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Rifles, Reloading, Optics, Equipment
Reloading
7mm RM neck & shoulder black
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<blockquote data-quote="SakoShooterSD" data-source="post: 507698" data-attributes="member: 33931"><p>I am seeing the same symptoms of burnt powder residue on the neck and shoulder, </p><p>from some rounds fired yesterday at the range with my 7mm Rem Mag. </p><p>(see attached picture).</p><p>7 rounds total fired.</p><p>Some show little or no residue. Some show it down to a line just above the base of the shoulder.</p><p></p><p>After the first three shots (one with a different load) the group turned out great: 0.35" for four shots, at 100yds.</p><p></p><p>So, is this residue on the shoulder a problem that I need to worry about? </p><p>Is it dangerous? </p><p>(Will it lead to damage to the gun or shooter?)</p><p></p><p>These latest loads were done with the following recipe:</p><p>Nosler brass, full-length resized in RCBS dies. This was the fourth firing.</p><p>68.9 gr of Retumbo powder.</p><p>150 gr Barnes TTSX bullet.</p><p>CCI 250 LRM primers.</p><p>COAL 3.290".</p><p></p><p>The first rounds fired did not have any mark, but I think that was because there was some leftover lube in the chamber from the previous gun cleaning. The cases had lube on them after extraction. (Yes, I should have run a dry patch through it. Next time I will.)</p><p></p><p>Any input would be welcome.</p><p>Thanks.</p></blockquote><p></p>
[QUOTE="SakoShooterSD, post: 507698, member: 33931"] I am seeing the same symptoms of burnt powder residue on the neck and shoulder, from some rounds fired yesterday at the range with my 7mm Rem Mag. (see attached picture). 7 rounds total fired. Some show little or no residue. Some show it down to a line just above the base of the shoulder. After the first three shots (one with a different load) the group turned out great: 0.35" for four shots, at 100yds. So, is this residue on the shoulder a problem that I need to worry about? Is it dangerous? (Will it lead to damage to the gun or shooter?) These latest loads were done with the following recipe: Nosler brass, full-length resized in RCBS dies. This was the fourth firing. 68.9 gr of Retumbo powder. 150 gr Barnes TTSX bullet. CCI 250 LRM primers. COAL 3.290". The first rounds fired did not have any mark, but I think that was because there was some leftover lube in the chamber from the previous gun cleaning. The cases had lube on them after extraction. (Yes, I should have run a dry patch through it. Next time I will.) Any input would be welcome. Thanks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm RM neck & shoulder black
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