Final Hours to Save on Upgrades | Shop Now

Final Hours to Save on Upgrades | Shop Now

New AR-15 Upgrades, Gun Parts, and Complete Firearms

We are consistently adding new products!

AT3 Tactical offers a wide range of top-rated AR 15 parts and tactical accessories. Build your ultimate AR-15 with our great selection of AR-15 scopes, AR-15 magazines, handguards & quad rails, best red dot sights, lower parts kit, iron sights, upper receiver, AR barrels, and more! We also carry AR-15 accessories from the top brands like Magpul, Aero & more!

4510 products

Rise Armament Rev 535 3.5lb Single-Stage AR-15 Trigger w/ Slide-and-Snap Anti-Walk Pins - 3 Colors

Rise Armament Rev 535 3.5lb Single-Stage AR-15 Trigger w/ Slide-and-Snap Anti-Walk Pins – 3 Colors

3 options

UTG M-LOK Angled Index Mount Thumb Rest - Black

UTG Angled Index Mount Thumb Rest – M-LOK – Clearance Adjustable

(5)

AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

Magpul MS1 Sling | 1 or 2 point for AR-15 – MAG513

Magpul MS1 Sling | 1 or 2 point for AR-15 – MAG513

4 options

(38)

Duramag AR-15 Stainless Steel Magazine 30 Round – 7.62×39

Duramag 7.62×39 AR-15 Magazine – Stainless Steel – 30 Round

(13)

Ultradyne USA Apollo Muzzle Brake - 1/2x28 Thread for 5.56/.223 - AT3 Tactical

Ultradyne USA Apollo Max Muzzle Brakes for AR-15 and AR-10 – Multiple Threads & Calibers

3 options

(7)

20% off

Strike Industries V2 M-LOK Rail Covers – 5 Pack

DAILY DEAL

2 options

(2)

Armaspec SFT45/90 Ambi AR-15 Safety Selector – ARM113

6 options

(5)

Keystone Sporting Arms Crickett Precision Rifle Gen 2 .22 LR 16.125" Bolt Action Rifle - Single Shot - Black - Bipod & 4x28 Scope

Keystone Sporting Arms Crickett Precision Rifle Gen 2 .22 LR 16.125″ Bolt Action Rifle – Single Shot – Black – Bipod & 4×28 Scope

NEW

AT3™ Black Nitride 5.56 Bolt Carrier Group with AT3™ Standard GI AR-15 Charging Handle

AT3™ Black Nitride 5.56 Bolt Carrier Group with AT3™ Standard GI AR-15 Charging Handle

(1)

VLCN M-Lok Free Float Handguard 15" - AR15/M4

STNGR VLCN® Free Float AR-15 Handguard – M-LOK – 3 Lengths & Colors

9 options

(2)

AT3™ Mil-Spec AR-15 Bolt Catch Spring

AT3™ Mil-Spec AR-15 Bolt Catch Spring

(5)

UTG Pro Recon 360 TL M-LOK Bipod - AT3 Tactical

UTG Recon 360 TL M-LOK Bipod

3 options

(18)

Bear Creek Arsenal 6.5 Grendel Type II AR-15 Bolt Carrier Group – Nitride

(3)

Duramag AR-15 Stainless Steel Magazine 10 Round – 7.62×39

Duramag 7.62×39 AR-15 Magazine – Stainless Steel – 10 Round

(17)

Strike Industries Ambi AR-15 Magazine Release

4 options

(12)

AT3 Tactical 10.5 Inch 300 BLK Complete AR-15 Upper Assembly - No BCG or Charging Handle

AT3™ 10.5 Inch .300 Blackout Assembled Pistol Upper for AR-15 – No BCG/CH

8 options

(13)

HIWIZ AT3 Sticker Pack - 4x Stickers

AT3 Tactical Limited Edition Sticker Pack #3 – by @HIWEZ

(6)

AT3 Tactical Limited Edition Sticker Pack Bundle – Packs #1-5

NEW

GrovTec Heavy Duty Push Button QD Sling Swivel Set

3 options

(4)

Magpul PMAG M3 10/30 Round – .223/5.56 – MAG1183 - AT3 Tactical

Magpul PMAG 10/30 M3 .223/5.56 AR-15 Magazine – 10 Round

(6)

Magpul STR Carbine Stock - Mil Spec AR-15 - MAG470

Magpul STR Carbine Stock – Mil Spec AR-15 – MAG470

4 options

(11)

Armaspec SRS Enhanced Buffer Tube Kit GEN 4 – Multiple Buffer Weights

5 options

(2)

Rosco Manufacturing Bloodline 16 Inch Midlength Barrel - 5.56 NATO

Rosco Manufacturing Bloodline Barrel – 16 Inch – 5.56 NATO – Government Profile – Mid-length

(8)