Since 1998 Lone Wolf Distributors, the established leader of All things Glock is recognized as the best source for reasonable priced Glock replacement parts. Introducing SHOT 2018 V2 TimberWolf frames, Full size, Large and Compact models include these special features: Both Gen3 & Gen4 in the same frame, your choice. Reduced grip is the absolute slimmest ever offered. Dozens of custom checkering patterns on demand. Choice of grip length in every model. Full size frame with a compact grip, no problem. Compact frame with full size grip, no problem. Accommodates all Glock calibers 9/40/357/10/45 (less)