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Hunting
Long Range Hunting & Shooting
7mm PRC
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<blockquote data-quote="Cruzer" data-source="post: 2943817" data-attributes="member: 128068"><p>My buddy had some issues with this as well. 7MM PRC ridgeline. Blowing out primers and having hard extractions of the casings. It could've been from the break in process. By that I mean, we were not getting all the Copper 9 solvent out of the chamber and bore, there for, IMO causing some left over accelerant product of combustion in there causing a higher explosion temp. and psi. Therefore causing greater case expansion and not allowing for spring back and also causing primers to blow. Soooo we did a totally thorough cleaning and its seems the issue was no longer. So during barrel break in, be sure to inspect the receiver ring and the chamber for contaminants.</p></blockquote><p></p>
[QUOTE="Cruzer, post: 2943817, member: 128068"] My buddy had some issues with this as well. 7MM PRC ridgeline. Blowing out primers and having hard extractions of the casings. It could've been from the break in process. By that I mean, we were not getting all the Copper 9 solvent out of the chamber and bore, there for, IMO causing some left over accelerant product of combustion in there causing a higher explosion temp. and psi. Therefore causing greater case expansion and not allowing for spring back and also causing primers to blow. Soooo we did a totally thorough cleaning and its seems the issue was no longer. So during barrel break in, be sure to inspect the receiver ring and the chamber for contaminants. [/QUOTE]
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