AR-15 Builder Sale Ends Tonight | Shop Now

AR-15 Builder Sale Ends Tonight | Shop Now

New Arrivals at AT3: AR-15 Parts, Optics & Gear

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 READ MORE

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Sale!

AT3 10.5" 5.56 NATO w/ 9" Quad Rail AR-15 JNL Ready Build Kit

AT3 10.5″ 5.56 NATO w/ 9″ Quad Rail AR-15 JNL Ready Build Kit

Sale!

AT3™ 22LR 16″ Assembled Forged Upper – 2A Basics ASAL 15" Handguard – with BCG/Charging Handle

AT3™ 22LR 16″ Assembled Forged Upper – 2A Basics ASAL 15″ Handguard – with BCG/Charging Handle

Sale!

AT3™ 22LR 16" Barrel Kit - 16" Pencil 22LR Barrel - Dedicated 22LR BCG - 25rd Black Dog 22LR Magazine

AT3™ 22LR 16″ Barrel Kit – 16″ Pencil 22LR Barrel – Dedicated 22LR BCG – 25rd Black Dog 22LR Magazine

Sale!

DoubleStar AR15 Lower Parts Kit - .223 Rem / 5.56 NATO

DoubleStar AR15 Lower Parts Kit – .223 Rem / 5.56 NATO

Sale!

AT3™ .300BLK 16″ Assembled Forged Upper – 2A Basics ASAL 15" Handguard – No BCG/Charging Handle

AT3™ .300BLK 16″ Assembled Forged Upper – 2A Basics ASAL 15″ Handguard – No BCG/Charging Handle

Sale!

AT3™ 7.62x39mm 16″ Assembled Forged Upper – 2A Basics ASAL 15" Handguard – No BCG/Charging Handle

AT3™ 7.62x39mm 16″ Assembled Forged Upper – 2A Basics ASAL 15″ Handguard – No BCG/Charging Handle

Sale!

DoubleStar AR-15 Field Repair Kit - Includes Parts Most Likely to Break or Wear

DoubleStar AR-15 Field Repair Kit – Includes Parts Most Likely to Break or Wear

Sale!

AT3™ 9MM 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle - w/Sylvan Magazine Block

AT3™ 9MM 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle – w/Sylvan Magazine Block

Sale!

Breakthrough Clean Technologies SHIELD Rifle and Shotgun Cleaning Mat – 35.88 x 11.88 Inches

Sale!

Breakthrough Clean Technologies AR-15 Lower Vise Block w/ Pivot Lock

Sale!

Breakthrough Clean Technologies 3-in-1 Tool for Glock Models – Magazine, Front Sight and Pin Removal Tool

Sale!

Breakthrough Clean Technologies Vision Series Pistol Caliber Carbine Cleaning Kit – .38/.40/.45 Caliber

Sale!

AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block, Gas Tube & BCG

Sale!

AT3 Tactical Ambi AR-15 Lower Build Kit - No Stock

AT3 Tactical Ambi AR-15 Lower Build Kit – No Stock

Sale!

Rise Armament AR-15 Lower Parts Kit - No Grip - No Trigger Guard - Black

Rise Armament AR-15 Lower Parts Kit – No Grip – No Trigger Guard – Black

Apex Action Enhancement Trigger & Duty/Carry Kit for the M&P Shield 2.0 – Black

Sale!

Athlon Optics Rangecraft Velocity PRO Radar Chronograph – 2.4″ Display – 65-5,000FPS – .17 -50″ Diameter

Sale!

AT3™ 6.5 Grendel 20″ Assembled Forged Upper – 2A Basics ASAL 15" Handguard – No BCG/Charging Handle - Faxon Barrel

AT3™ 6.5 Grendel 20″ Assembled Forged Upper – 2A Basics ASAL 15″ Handguard – No BCG/Charging Handle – Faxon Barrel

Sale!

AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block & Gas Tube

Sale!

AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

Sale!

AT3 Tactical Minimalist AR-15 Lower Build Kit

AT3 Tactical Minimalist AR-15 Lower Build Kit

Sale!

AT3 Barrel Builder Kit – 7.5″ .300 Blackout Medium Profile Pistol Length Barrel, Gas Block, Gas Tube & BCG

Sale!

AT3 Tactical LR AR-15 Lower Build Kit - Luth-AR Furniture

AT3 Tactical LR AR-15 Lower Build Kit – Luth-AR Furniture

Sale!

AT3™ 16″ .22LR Complete Assembled Forged Upper with BCG and Charging Handle - 8 Colors

AT3™ 16″ .22LR Complete Assembled Forged Upper with BCG and Charging Handle – 8 Colors

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!