https://youtu.be/CmPUmcm8W58 When Wayne Daniels took over control of RPB in 1978, he introduced a semiautomatic pistol version of the iconic MAC submachine gun. Called the "SAP" (Semi Automatic Pistol), there were three versions; .380, 9mm, and .45. They fired form an open bolt, and were virtually identical to the full auto type, but with a