Ultimate Arms Gear Tactical 1/2" Compact 8 Slot Weaver-Picatinny Low Profile See Thru Stanag Riser Mount For Flattop Rifle Scope - Sight Superior Heavy Duty Black Hardcoat Anodized Finished Precision Machined 6061 Aircraft Aluminum Compact 1/2" Low Profile : 8 Separate Slots, Approx. 3.37" Long , 1/2" 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