Customizable frame sizing Just about every GLOCK Gen5 comes with beavertail backstraps in two sizes. The backstrap body makes it possible for the consumers to change the circumference of your grip to fit their person hand sizing. Gen4 RTF - Tough textured frame The Gen4 tested rough textured frame surface https://andywoaln.blogsuperapp.com/31214054/the-best-side-of-glock-17-for-sale