The Patriot Ordnance Factory Adjustable Gas Block Dictator .750 offers precision control over your rifle's gas pressure and rate of fire. With the ability to select from nine distinct gas settings this adjustable gas block enhances your firearm's reliability and performance. The adjustment process is straightforward allowing you to use a flat screwdriver a 3/32 hex wrench or the included dictator wrench. Crafted with a durable QPQ Nitride finish it features a straight gas tube for optimal functionality and longevity.