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New HK .300 BO for Germany Army

inside 100 yards it doesn't make any difference, but velocity will be more in the 300bo.
The other benefit to .300blk over .45acp is the ability to swap out the heavy slow moving 220gr subsonic rounds for 125gr supersonic rounds that give 7.62x39 performance.

I currently have at least six firearms in .300blk possibly seven I can't recall at the moment. 😂
 
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