Trickymissfit
Well-Known Member
the last Remington I bought shot 4.25" five shot groups with near perfect hand loads. (most were closer to five inch five shot groups). The barrel would have to be recut to be junk; it was that bad! The bolt was fairly square, but the head space was off by almost .070". The chamber was cut off center and at roughly a seven degree angle. The sock was their synthetic with the alloy bedding block that maybe had 25% contact. I slugged the barrel after giving it a Calfee look see. The muzzle had a bell mouth, and there were several tight and loose spots. The female threads for the barrel looked like a tapered pipe thread.
We trued the action, and recut the threads to where they ended up being about a 1.093"-20tpi. I cleaned up the bolt seating area on a B&S #13 grinder to get rid of a large burr the bolt was seating on. I did install an M16 extractor and modified the ejector pin and spring. For the barrel, I started with a 26" tomato stake. I cut (with a hack saw) about 2.5" (may have been 2.75") off the big end, and about three inches off the muzzle to get a 20" barrel. I then machine the barrel threads to be a tight fit in the receiver. From there I lapped the two together with #7a lapping compound. I reamed the chamber with a national match reamer, and recrowned it. The bedding block was a mess. I recut it with a ball end mill, and then lapped it about four thousandths smaller than the receiver diameter. Worked perfect. The next nightmare was the trigger. I went thru three before I got a factory trigger that worked.
First groups were about .75", but by the end of the day I was shooting .50" groups. Next time out I was shooting .40" groups and every once in awhile I'd get in the 3/8th's range.
This was my last Remington, and will be my last one.
gary
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