ZRODelta Low Profile Gas Block Nitride .625in Black Small. . These AR Gas Blocks through the skilled product professionals at ZRODelta are designed by using heavy duty and reliable materials in order to provide you with a product which is going to be effective for countless years. Designed utilizing some of the best available materials and engineering these unique AR Gas Blocks through the product specialists at ZRODelta can last an exceptionally long time. ZRODelta has been generating high quality merchandise for a very long time and the ZRODelta Low Profile Gas Block is their means of revealing just how much they care. Here at OpticsPlanet we ensure that it is our obligation to purchase the most suitable product for all your specifications and exhibiting the ZRODelta Low Profile Gas Block is one thing that we're delighted to offer. Specifications for ZRODelta Low Profile Gas Block: Manufacturer: ZRODelta Color: Black Size: Small Finish: Nitride Package Contents: ZRODelta Low Profile Gas Block ZRODelta 7036-0006-1406: Low Profile Gas Block Nitride .625in Black Small