Quote:
Originally Posted by JF
IIt surprised the heck out of me when I tried shooting subsonic 220gr lead and jacketed bullets in it. It stabalizes them for some reason and I get sub MOA groups at 100 yards. I checked the twist with a cleaning rod and it is a 1:10 twist just like I though it was supposed to be. Every other time I've tried shooting heavy subsonics in my 1:10 twist Remington barrels, the did not stabalize at all.
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It's not uncommon for twist rates to vary +/- 1/2" in "production grade" barrels so a 1:10" twist can run anywhere from 1:9.5" to 1:10.5"
That's why you may buy two barrels of 1:10" twist and one works better with heavier bullets that the other one does.