Got a few blems going on here. Mechanically fine but the split on the clamp faces isn't perfectly symmetrical and thus these blocks are blems. 100% mechanically sound, just not 100% perfect.
Bought a rail but need a good gas block? Look no further! Weighing in at 1.5oz, this .750 gas block is fully adjustable via a screw in the front and lockable via a screw in the side. This block is attached to your barrel by compression which is attained by tightening the three screws on the bottom. It is suggested that a REMOVABLE thread locker of your choice be used on the screws. Each gas block comes with a roll pin as well.
-Black Nitride finish
-NiPTFE coated adjustement screw.
-Gas port witness hole for an effortless gas port alignment.
-Gas tube removal hole for gas tube removal.
Quick Spec Sheet
-for .750 barrel size
-Attachment requires ONLY HAND TIGHTENING
-Gas port is drilled all the way through for ease of alignment with your gas port.
ALLEN KEYS NEEDED FOR THIS BLOCK:
Adjustment screw = 5/64"
Side locking screw = .05"
Attachment screws= 3/32"