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Rifles, Reloading, Optics, Equipment
Reloading
7mm Rem mag and Berger bullets
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<blockquote data-quote="Spothogg32" data-source="post: 510846" data-attributes="member: 34158"><p>Thanks for the info so far guys. My starting loads showed signs of low pressure. The first 5 rounds with 68 grains of Retumbo and the 168gr Berger had powder residue all the way up to the belt on the case. But there was no sign of excessive pressure so I shot the next 5 shots with a half grain more powder and the residue problem got a little better by the time I hit 70gr of retumbo the residue was confined to just the neck of the case which is fairly normal in my experience. My groups decreased in size as the velocity increased. My last 5 shot group with 70gr of Retumbo measured .506" but was only going about 2814fps and the ES was 80fps. I had no signs of pressure yet so I am going to keep increasing the charges and see if the velocity comes in at around 3050 to 3100 is my goal and I hope to maitain the 1/2 moa groups. I have heard that this velocity is possible with the 7mm Rem mag but was wondering what other guys experiences have been?</p></blockquote><p></p>
[QUOTE="Spothogg32, post: 510846, member: 34158"] Thanks for the info so far guys. My starting loads showed signs of low pressure. The first 5 rounds with 68 grains of Retumbo and the 168gr Berger had powder residue all the way up to the belt on the case. But there was no sign of excessive pressure so I shot the next 5 shots with a half grain more powder and the residue problem got a little better by the time I hit 70gr of retumbo the residue was confined to just the neck of the case which is fairly normal in my experience. My groups decreased in size as the velocity increased. My last 5 shot group with 70gr of Retumbo measured .506" but was only going about 2814fps and the ES was 80fps. I had no signs of pressure yet so I am going to keep increasing the charges and see if the velocity comes in at around 3050 to 3100 is my goal and I hope to maitain the 1/2 moa groups. I have heard that this velocity is possible with the 7mm Rem mag but was wondering what other guys experiences have been? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm Rem mag and Berger bullets
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