captain-price-official:BSA machine carbineBlowback; 9x19mm from a 32-round magazine at 600 rpmUK, 19
captain-price-official:BSA machine carbineBlowback; 9x19mm from a 32-round magazine at 600 rpmUK, 1945-52BSA machine carbine was designed by Birmingham Small Arms in the mid-1940s and was supposed to replace the Sten. Unveiled in 1945, it was not until 1947 that trials for the weapon were arranged, by which time it had been improved as the Mk.II. It competed against the MCEM-3 in June, and was deemed favorable due to its stability. The design was modified later that year and it was given a curved 30-round magazine and two alternative methods of cocking. This improved model once again trialed against the MCEM-3 and several other contenders; the Australian Kokoda No.1, the Patchett gun, and the Sten gun. The trials were held at Pendine, starting on the 8th of September and ending on the 16th. Keep reading -- source link