Ultimate Arms Gear Matte Black Steel SKS Rifle See Through Receiver Cover Replacement High Profile Tactical Scope Rail Mount SKS High Profile Scope Base with Integral Weaver / Picatinny (7/8") Scope Sight Light Laser Accessory Rail See Through Feature Allows You To Use The Original Iron Sights Stable Non Rocking Solid One Piece Steel Construction With Matte Black Finish Weight : Approx. 9 oz , Length : 4.8" Zeros In Instantly And Scope Returns To Zero When Reinstalled