06-15-2012, 06:00 PM
FYI, as of moments ago MIdway is Showing AA Overwatch uppers in stock:
http://www.midwayusa.com/product/115064/...d-magazine
From the description it sounds like they are the newer barrel configuration IE Muzzle Thread Pattern: 9/16"-24 RH and Gas Block Diameter: 0.750".
My older is 3/4"-28 and .870 at the same points.
http://www.midwayusa.com/product/115064/...d-magazine
From the description it sounds like they are the newer barrel configuration IE Muzzle Thread Pattern: 9/16"-24 RH and Gas Block Diameter: 0.750".
My older is 3/4"-28 and .870 at the same points.