Belgian made five-round hammerless revolver with 3.5"" barrel. Bore is good with strong rifling and some shallow pitting. The revolver has been expertly refinished and looks great! The action works smoothly and the breech locks up tightly. There is a safety mounted o the back of the revolver. This Belgian copy appears to made much better than the original Merwin & Hubert model. The grips are excellent with some light handling wear. The caliber is approximately 9mm. This is a top quality revolver!