kursk
01-19-11, 19:39
I have 2 colt SP1 uppers, both with the "C" and one with a "H" marking, the other with a "M" mark.
What does the "H" or "M" mark mean? I assume it is a date stamp?
Thanks in advance.
What does the "H" or "M" mark mean? I assume it is a date stamp?
Thanks in advance.