Dark Storm Industries Micro Gas Block Steel .750. Made of steel construction this Rifle Gas Block from Dark Storm Industries is a low profile design that gives a secure grip on your weapon and fits .750 diameter barrels. The Dark Storm Industries .750 Low Profile Micro Gas Block is secured with two allen head set screws on the bottom in order to prevent the loss of parts. When you're looking for a gas block that fits your weapon swiftly and easily look no further than the Dark Storm Industries Micro Gas Block. Specifications for Dark Storm Industries Micro Gas Blocks Steel .750: Manufacturer: Dark Storm Industries Color: Black Fabric/Material: Steel Size: .750 Additional Features: Low Profile Last Chance: Yes Features of Dark Storm Industries Micro Gas Block Steel .750 Steel Construction Low profile design fits under many quad rails and fore arm grips Fits .750 diamer barrels Secured with two allen head set screws on bottom Package Contents: Dark Storm Industries Micro Gas Block Steel .750 Roll Pin for Gas Tube Dark Storm Industries DSI-BRL-GBM-750: Micro Gas Block Steel .750