This is a non-functional 1/1 scale model of "S&W M38" produced with a 3D printer. It cannot actually fire BBs or other projectiles. Please use it for display, as a cosplay prop, or for photography. This product is a plastic model made entirely of PLA material. The cylinder can be opened. Please consider before buying, if you are particular about product condition. Immediate purchase OK. #modelgun #military #revolver #model