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Rifles, Reloading, Optics, Equipment
Gunsmithing
7-300 Win chamber issues
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<blockquote data-quote="IdahoCTD" data-source="post: 1062393" data-attributes="member: 13110"><p>Is that pushed back enough to just chamber with resistance on the case? If so you can fireform just like that. Otherwise set the 7RM die so the cases just go in the some resistance. If your worried about it jam the bullets in the rifling a bit to help some. Belted cases don't really need contact at the shoulder, because they head space off of the belt, but if they don't have it for fireforming they tend to stretch in front of the belt upon firing. That can lead to premature case separation/failure. Fireformed cases (actually fired cases are the best) are better to order a die from instead of a reamer print. A print is what the reamer is suppose to be not what the chamber/reamer actually is. After you fireform the cases you can reload them with the 7RM dies and fire some normal loads to send cases off. Whidden makes some nice dies as well.</p></blockquote><p></p>
[QUOTE="IdahoCTD, post: 1062393, member: 13110"] Is that pushed back enough to just chamber with resistance on the case? If so you can fireform just like that. Otherwise set the 7RM die so the cases just go in the some resistance. If your worried about it jam the bullets in the rifling a bit to help some. Belted cases don't really need contact at the shoulder, because they head space off of the belt, but if they don't have it for fireforming they tend to stretch in front of the belt upon firing. That can lead to premature case separation/failure. Fireformed cases (actually fired cases are the best) are better to order a die from instead of a reamer print. A print is what the reamer is suppose to be not what the chamber/reamer actually is. After you fireform the cases you can reload them with the 7RM dies and fire some normal loads to send cases off. Whidden makes some nice dies as well. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7-300 Win chamber issues
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