LWD Barrel M/21 45 ACP Threaded .578 x 28

Will NOT be shipped to the following areas: Washington
(2 reviews)

Current Stock:

Out of stock

Out of Stock
Length 5.2 inch, 132mm

Lone Wolf replacement barrels are manufactured from the highest grade mill select 416 stainless steel. CNC machined and heat treated, providing a life time of service and unparalleled accuracy at an affordable price. The standard groove and land rifling make this an excellent choice for those who wish to shoot lead, plated or jacketed bullets. Can be used in factory ported or stock pistols. Intended for use in the Glock 21 pistol only. Threaded .578 x 28 to fit popular suppressor manufacturers.

Special features include:

  • Ready to use, pre-fit drop in. No gunsmithing required
  • Fits Glock Gen3 and Gen4
  • Precision machined from heat treated 416 stainless steel
  • Lock-up area produces greater shot-to-shot accuracy
  • Tighter dimensions than the original
  • Glass bead, satin finish exterior
  • Maximum chamber support, improved feed ramp design
  • Button rifled, standard crown
  • Ok to use lead, plated or jacketed bullets
  • Includes thread protector
  • Proudly made in the USA

Lone Wolf will replace any of our barrels or barrel accessories which are found to have manufacturing or material defects. Customer modifications or the use of reloaded ammunition will void this warranty.

*At this time, we are not offering custom 460 reams on these barrels.

(2 reviews) Write a Review
  • 5
    Glock 21 threaded barrel

    Posted by Tinman on 28th Sep 2023

    Great for the price and works for shooting lead cast bullets , I'm going to try it compensated soon !

  • 5
    G21 Gen4 Lone Wolf Threaded Barrel

    Posted by Darkstar on 7th Dec 2022

    I received the barrel on time without service interruption or damage. The barrel itself has a durable coating and should hold up well under continuous firing. Barrel exit and crown have been accurately machined. The barrel was an exact drop in - no nonsense fit. I was happy to find a threaded barrel for my G21 -- as most people, caught in the grip of guns discharge, usually shy away from guns chambered in anything larger than a 9x19. Fortunately, that is not the case with me! Thank You!