Since that removable piece is about an inch long, you have the Model 1922. FN first made the Model 1910, with a shorter barrel and grip, then potential buyers wanted a bigger mag (don't they always?) and a longer barrel. Rather than change the whole tooling setup, FN lengthened the barrel and barrel bushing, modified the frame slightly, and sold it as the Model 1922. If you look at your gun or better compare it with the 1910, you can see the "quick and dirty" way they did it.....>>
Id like to see one of those 1910's....since the first time I priced a seecamp,, I started looking real hard at that old pistol and thought that if they had shortened the barrel and the grip slightly, it would have made a great little pocket pistol, slim rounded feature, and nothing to snag--there would be a question of safety with that stricker perhaps, I dont recall if the safety just locks the slide or blocks the striker...believe it just locks the slide....aw well tks for the info ....fubsy.