What is Lone Wolf Arms?

Founded in 1998, Lone Wolf Arms is the largest US manufacturer and distributor of Glock-compatible aftermarket parts. Based in Boise, ID, they make barrels, frames, slides, triggers, guide rods, recoil springs, firing pins, conversion barrels, and completion kits for Glock Gen 3/4/5 and SIG P365, P365XL, P320.

Does Lone Wolf make barrels for the Glock 19?

Yes. Standard and threaded (1/2x28, 9mm) drop-in barrels in AlphaWolf and DUSK series.

Does Lone Wolf make barrels for the Glock 17?

Yes. Standard, threaded (1/2x28), and longslide (G17L/G34) AlphaWolf drop-in barrels. No gunsmithing required.

What is the Timberwolf frame?

A proprietary Glock-compatible frame in full-size (TWF), compact (TWC), and large (TWL). Sold bare or complete, textured or standard. Accepts standard Glock internals and magazines.

Lone Wolf's complete Glock 19-compatible pistol. DUSK frames also sold separately in compact and full-size, built or bare, black or gray.

Does Lone Wolf make frame completion kits for Polymer80?

Yes - for P80 large (10/45) and compact frames. Includes trigger bar, connector, trigger housing, locking block, magazine catch, slide stop, and all pins.

What guide rod options are available?

Complete assemblies for Glock Gen 1-4, extended and stainless options for G29/30/36. ISMI springs in 13, 15, 17, and 22 lb weights.

How does a Lone Wolf 9mm conversion barrel work?

Drops into .40 S&W or .357 SIG Glocks with no gunsmithing. Use a 9mm magazine. Use 124gr or +P ammo if experiencing FTE with 115gr.

What is the difference between a 3.5 lb and 5 lb connector?

3.5 lb = lightest pull, longest reset. 5 lb = shorter, crisper reset. 8 lb = shortest, most positive reset.

Does Lone Wolf make parts for Glock 20 and 21?

Yes - barrels in 10mm, .40, and .45 ACP; frame completion kits (Gen3/4); trigger bars; firing pins; guide rods; slide completion kits. Threaded 10mm barrel (9/16x24) also available.

Does Lone Wolf make parts for SIG Sauer pistols?

Yes - DAWN series drop-in 9mm barrels for SIG P365, P365XL, and P320 in black and graphite gray, standard and threaded. DAWN slides for P365XL also available.

What is the Elimin8r suppressor?

Lone Wolf's modular pistol suppressor ($299.95) for threaded barrels. NFA item - Form 4 and $200 tax stamp required.

Does Lone Wolf ship to California?

Parts sales to CA residents are temporarily paused. Barrels ship to CA FFL dealers.

Can I cancel or modify an order?

30-minute window after ordering. Email Cancel@LoneWolfArms.com or call 208-448-0600. Custom/engraving orders take 2-4 weeks; black oxide 2-6 weeks.

What is Lone Wolf's barrel warranty?

Warranted for workmanship and materials with factory new ammo. Reloaded or commercial reloaded ammo voids the warranty. FFL items cannot be returned.

How do I become a dealer?

Visit lonewolfdist.com/become-a-dealer or email DealerSales@LoneWolfArms.com.

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Completion Kit for 45 Slides

7 reviews Write a Review

SKU: LWD-SLIDEKIT-45

UPC: 639737068870

$74.95

Hurry up! Current stock:

Current Stock: 57

Quantity:

5 customers are viewing this product

Product Details

This kit includes all of the parts to completely assemble a bare 45ACP slide (with the exception of barrel, recoil spring assembly and sights). Does not fit Gen5 or G43/43x/48

Kit includes the following:

LWD-4536 - Firing Pin Safety M/21,21F & 45GAP Models 37,38,39
LWD-3442 - Spring Load Bearing LCI 10/45
LWD-91 - Firing Pin Safety Spring
LWD-4557 - Firing Pin (10/45)
LWD-119 - Extractor Depressor Plunger Spring
LWD-1148 - Channel Liner (all models)
LWD-56 - Spacer Sleeve
LWD-63-4 - Firing Pin Spring Mid-Weight
LWD-1902 - Extractor LCI 45ACP
LWD-70M - Firing Pin Spring Cup - Marine
LWD-SCP7-BLACK - Unlined Slide Cover Plate - Black
LWD-5243 - Extractor Depressor Plunger 45/10

Find additional parts here:

If you are looking for a .45GAP slide kit you would use the same parts except swapping LWD-5243 to LWD-112 and swapping LWD-3442 to LWD-3439.

For use in Glock 41 slides please use OEM extractor, included extractor will not work correctly.

Customer reviews (7)

Write a Reviews

High quality and fast shipping 5

Posted by Timothy Richter on 8th Feb 2026

I will be buying from them on future builds thanks Lone Wolf
Complete slide completion kit 5

Posted by Gabriel Novak on 4th Jan 2024

This kit contains all the parts to complete your slide. High quality parts and they fit my slide well.
G21 Slide Completion Kit 5

Posted by David W on 22nd Oct 2023

Fit my slide perfectly. Ran 90+ rounds on first range trip with no malfunctions.
Completion Kit - not so good 3

Posted by Chris Flaig on 18th Aug 2023

The extractor, plunger, and spring set did not function properly in the slide. I replaced those parts with OEM Glock and it functioned fine.
45 ACP slide kit 5

Posted by Kent Anderson on 11th Aug 2023

Lone Wolf slide kits are excellent with quality workmanship and parts.
45 Slide parts 5

Posted by Great product at a great price on 23rd Jul 2023

This was used to complete a Lone Wolf G21 Slide. Everything worked as needed. Would buy again
Slide kit 5

Posted by Mr kx500 on 20th Jun 2023

Great quality and fair prices.