You can find the San Tan Tactical Low Profile Gas Block .750" Nitride here Fast $9.95 shipping! Orders over $200 ship for free!

The San Tan Tactical Low Profile Gas Block is machined from 17-4PH Stainless Steel and is given a black nitride finish. The low profile design fits most free-float hand guards. Securely attaches to the barrel with the included dual hex head set-screws. Weighs 0.66 oz. Made in the USA.

Internal bore: .750"