Originally Posted by colt_saa

An MP5/10 you say
Yes it was developed for the FBI way back when they were adopting 10MM Auto for their standard sidearms. Just over 1400 were delivered. Most are still in service and other agencies bought some as well. The FBI never moved away from these. Federal has provided full power 190 grain JHPs to the FEDs for decades now

We have been working on an AR style, 10MM Auto, SMG to replace the aging MP5/10 inventory. We have done Carbines, short barrels and an integrally suppressed version. They are a direct impingement design and use Glock magazines. We have subsonic 240 grain JSP ammunition for the suppressed versions.