jrobb45 0 Posted January 6, 2005 Report Share Posted January 6, 2005 I bought a 16" .308 about a month or so ago and, as usual, I clean it after every time I shoot. Nothing aggressive, just Hoppes, patches and Rem oil. What I've noticed is that the next time I shoot it, after cleaning, the groups open up until I've put about 30 rds. thru it, then they noticeably tighten up. I've been shooting Aussie surplus. Match ammo tends to shoot tight groups even thru a freshly cleaned barrel. Anyone else seen this? jrobb Quote Link to post Share on other sites
RooK 0 Posted January 7, 2005 Report Share Posted January 7, 2005 Have you tried shooting it without cleaning? I'm betting it just likes to shoot hot, although 'clean' barrels do sometimes exhibit odd accuracy variances from those that are fouled. Quote Link to post Share on other sites
Doerdie 0 Posted January 7, 2005 Report Share Posted January 7, 2005 Hmmm, never thought of that...I am going to test that theory with my 7.62. Quote Link to post Share on other sites
jrobb45 0 Posted January 7, 2005 Author Report Share Posted January 7, 2005 I think you're right about the warm, dirty barrel. I left the rifle dirty after I shot it earlier this week and took it out and shot it this morning. The first two 5 shot groups were about an inch low and 2 inches left and about 2 1/4' in diameter. The third and fourth groups were about 3/4" in diameter(50 yards). The barrel got hot and the groups opened up after that. So, I think the barrel needs to be fouled and warm, not hot, for it to shoot the best. Nice shooting conditions; 21 degrees. Thanks for the advice. jrobb That should be 2 1/4", not 2 1/4'. Quote Link to post Share on other sites
smithy5160 0 Posted January 7, 2005 Report Share Posted January 7, 2005 i shot when it was 6 degrees F, i couldnt feel my fingers but it shot accurate as hell from first to last round, i think i went through 45 or more Quote Link to post Share on other sites
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