AT3 Tactical AR-15 Barrels
If you’re going to sling lead, you need good steel to do it! That’s exactly what we’re offering with our new line of barrels at AT3 Tactical, now available in the most popular lengths for 5.56 and .300 Blackout. These barrels are naturally USA made, feature 4150 CMV steel construction, and a hard, slick black nitride finish. All coming in at a price that won’t break the bank, with quality on par with some of the biggest names in the AR-15 barrel game.
- .223/5.56 (527)
- 9mm (385)
- .300 Blackout (138)
- .22LR (76)
- 7.62x39 (43)
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AT3™Sale!
AT3™ 5.56 NATO Government Profile 11.5 Inch AR-15 Barrel
11.5 Inch Government 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 11.5-inch 5.56 NATO barrel features a carbine-length gas system for smoother recoil. This...$112.50Only$95.63 -
AT3™Sale!
AT3™ 9mm Straight Profile 8.3 Inch AR-15 Barrel
Precision Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 8.3" barrel from AT3™. Crafted from premium 4150 CrMoV...$85.00Only$72.25 -
AT3™Sale!
AT3™ 5.56 NATO Medium Profile 7.5 Inch AR-15 Barrel
7.5 Inch Medium 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 7.5-inch 5.56 NATO barrel features a pistol-length gas system for smoother recoil. This...$105.00Only$89.25 -
AT3™Sale!
AT3™ 300 Blackout Medium Profile 7.5 Inch AR-15 Barrel
7.5 Inch .300 Blackout Barrel by AT3 Tactical This 7.5-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV...$105.00Only$89.25 -
AT3™Sale!
AT3™ 300 Blackout Medium Profile 6 Inch AR-15 Barrel
6 Inch .300 Blackout Barrel by AT3 Tactical This 6-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV...$100.00Only$85.00 -
AT3™Sale!
AT3™ 9mm Straight Profile 16 Inch AR-15 Barrel
Powerful Pistol Caliber Performance in a Carbine Package Bring the versatility of 9mm to your AR build with this straight profile 16" barrel from AT3™. Crafted from premium 4150 CrMoV...$105.00Only$89.25 -
AT3™Sale!
AT3™ .22LR Pencil Profile 16 Inch AR-15 Barrel
Precision Rimfire Performance in a Carbine Package Bring the versatility of .22LR to your AR build with this Pencil Profile 16" barrel from AT3™. Crafted from premium 4150 CrMoV steel...$150.00Only$127.50 -
AT3™Sale!
AT3™ 300 Blackout Medium Profile 14.5 Inch AR-15 Barrel
14.5 Inch .300 Blackout Barrel by AT3 Tactical This 14.5-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV...$130.00Only$110.50 -
AT3™Sale!
AT3™ 5.56 NATO Government Profile 14.5 Inch AR-15 Barrel
14.5 Inch Government 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 14.5 inch 5.56 NATO barrel features a midlength gas system for smoother recoil....$125.00Only$106.25 -
AT3™Sale!
AT3™ 9mm Straight Profile 4.5 Inch AR-15 Barrel
Precision Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 4.5" barrel from AT3™. Crafted from premium 4150 CrMoV...$72.50Only$61.63 -
AT3™Sale!
AT3™ 5.56 NATO Pencil Profile 14.5 Inch AR-15 Barrel
14.5 Inch Pencil 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 14.5 inch 5.56 NATO barrel features a midlength gas system for smoother recoil....$125.00Only$106.25 -
AT3™Sale!
AT3™ 5.56 NATO Pencil Profile 13.9 Inch AR-15 Barrel
13.9 Inch Pencil 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 13.9-inch 5.56 NATO barrel features a midlength gas system for smoother recoil. This...$125.00Only$106.25 -
AT3™Sale!
AT3™ .22LR Tapered Profile 9 Inch AR-15 Barrel
Precision Rimfire Performance in a Compact Package Bring the versatility of .22LR to your AR build with this tapered 9" barrel from AT3™. Crafted from premium 4150 CrMoV steel per...$112.50Only$95.63 -
AT3™Sale!
AT3™ .22LR Tapered Profile 4.5 Inch AR-15 Barrel
Precision Rimfire Performance in a Compact Package Bring the versatility of .22LR to your AR build with this tapered 4.5" barrel from AT3™. Crafted from premium 4150 CrMoV steel...$87.50Only$74.38 -
AT3™Sale!
AT3™ 7.62×39 Medium Profile 16 Inch AR-15 Barrel
16 Inch 7.62x39 Barrel by AT3 Tactical This 16-inch 7.62x39 Barrel makes a great choice for your hybrid AR-15 builds. Made from 4150 CMV steel per Mil-B-11595E, and finished with...$130.00Only$110.50 -
AT3™Sale!
AT3™ 9mm Straight Profile 11 Inch AR-15 Barrel
Powerful Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 11" barrel from AT3™. Crafted from premium 4150 CrMoV...$90.00Only$76.50 -
AT3™Sale!
AT3™ 5.56 NATO Government Profile 16 Inch AR-15 Barrel
16 Inch Government 5.56 NATO Barrel by AT3 Tactical With a sturdy profile and proven construction, this 16 inch 5.56 NATO barrel features a midlength gas system for smoother recoil....$125.00Only$106.25 -
AT3™Sale!
AT3™ .300 Blackout Medium Profile 10.5 Inch AR-15 Barrel
10.5 Inch .300 Blackout Barrel by AT3 Tactical This 10.5 Inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150...$112.50Only$95.63 -
AT3™Sale!
AT3™ 5.56 NATO Pencil Profile 16 Inch AR-15 Barrel
16 Inch Pencil 5.56 NATO Barrel by AT3 Tactical Upgrade your AR-15 with a 16 inch pencil barrel to improve your handling and save on weight. While the pencil profile...$125.00Only$106.25 -
AT3™Sale!
AT3™ .300 Blackout Medium Profile 16 Inch AR-15 Barrel
16 Inch .300 Blackout Barrel by AT3 Tactical A 16 inch .300 Blackout barrel makes swapping to a heavier hitting cartridge in your favorite rifle simple. This 4150 CMV barrel... -
AT3™Sale!
AT3™ 5.56 NATO Government Profile 10.5 Inch AR-15 Barrel
10.5 Inch 5.56 NATO Barrel by AT3 Tactical This 10.5 inch long 5.56 NATO barrel is a perfect match for a shorty AR-15 build that won't break the bank. This...$112.50Only$95.63
If you’re going to sling lead, you need good steel to do it! That’s exactly what we’re offering with our new line of barrels at AT3 Tactical, now available in the most popular lengths for 5.56 and .300 Blackout. These barrels are naturally USA made, feature 4150 CMV steel construction, and a hard, slick black nitride finish. All coming in at a price that won’t break the bank, with quality on par with some of the biggest names in the AR-15 barrel game.
Like many other great AT3 products, these barrels come with a lifetime warranty against defects. In the unlikely event you have an issue, we’ll take care of you.