AR Sponsor
Posted: 10/15/2007 6:36:49 AM EDT
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I have an Olympic AR (well, it used to be a PCR3, now just the lower and LPK are Olympic) that functions perfectly, but the selector is pretty tight, especially switching from fire to safe. If I try to safe the weapon with my firing hand thumb, I either have to shift my hand position or it chews up my thumb. There doesn't appear to be anything blocking the selector's travel inside the lower. Gun's got about 3k rounds through it. I shot someone else's AR for a bit during a class and I noticed a HUGE difference in how easily his selector moved. What should I look at rounding off/grinding down/polishing to make it smoother? Thanks :) |
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Check to make sure that the selector detent spring is not bound up or kinked in the pistol grip channel. Some of the after market grips can be short spring hole drilled or the spring may just be too long (the later much less likely to be the problem). Also, if needed, slightly blunt the sharp detent tip a bit on a sheet of 400 sandpaper (this will solve the excessive hardness of getting the selector out of the starting position of either safe or fire, but if the stroke is binding all the way across, then the spring setting/length is at fault).  |
AR Sponsor