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The Range
Rifle & Shotgun Discussion
My 300 Blackout will not cycle subsonic
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<blockquote data-quote="gmar" data-source="post: 2794253" data-attributes="member: 9154"><p>What's the load data? If your rifle is like mine, there's a fine line on getting it to work. For example, shooting 208g Amax with 10.7g of Hodgdon 4198, it functions great and keeps the bolt open on the last round. With. 10.5g it functions but doesn't keep the bolt open. Both average 1000-1050 fps. I have a CMMG 8.5" barrel.</p></blockquote><p></p>
[QUOTE="gmar, post: 2794253, member: 9154"] What's the load data? If your rifle is like mine, there's a fine line on getting it to work. For example, shooting 208g Amax with 10.7g of Hodgdon 4198, it functions great and keeps the bolt open on the last round. With. 10.5g it functions but doesn't keep the bolt open. Both average 1000-1050 fps. I have a CMMG 8.5" barrel. [/QUOTE]
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My 300 Blackout will not cycle subsonic
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