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Rifles, Reloading, Optics, Equipment
Reloading
Switching bullets effecting zero?
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<blockquote data-quote="CMP70306" data-source="post: 1908458" data-attributes="member: 36999"><p>I had a similar issue with my AR using 77gr Berger Handloads and Federal 55gr FMJ. When the barrel was clean it would shoot the Berger's around 0.75 MOA, I would do some positional shooting practice with the Federal's then let the rifle cool. When I would then shoot the Berger's again the groups would open up to almost 2", cleaning it brought the groups right back down to 0.75".</p><p></p><p>The only explanation I could find was that the copper from the Federal's did not play well with the Berger's so I switched to Frontier .223 and it seems to have removed the issue.</p></blockquote><p></p>
[QUOTE="CMP70306, post: 1908458, member: 36999"] I had a similar issue with my AR using 77gr Berger Handloads and Federal 55gr FMJ. When the barrel was clean it would shoot the Berger’s around 0.75 MOA, I would do some positional shooting practice with the Federal’s then let the rifle cool. When I would then shoot the Berger’s again the groups would open up to almost 2”, cleaning it brought the groups right back down to 0.75”. The only explanation I could find was that the copper from the Federal’s did not play well with the Berger’s so I switched to Frontier .223 and it seems to have removed the issue. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Switching bullets effecting zero?
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