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Message: <blockquote data-quote="Norman" data-source="post: 3903633" data-attributes="member: 4232"><p>24.5 is pretty hot, but Ramshot shot max load for 5.56 and 77 grain SMK as 24.8.  I’d shoot for 2600 FPS+, which should be very doable while under sub MOA ( or .28 mils/whatever tickles your fancy).  I’d also  verify charge weight with a beam scale.  Sometimes a draft, static, ‘dirty’ electricity, powder under the platen or not being turned in a while to “warm” them up can mess with chargemasters and electronic scales.</p></blockquote><p></p>