Yankee Hill AR-15 Two Piece Railed Removable Gas Block .750" YHM-9390A
This gas block replaces your existing front sight and allows the user to mount accessories to its two picatinny rails. This gas block allows the mounting of our forearms without the removal of your muzzle accessory. Mount a gas block mounted flip front sight to retain your iron sights. It is mounted by the use of four socket head cap screws using a 7/64" Allen wrench. This gas block has a bore diameter of .750 inches. Made from high quality steel and finished with a Mil. Spec. phosphate coating.
- Made in the USA