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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Advice please - Kimber Rifles
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<blockquote data-quote="bedrok" data-source="post: 492182" data-attributes="member: 25202"><p>Sorry to bring up this subject again but I'd like any suggestions as to the cause of the following symptoms. The 'smith blue printed the action and by my inspection did a good job. I had to bump back the shoulder on my pet loads because the chamber is a few thousenths smaller. Now they shoot 1-1/4 MOA. I worked up a bunch of other loads with the same results. The wierd thing is it's EXACTLY 1-1/4. Nine out of ten 5 shot groups measure within 1/16 inch of each other. I've already determined the bullet has to be within .010 of the lands and the head space has to be within .001 or things go completley to crap. I've culled every round with more than .002 run out. These cases are neck turned and sized with a bushing die. I'd suspect the barrel, not the chamber, bedding, etc. EXCEPT: the darn thing shoots the same with a smoking hot barrel as it does with a cold one. I've never experianced this before. Any suggestions?</p></blockquote><p></p>
[QUOTE="bedrok, post: 492182, member: 25202"] Sorry to bring up this subject again but I'd like any suggestions as to the cause of the following symptoms. The 'smith blue printed the action and by my inspection did a good job. I had to bump back the shoulder on my pet loads because the chamber is a few thousenths smaller. Now they shoot 1-1/4 MOA. I worked up a bunch of other loads with the same results. The wierd thing is it's EXACTLY 1-1/4. Nine out of ten 5 shot groups measure within 1/16 inch of each other. I've already determined the bullet has to be within .010 of the lands and the head space has to be within .001 or things go completley to crap. I've culled every round with more than .002 run out. These cases are neck turned and sized with a bushing die. I'd suspect the barrel, not the chamber, bedding, etc. EXCEPT: the darn thing shoots the same with a smoking hot barrel as it does with a cold one. I've never experianced this before. Any suggestions? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Advice please - Kimber Rifles
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