The MDT DRT NV Bridge runs the full length of your forend, keeping your clip-on night vision co-witnessed with your riflescope. What you see through the NV is what your reticle is looking at, so you're not compensating for a bridge that's slightly off-line. Mounting and removing a clip-on repeatedly wears on a rail that isn't built for it. Type III hard anodizing and Cerakote finish the bridge for exactly that kind of repeated use, so the mounting surface holds up over a full season instead of showing wear after a few range trips.Larger contour barrels don't always clear a stock NV bridge setup. The included spacer kit raises the bridge 0.2" to accommodate straight contours up to 1.25", so a heavier barrel doesn't rule out running the bridge. Features13" 20 MOA NV BRIDGE: Keeps clip-on night vision or thermal co-witnessed with your optic across a full-length rail.TYPE III HARD ANODIZED & CERAKOTE FINISH: Adds durability for repeated clamping and removal.INCLUDED NV BRIDGE SPACER: Ac...