Luth-AR Stainless Steel AR15 .223 Remington Fluted Bull Barrels

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Luth-AR Stainless Steel AR15 .223 Remington Fluted Bull Barrel

One of the best ways to improve the accuracy of your AR15 build is to install a quality barrel, and the Luth-AR .223 Rem Bull Barrels are a great option. These barrels are available in 16″, 18″, 20″, or 24″ lengths, and are fluted and made from 416 Stainless Steel.

The extra weight of the bull barrel helps minimize gun movement when firing, reduces barrel vibration, and takes longer to heat up, allowing for more shots on target before accuracy starts to deteriorate from rapid shooting.

Other features of these barrels include a threaded barrel with a thread pitch of 1/2 x 28, a gas block diameter of .936, and a gas port diameter of .097″ – .098″. The gas tube length varies depending on the barrel length, with the 16″ barrel featuring a carbine-length gas tube and the 18″, 20″, and 24″ barrels featuring a rifle-length gas tube.

The Luth-AR .223 Rem Bull Barrels also feature a 1:9 RH barrel twist, 6 lands and grooves, M4 feed ramps, and button-broached rifling. If you’re looking to improve the accuracy of your AR, the Luth-AR .223 Rem Bull Barrels are definitely worth considering.

Note: These barrels are chambered and stamped for .223 Remington only. They cannot be used with 5.56 NATO rounds due to the higher pressure.



  • Brand: Luth-AR
  • Model: Luth-AR Stainless Steel AR15 223/5.56 Fluted Bull Barrel
  • MPN: BL-B24FT, BL-B20FT, BL-B18FT, BL-B16FT
  • Length: 16″, 18″, 20″, and 24″
  • Barrel Twist: 1:9
  • Caliber: .223 Remington
  • Material: 416 Stainless Steel
  • Finish: Stainless

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Luth-AR Limited Warranty

  • Luth-AR, LLC manufactured products are warranted for 1 (one) year from the date of purchase against manufacturing defects in material and/or workmanship. All parts and labor or replacement, at our option, are covered.
  • Government fees, damage caused by failure to perform normal maintenance, sales outside the United States, damage due to high velocity, high pressure, reloaded, or other non-standard ammunition, or any unauthorized repair, modification, misuse, abuse, or alteration of the product is not covered by this limited warranty.
  • Consumable items such as gas rings, O’ rings, etc., are not warranted.
  • Luth-AR, LLC complete assembled uppers will be warranted for a period of 1 (one) year after the complete upper was purchased.
  • The warranty applies towards defects in materials or workmanship of the complete upper. Luth-AR will pay for all warranty repairs, at no charge to the consumer. Please supply a copy of the invoice for proof of purchase.
  • The use of re-load ammunition, proof rounds, or factory ammunition that exceeds initial SAAMI specifications voids any warranty. Any repairs or modifications not done by Luth-AR also voids any warranty.
  • Complete uppers not assembled or built by Luth-AR are not covered by the 1 (one) year warranty.
  • Please call our warranty department at (763) 263-0166 or email for any warranty issues.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.