However I have a lever in one gun with a tapped hole much larger than 4-40. In fact a 4-40 screw (major diameter) has a lot of clearance and the threads won’t even come close to catching in the spindle thread. In other words it’s way too small in diameter. Then I checked a spare lever that came in a box of parts and again a 4-40 screw has plenty of clearance.
Have any of the LCS tech experts run into this? Was there a change in thread size in earlier or later guns?
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