Updated 04-May-2020.
Mondo shtuff from around the internet, all about SIG MPX!
My botty best at summarizing from Wikipedia: the SIG MPX is a gas-operated submachine gun designed and manufactured by SIG Sauer . it features a closed, rotating bolt to enhance the safety of the user and to have a more reliable firearm the MPX submachine gun is only available for military and law enforcement use . a semi-automatic only version is also available for the civilian market . since its inception, first party conversion kits have not been made available the MPX has a short-stroke gas piston system in order to increase the accuracy of the weapon . it features an ambidextrous selector switch for fully automatic (law enforcement/military models) and semi- the weapons exterior appears to be a cross between an AR-15 and a Heckler & Koch MP5A3 . the barrel is free-floating and is surrounded by polymer/steel Picatinn in 2015, the BATFE warned weapons using SIG stabilizing braces that shouldering a weapon fitted with a brace constituted a Title II NFA weapon . in early 2017, the BatFE withdre Bangladesh: On order for Para-Commando Brigade (Bangladesh) India: Indian National security Guards Poland: Jednostka Wojskowa Grom Singapore: Special Operations Task Force Hong Kong: Railway