Bushnell Trophy XLT DOA Crossbow Riflescope (2-7x36-mm) All Trophy XLT Riflescopes include Butler Creek flip-open scope covers 1/4 MOA fingertip windage and elevation adjustments Fully multicoated optics for superior brightness, resolution, and edge clarity Nearly indestructible one-piece tube with integrated saddle; 100-Percent waterproof, fog proof and shockproof Class-leading 91-Percent light transmission