Battle Arms Development Lightweight .625 in Diameter Rifle Gas Block Raw Titanium Raw Titanium. Machined from Grade 5 Titanium the gas block is a great addition to your AR system. Like a good number of BAD products this gas block was well thought out and designed. This lightweight gas block can be mounted in a number of configurations. Common uses include competition plinking and hunting. This model features a tapered mouth allowing the user to easily feed a cleaning rod through the block and clear unwanted debris such as sand mud and dirt. To aid in easier cleaning the user simply needs to run a bore muffler or gun cleaning brush over the gas block after cleaning with BAD Debris. Specifications for Battle Arms Development Lightweight .625 in Diameter Rifle Gas Block: Manufacturer: Battle Arms Development Color: Raw Titanium Fabric/Material: Grade 5 Titanium Package Contents: Battle Arms Development Lightweight .625 in Diameter Rifle Gas Block Battle Arms Development BAD-LGB-TI-625: Lightweight .625 in Diameter Rifle Gas Block Raw Titanium Raw Titanium