1 inch See Through Riser Rail Riflescope Sight Compact Weaver-picatinny Rail High Profile 8 Slot High-profile COMPACT mount for rifles with Picatinny/Weaver rail. See Through design allows the users to see the iron sights when mounted Quick release Thumb tightening system Material: Aluminum Alloy Golden Eye Tactical HEAVY DUTY BLACK HARDCOAT ANODIZED FINISHED PRECISION MACHINED 6061 AIRCRAFT ALUMINUM COMPACT 1" HIGH PROFILE : 8 SEPARATE SLOTS, APPROX. 3" LONG , 1" HEIGHT EASY INSTALLATION - NO GUNSMITHING REQUIRED - SECURE LOCKING PLATE WITH THUMBNUTS FEATURE PERFECT FOR ATTACHING LIGHTS, LASERS, SIGHTS OR ANY 7/8" WEAVER-PICATINNY ACCESSORY SEE THRU FEATURE SO YOU CAN STILL USE YOUR IRON SIGHTS,High-profile COMPACT mount for rifles with Picatinny/Weaver rail.See Through design allows the users to see the iron sights when mounted,Quick release Thumb tightening system