MANUFACTURER: Wilson Combat FAMILY: Accessories MODEL: AR15 Lo-Pro Gas Block (Medium) TYPE: Accessory-Parts ITEM GROUP: Rifle Accessories FINISH: Black Nitride FINISH TYPE: Black SHIPPING WEIGHT: 0.1 lbs. ADDL INFO: Precision Bored to .875" ADDL INFO: Includes Set Screws ADDL INFO: Includes Gas Tube Roll Pin MFG MODEL NO: TR-LPGB-M UPC: 811826027887