Specifications:
inner diameter: 19.05 mm / .750"
non-adjustable
height added to top of the barrel: 12 mm / .47"
height added below the barrel: 5.5 mm / .22"
weight: 33 grams / 1.2 oz
 
Our Stainless Steel low profile gas blocks are really light, yet very durable. High Grade Titanium bolts make sure the gas block is attached securely to the barrel.

This gas block is not adjustable.
 
Suggested bolt tightening torque 3Nm