UM Tactical installed a TCS 9mm muzzle brake on the Keltec Sub 2000 carbine. Watch Todd double tap at 100 yards.
Altair Gun Range
Kel tec Sub-2000
The SUB-2000™ is a semi-automatic rifle chambered for the 9mm Luger or the .40 cal. S&W cartridge. Different versions of the SUB-2000™ rifle will accept most double column handgun magazines. By rotating the barrel upwards and back, the SUB-2000™ rifle can instantly be reduced to a size of 16.25 x 7 inches for ease of storage.