smg

If the SA80's development is delayed by two years or the SAR-87 is developed two years ahead of OTL could the UK adopt it instead of the SA80 or was the MoD dead-set on getting a bullpup rifle? Additionally, in that case would it be likely that its 9mm variant is also adopted?

WI you could assemble the best possible submachinegun using 1943 technology? Borrow ammunition from one nation, magazine from a second, stock from a third, etc. To keep this within the definition of "submachinegun" please limit your choice of ammunition to a short list of pistol cartridges that...