Safety

STNGR Ambidextrous AR-15 Lower Parts Kit
(2)
$90.99
In stock
Yankee Hill Machine EZ Pull AR15 Takedown Pins

Yankee Hill Machine EZ Pull AR-15 Takedown Pins
(7)
$24.75
In stock
Magpul Enhanced Selector Kit AR15 Ambi Safety

Magpul ESK Enhanced Selector Kit – AR-15 Ambi Safety
2 options
(4)
from $47.45
In stock
Up to 12% off

Timber Creek Outdoors AR Pivot and Takedown Pin Set – AR-TPS
8 options
(11)
$15.99from $14.07
In stock
Armaspec AR-15 Superlight Gun Builders Kit

Armaspec AR-15 Superlight Gun Builders Kit – ARM251
5 options
(5)
from $71.99
In stock
CMMG AR-15 Ambidextrous Magazine Catch

CMMG AR-15 Ambidextrous Magazine Catch
2 options
(13)
from $38.99
In stock
Up to 10% offSkip to the end of the images gallery Skip to the beginning of the images gallery Geissele Ultra Duty® Lower Parts Kit, Black. No Grip

Geissele Ultra Duty AR-15 Lower Parts Kit
2 options
(2)
$153.00from $137.70
In stock

Magpul Enhanced AR-15 Magazine Release – MAG568
(2)
$18.95
In stock

Radian Weapons Raptor-LT + Talon Combo – Charging Handle & Safety Selector Kit
(3)
$129.95
In stock

Armaspec Gun Builder’s Stainless AR-10 Lower Parts Kit
3 options
from $86.39
In stock
KNS Precision Generation 2 Trigger Group Pins

KNS Precision Generation 2 Trigger Group Pins
4 options
(18)
from $29.00
In stock
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