Knight's Armament SR25 M110 double picatinny gas block. This is the same gas block used on the current M-110 SASS guns. Gas block requires professional installation as it is not drilled for the top roll pin or bottom taper pins. Please contact us for installation.
Suppressor locating pins, taper pins, roll pins sold separately.
Fits: Knight's Armament SR-25 (0.750" Diameter) Barrels or other 0.750" diameter barrel that uses Knight's proprietary gas port location which is not standard.