TWL Large/Large Textured Frame Bare

(5 reviews)

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When we first launched the original Timberwolf frame, one of the first questions was “when will it be available in .45 ACP or 10mm?” That time is now, because we’ve revamped and upgraded the design to bring you the Timberwolf Large. The first thing you’ll notice is that the TWL fits in your hand like a much smaller pistol - in fact we measured the grip circumference of the most popular factory 9mm service pistol, and the Timberwolf Large was only .007" larger. That’s only the width of a couple of human hairs, giving you real .45 ACP or 10mm firepower in a 9mm sized package.


The grip length accept G20/G21 Gen3 and Gen4 slides, as well as G40 slides. The TWL uses G20/G21 magazines. When using a Gen4 slide you simply remove the installed adapter in the dust cover area of the frame. Using Gen3 slides you leave the adapter in place to fill the gap between the slide and dust cover. 

The Timberwolf Large is available in multiple configurations, all of which include the dust cover adapter, removable magazine well, and interchangeable backstraps. (TWL & TWF backstraps are interchangeable)

No matter what your shooting goal is, the Timberwolf Large will fit your needs. Whether you want a gun for backwoods carry, a longslide for hunting, a slim and easy to carry .45 ACP for personal protection, or just want to build the coolest gun at the range, the Timberwolf Large can make your dreams come true. 

Years in the making, the Timberwolf Large is here. The frame game will never be the same.


If purchasing a bare frame with parts kit the same parts are used but not installed, if you are using your own parts please note most parts are GEN3 parts except the magazine catch and trigger housing which requires a GEN4 style part. 

Part Name TWL
LWD Extended Slide Stop 3 Pin LWD-7496
LWD Ext Slide Lock Lever Black LWD-ESLL
LWD Connector 3.5 lb LWD-342
LWD Trigger Spring 6 lb LWD-350-6
LWD Trigger Pin LWD-420
LWD Locking Block Pin LWD-4368
LWD Slide Lock Spring LWD-5446
LWD Locking Block LWD-1447
LWD Trigger Housing Pin (Black) LWD-427B
LWD Universal Trigger Housing LWD-UTH-45
LWD Mag Catch Spring LWD-280
LWD Magazine Catch Reversible (Gen 4) LWD-8795
LWD Trigger Bar LWD-4417
LWD Polymer Trigger Shoe, Black (Standard, non adjustable) LWD-PolyShoe

*When swapping mag catch directions you must REMOVE the magazine catch spring, do NOT just pry the spring around the mag catch, frame damage will occur. 


*Not compatible with G41 slides

*Does not work with SiderLock trigger safeties

*When checking out please put the name, city, state, and phone number of the FFL you want the frame shipped to in the comments section. 

Must ship to FFL

If a frame, slide and barrel are on an order the 10% excise tax will be added by our CS team. 

FFL items are not returnable.

(5 reviews) Write a Review
  • 5
    Superior to SF OEM frame- cheaper than a reduction!

    Posted by Stephen Rudawski on 14th Jun 2024

    I had 20 and 21 sf pistols I sold because the grips were too massive. I kept one with the thought I was going to send it off for reduction. Read up on the lone wolf large frame… Now I’m going to sell the Glock frame and stick with this one. It’s awesome and works great!! Fits my hand and is a third the cost of a reduction. Very happy!!

  • 5
    Amazing product

    Posted by Brandon Redaja on 30th Nov 2023

    This is my second frame lone wolf and once again not disappointed by the quality of their frames

  • 5
    TWL Large Frame

    Posted by Nick Carserino on 26th Nov 2023

    great aftermarket frame fits a smaller hand great you Won’t be disappointed with this purchase

  • 5
    TWL frames Excellent

    Posted by Leader on 30th Jul 2023

    I bought two large, bare Timberwolf frames. I built a G20 gen 4 and a G21 gen 4 using Glock OEM parts kits. All parts dropped right in and the guns function flawlessly. The grip on the new frame is nice, feels smaller than “SF” frames. Texture is good. Thanks LoneWolf!

  • 5
    TWL Frame

    Posted by George Marrero on 20th Apr 2023

    I have a large frame Glocks in both 45 and 10mm caliber. A G20, G41, and a full custom G20L. All three have the TWL frames. The grip is comfortable, fits better than the factory grip, has a slimmer dimension, and improved grip angle along the lines of a 1911. A quality product that was basically just replace the parts from the original to the TWL frame. Several boxes of ammunition later, both calibers, and 100% reliable. The mag well is also a benefit. Highly recommended if you have a Glock and wish to upgrade/customize.

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