Rossi Tuffy Survival Rifle Specifications Manufacturer: Rossi Model: Tuffy Survival Rifle Type: Single-Shot Break-Open Rifle Caliber: .45 Colt / .410 Bore Finish: Black Oxide Receiver Material: Polymer Receiver Finish: Black Receiver Description: Picatinny Rail Barrel Length: 16" Barrel Material: Alloy Steel Barrel Finish: Black Oxide Rate of Twist: 1:24" RH Grooves: 6 Overall Length: 30.90" Height: 6.50" Width: 1.60" Capacity: 1 Sights: Iron Stock Material: Polymer Stock Finish: Black Stock Description: Thumbhole with Shell Holder Safety: Crossbolt