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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get my extreme deviation or spread DOWN?
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<blockquote data-quote="idaho elk hunter" data-source="post: 843034" data-attributes="member: 68226"><p>I built a 6.5-284 for one of my return valued customers 5 yrs ago. I knew the man knew how to shoot and how to load. He had a Weatherby MK5 action, Bartlien bbl, etc. When it left my shop it would print a .118 ctc group. He came back in 2 yrs and it opened up to a 2in group and upon closer examination his deviation was over 250 fps! He wanted a new barrel. With only 450 rds I knew something was wrong. After pushing him and questioning him he admitted he had listened to the internet and installed a David Tubb firing pin spring and had a titanium firing pin installed. The strikes on the primers were indicating this.I Installed a factory spring that I modify a steel firing pin and he was back in business. Moral of the story,, sometimes its not the obvious as the previous 4 pages point out, The internet is a danger place, and do not fix it if its not broke!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="idaho elk hunter, post: 843034, member: 68226"] I built a 6.5-284 for one of my return valued customers 5 yrs ago. I knew the man knew how to shoot and how to load. He had a Weatherby MK5 action, Bartlien bbl, etc. When it left my shop it would print a .118 ctc group. He came back in 2 yrs and it opened up to a 2in group and upon closer examination his deviation was over 250 fps! He wanted a new barrel. With only 450 rds I knew something was wrong. After pushing him and questioning him he admitted he had listened to the internet and installed a David Tubb firing pin spring and had a titanium firing pin installed. The strikes on the primers were indicating this.I Installed a factory spring that I modify a steel firing pin and he was back in business. Moral of the story,, sometimes its not the obvious as the previous 4 pages point out, The internet is a danger place, and do not fix it if its not broke!:cool: [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get my extreme deviation or spread DOWN?
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