Ultimate Arms Gear Mauser K98 K-98 Karabiner Rifle Base Rail Scope Sight Mount + 4x30mm Reticle Rifle Hunting Sniper Scope + Bolt/Handle with Parts + Scope Rings Fits large-Ring Mauser 98s with Included Bolt Handle. Will NOT Fit Small Ring Mausers. Minimal Interior Barrel Channel Relief. Hidden Barrel Clamps Secure Scope Mount.Made From Black, T-6 aluminum. No Gunsmithing Required. Bolt Specifications: Brand new. Fits Mauser Rifles Including Mauser 98. Made of Polished Stainless Steel. Converts Straight Bolt or Wide-Arc Bolt to Bent Bolt. Bent Bolt Allows no Interference with Scopes. Includes Drill Bit, Tap, and Hardware. 4x30 Mil-Dot Sniper Scope: Magnification- 4X Fixed. Crystal Clear 30mm Lens . Tube Diameter- 1". Military Quality Rangefinder Reticle Allows the Shooter to Estimate. Range of Target. Full Windage and Elevation Adjustments. Nitrogen Filled, Shockproof, Fogproof, and Water Resistant. Full Windage and Elevation Adjustments. Nitrogen Filled, Shockproof, Fogproof, and Water Resistant.