you can do so by removing the left grip panel and looking for an "A-100" stamp on the area under the grip panel
designed to improve handling of your gun
These grips fit Walther model PPK made by Walther in Germany
This Screw set fit original as well as our aftermarket grips for Colt model 1908
RUGER GP100 grips (stainless steel frame) grips you can do so byThese grip fit onto all STAINLESS STEEL Ruger revolvers in GP100 family (six shot double action, . 357), fitting the STAINLESS Models only from this list: GP141, GP161,GPF840, GPF841, KGP141, KGP151, KGP161, KGP4327, KGPF331,GPNY. We have another design inletted specifically for the BLUED STEEL models, Product R100 1B. If you have a blued steel frame you must be sure to choose the correct set. The grips are carved out of naturally dried English or