Ultimate Arms Gear Nylon Plastic Adjustable Gun Rifle Shotgun Mount Clamp Clip Holder for Laser Flashlights Torch Telescope Sight Scope Bike Bicycle Working Range 20-50mm. Gunmount Is Designed for People Who Want To Use Their Torch Off Their Rifle or Change Between Rifles In A Hurry. Features A Large Easily Turned Knob. It Is Approximately 75mm Between Centres So Suits Those with Large Objective Lens On Their Scopes Like 50 or 56mm. Anti-Shaking Design. Material: High Quality Plastic. Size(mm): full-size:110(L)X31(D)X31(D). Min Size:110(L)X25(D)X25(D). Weight(g): 85/95.