POS Universal M1 carbine.,.. gas plug screwed out do to the guy pouring motor oil down the barrel to clean it. these guns are close to an M1a.. short stroke.
Anyhow.. the plug cracked and stripped a few threads. Ordered the parts but they would not screw into the gas block so I bought a tap.
Soooo put it together and it works! The stock was crap.. still is but now it is tung oiled after I stripped it.