WHAT DOES 18.5″ BARREL MEAN?

The M1A1 was made in May 1942 for paratrooper models, and arrived that has a folding stock, but was usually just like a standard M1.[116] M1A1 carbines ended up created by Inland, a division of Typical Motors and originally arrived Along with the early "L" nonadjustable sight and barrel band with out bayonet lug.However , you can shoot a lot of 9mm