The ROSSI Montengero is a single-shot single-shot rifle in .22 lbb caliber. or .22 WMR with external hammer, hammer cocking and transfer bar system (the hammer can only reach the firing pin when the trigger is pulled through). The ROSSI Montenegro cannot be tipped over when the hammer is cocked. The durable, black synthetic stock is textured on the fore-end and pistol grip for a good grip. The break barrel is provided with a muzzle thread. Optional accessories can be easily mounted on the Picatinny rail.