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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Whisper & 300 Black Out
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<blockquote data-quote="Cemetery21" data-source="post: 2710604" data-attributes="member: 116948"><p>Just from memory, I think the Blackout has a slightly larger spec for the neck since they expect some brass to be made from cutdown 223 brass. So, if the brass resulted in a very tight neck in a Whisper chamber, then pressure could be high.</p><p>Edit - I think the shoulder position and brass length is the same in both. Somebody will be along that knows for sure. Mine is a Blackout and I have no issues with either brass and shoot mostly cutdown 223s.</p></blockquote><p></p>
[QUOTE="Cemetery21, post: 2710604, member: 116948"] Just from memory, I think the Blackout has a slightly larger spec for the neck since they expect some brass to be made from cutdown 223 brass. So, if the brass resulted in a very tight neck in a Whisper chamber, then pressure could be high. Edit - I think the shoulder position and brass length is the same in both. Somebody will be along that knows for sure. Mine is a Blackout and I have no issues with either brass and shoot mostly cutdown 223s. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Whisper & 300 Black Out
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