The Ergo 4822 .750 Adjustable Gas Block is designed to fit under the Ergo Modular and SuperLite Rail System, as well as most other manufacturers free float handguards. Adjustments are made via a 5/64 set-screw and a 5/64 retaining screw ensures the system remains locked, no need for Locktite.
If this product requires an FFL to purchase, please have your preferred dealer email their FFL to FFL@sigwoarms.com and reference your name and order number so we may assign the FFL to the proper order. If this information is not submitted, shipping your order will be delayed. If you have non-FFL products in your cart during checkout, they will be shipped separately to an address of your choosing.
CAGE CODE
14AS3