When Riga, the last of its satellite factories, was sold off in 1937 the unified manufacturing facility code letters SBP were being positioned at 12 o'clock and the quadrant at six o'clock ended up changed Using the month of output in Roman numerals (e.g., VI for June, the sixth month). https://cci250magnumprimers13467.canariblogs.com/5-simple-techniques-for-cci-large-pistol-primers-34809123