B Square Saddle Scope Mount and Rings for Remington 1100 and 1187 (12, 16 and 20 Gauge with Serial # Ending in X or N) - 16800.p Right Hand only.p Straddle the shotgun's receiver and fit tight on top of the gun. All mounts have a standard dovetail and are a view thru design so the gun's sights can be used.p Picture is a stock photo to give you an idea of what it will look like. Not a picture of the actual product.