SPRINGFIELD ARMORY M1A STANDARD FUNDAMENTALS EXPLAINED

Quite a few M1 Carbines had been issued with an easy L-variety rear peep sight, which could alternate among two different peephole heights for 150- and 300-yard ranges. The sight was mounted in a very dovetail atop the receiver rather than adjustable. A Thompson SMG that has a twenty-round journal and a 50-round drum, damaged down and equipped rig