Colt 1990's Removed Sear Block Receiver Pin Holes Plugged! 12Apr2022
Published on Apr 12, 2022
#10 will fit through the sear block pin holes in the receiver but the flat head diameter is to big to go anywhere near flush. #8 socket flat heads worked out better! Right side of the receiver is a little thicker and required 8-32x1/2" and the left side I used an 8-32x3/8".
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