They could change to your 9mm SMG without transitional teaching and not have to master a fresh weapon for example companies using the M4 carbine and MP5 SMG. These have absolutely distinct operational dissimilarities plus the muscle memory from instruction is compromised While using the use of various weapon programs. https://ricardoiqwyf.smblogsites.com/26542511/what-does-colt-smg-upper-mean