Link doesn't seem to work, try this one. The U.S. Caliber .30 Carbines, Model M1A1
Yes, there was a pressure lock at the bottom and it's illustrated in picture down at the bottom half of the diagrams and the article.
Link doesn't seem to work, try this one. The U.S. Caliber .30 Carbines, Model M1A1
Yes, there was a pressure lock at the bottom and it's illustrated in picture down at the bottom half of the diagrams and the article.
Regards, Jim