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Questions & Answers
Will this fit 21sf? Expert Answer

Yes, it will fit the 21SF as long as its a Gen 3 and Gen 4.

by Armando R., Gear Expert, March 25, 2020
What is total length of your Flock. 21 barrel in inchs Featured Answer

5 1/4" from end to end. Actual barrel is 3 5/8" including the threads.

by dlg, Verified Owner, March 1, 2019
Customer Reviews
Helpful Positive Review
Nice barrel by Big Mike, Verified Owner, August 10, 2024
I put this barrel in a Rockslide brand slide on a Polymer80 frame that I recently finished. The groups are good. I’m quite pleased with the barrel.
1/1 found this helpful
Helpful Positive Review
thread barrel for block 21 by sarge, October 28, 2021
well made product at a fair price. dropped right in. and off to the range.I would highly recommend this barrel. I have never used a lone wolf barrel. but I am a fan now. that's all folks. plan on purchasing another one in the near future.
3/6 found this helpful
Helpful Positive Review
45 acp fully supported by Baxter, Verified Owner, June 6, 2024
Purchased this to run led bullets. It has a fully supported chamber too.
3/3 found this helpful
Helpful Positive Review
Better than Glock by Blackhorse, August 15, 2022
Ok, to start out with I am not a glock fan. However, as a deputy sheriff my weapon of choice was not permitted. So I opted for the Glock for the cheap price. Started out with a Glock 23 in 40 S&W, which is probably the worst performing pistol cart...
Read More...
8/12 found this helpful
Helpful Positive Review
Silver Threaded Barrel for Glock 21 by Mequon-Mike, Verified Owner, September 20, 2020
This is a good aftermarket barrel for the 45ACP Glock 21 if you want to attach a silencer or suppressor to your pistol. It’s a pre-fitted drop-in replacement for your Generation 3 Glock 21 barrel. I had no feeding issues because of the improved fee...
Read More...
5/5 found this helpful
Helpful Positive Review
lone wolf barrel by dnmjr, September 11, 2020
Great barrel! Shoots well maybe even better than factory barrel. Would have liked the logo on the side that shows on the slide. Not a big deal. Bought for $99.99, what's not to like at that price. Buy it!
2/2 found this helpful
Read All 33 Reviews
Color:
Raw Stainless
Finish:
Glass Bead Satin
Fabric/Material:
416 Stainless Steel
Barrel Length:
5.2 in
Barrel Profile:
Standard
Caliber:
.45 ACP
Barrel Material:
416 Stainless Steel
Gun Make:
Glock
Gun Model:
Glock 21 .45 ACP
Model Generation:
3, 4
Condition:
New

Code: 59-PTB-UASG21-LWD-2145TH

MPN: LWD-2145TH

UPC: 639737067941

List: $124.95Save $10.00
$114.95

Product Info for Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28

Lone Wolf Distributors 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.image

Specifications for Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28:

Manufacturer: Lone Wolf Arms
Color: Raw Stainless
Finish: Glass Bead Satin
Fabric/Material: 416 Stainless Steel
Barrel Length: 5.2 in
Barrel Profile: Standard
Caliber: .45 ACP
Barrel Material: 416 Stainless Steel
Gun Make: Glock
Gun Model: Glock 21 .45 ACP
Model Generation: 4, 3
Condition: New

Features of Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28:

  • 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

Package Contents:

  • Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28

Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28 Orderable Models

List of Orderable Models

  • Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28, Raw Stainless, LWD-2145TH , MPN: LWD-2145TH , UPC: 639737067941 , Code: 59-PTB-UASG21-LWD-2145TH

Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28 Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28, Raw Stainless, LWD-2145TH , MPN: LWD-2145TH-EDEMO , Code: 59-PTB-UASG21-LWD-2145TH-EDEMO-IN-C
  • DEMO, Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28, Raw Stainless, LWD-2145TH , MPN: LWD-2145TH-DEMO , Code: 59-PTB-UASG21-LWD-2145TH-DEMO
  • USED Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28, Raw Stainless, LWD-2145TH, EDEMO4, Used, Condition Like New , MPN: LWD-2145TH-EDEMO4 , Code: 59-PTB-UASG21-LWD-2145TH-EDEMO4
  • USED Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x28, Raw Stainless, LWD-2145TH, EDEMO5, Used, Condition Good , MPN: LWD-2145TH-EDEMO5 , Code: 59-PTB-UASG21-LWD-2145TH-EDEMO5
  • Lone Wolf Arms Glock 21 .45 ACP Threaded Barrel, .578x29, Black, LWD-2145THBLK , MPN: LWD-2145THBLK , Code: 59-PTB-UASG21-LWD-2145THBLK
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