The Lone Wolf Arms Timber Wolf is a large-frame stripped polymer pistol frame compatible with Glock 20, 21, and 40 Gen3 and Gen4 slides. It is chambered for 10mm and ships in black polymer with a textured grip surface. 
 

Key Specifications 

• Brand: Lone Wolf Arms 
• Model: Timber Wolf 
• Caliber: 10mm 
• Action: Semi Auto 
• Color/Finish: Black 
   

Detailed Features 

• Large frame stripped configuration, no upper components included 
• Compatible with Glock 20, 21, and 40 Gen3/Gen4 slides 
• Textured polymer grip for improved purchase 
• Designed to accept Glock-pattern components

Owners who build on the Timber Wolf frame tend to describe it as a solid base for a custom Glock 20 or 21 build. The large frame fits the 10mm footprint correctly, and the textured grip texture gets credit for being more aggressive than the factory Glock surface without requiring stippling work.

Fit with Gen3 and Gen4 slides is generally reported as tight and consistent, which builders appreciate when mixing components across brands. Some owners note that fitment varies slightly between production runs and recommend test-fitting before committing to a full build. The stripped format means the buyer supplies all other components, so the out-of-the-box experience depends entirely on the parts chosen.

Value splits on use case. Builders who want a custom grip angle, different texture, or a specific color see the Timber Wolf as a reasonable path. Buyers who later discover the full parts cost of completing a build sometimes feel they would have been better served by a complete pistol, and the Lone Wolf frame is best suited to owners who already have compatible slide assemblies on hand.