The M1A1 was developed in Might 1942 for paratrooper units, and came using a folding stock, but was normally just like a standard M1.[116] M1A1 carbines had been made by Inland, a division of Typical Motors and at first came While using the early "L" nonadjustable sight and barrel band with out bayonet lug.Sights: Usually equipped with rear drum an