I just removed the plug in mine, and put a Steiner light/cap on the end of my forearm. I had to cut a few threads to get the Steiner mount to fit/thread correctly. 712 utility semi auto. I also added an oversized bolt handle and release. I painted the top rib bright white and added a high viz bead. The white rib is good for contrast in dark light and against the flat black Gun, helps to look down the barrel/target tracking.
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