SUPERIOR HEAVY DUTY BLACK HARDCOAT ANODIZED FINISHED PRECISION MACHINED 6061 AIRCRAFT ALUMINUMCOMPACT 1" HIGH PROFILE : 7 SEPARATE SLOTS, APPROX. 3" LONG , 1" HEIGHTEASY INSTALLATION - NO GUNSMITHING REQUIRED - SECURE LOCKING PLATE WITH THUMBNUTS FEATUREPERFECT FOR ATTACHING LIGHTS, LASERS, SIGHTS OR ANY 7/8" WEAVER-PICATINNY ACCESSORYSEE THRU FEATURE SO YOU CAN STILL USE YOUR IRON SIGHTS