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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Lapua Loads
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<blockquote data-quote="chris matthews" data-source="post: 29731" data-attributes="member: 66"><p>I have not had very good experiences with N560. It seems to give weird, unexplainable pressure spikes. For example- was testing a single shot Sako with a "middle of the road" load of N560 and 300 gr MK. Basically a zeroing and barrel break in load. Shot 5, everything fine. Next one I had to beat the bolt open. Next 3 fine. Next had to beat again. Then 6 fine then beat two open.</p><p>Had this same scenario happen several different times with different Lapuas and 300 WSM.</p><p></p><p>I use Retumbo, 94 gr over a 300gr MK. Rel 22 or 25 is also given me good results over 250 or 300gr MK.</p></blockquote><p></p>
[QUOTE="chris matthews, post: 29731, member: 66"] I have not had very good experiences with N560. It seems to give weird, unexplainable pressure spikes. For example- was testing a single shot Sako with a "middle of the road" load of N560 and 300 gr MK. Basically a zeroing and barrel break in load. Shot 5, everything fine. Next one I had to beat the bolt open. Next 3 fine. Next had to beat again. Then 6 fine then beat two open. Had this same scenario happen several different times with different Lapuas and 300 WSM. I use Retumbo, 94 gr over a 300gr MK. Rel 22 or 25 is also given me good results over 250 or 300gr MK. [/QUOTE]
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338 Lapua Loads
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