Strike industries now has their steel, ultra low profile gas block available. With a MSRP of just $29.95 it is sure to be a hit with those looking to be able hide a low profile gas block under a rail system. According to Strike Industries the gas block will fit under “whatever rail you use.” Which I believe completely looking at how small, and low profile the gas block is.
Info from Strike Industries below, and if you are interested in one you can check it out on their site at http://www.strikeindustries.com/shop/index.php/rifle-accessories/ar/upper-parts/si-ar-steel-gas-block.html
Item Name:SI AR Steel Gas Block
Category: AR Upper Part
List Price: $29.95
1x Steel Gas Block
Description (Introduction of product)
Simple and elegant the Strike Industries Steel Gas Block is manufactured to exacting tolerances and is a low profile block that will fit under whatever rail you use. All gas blocks are made to fit barrels that feature a .750 or 3/4-inch gas block mounting surface. With a heptagonal shape, it adds some thickness and strength to the gas block without sacrificing aesthetic appeal. Perfect for you next project!
Low profile gas block
Designed for .750” diameter barrels