Letters that make M-1
m, 1 are letters that make 'M-1'
Words within M-1
are words within 'M-1'
1 possible definitions for 'M-1'
Under this definition, m-1 is a noun and has the following properties:
Garand rifle, Garand, M-1 rifle have the same meaning as 'M-1'
'M-1' can be a type of rifle, semiautomatic firearm.