Product Description Constructed from 4140 steel 1.815" long to cover the taper pin holes if FSB is removed Low profile design will fit under most commercially available handguards Midwest Low Profile Gas Block .750Dia at Natchez Shooting & Outdoors Browse all Natchez Shooting & Outdoors deals $44.95 In Stock at Natchez Shooting & Outdoors Price verified 1d ago Buy Now at Natchez Shooting & Outdoors Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Midwest Midwest