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<blockquote data-quote="Chopaka81" data-source="post: 1915119" data-attributes="member: 9217">I have been following this thread since it began in 2019. I am wondering if anyone has worked with the 129gr or 130gr bullets? My main interest is a mule deer load.I have not ruled out the 142 &amp; 143 gr bullets. I have fire formed 50 Lapua 260 cases out to 260 AI 40 deg. Today I test fired 50 rds using H4831SC, Fed 215 Match primers, and Sierra 130gr Tipped GK&#039;s. With 5 loads per charge, I worked up from 47.3 grs in 0.3 gr steps to 50.0 grs of H4831SC. Clearly for a 130 gr bullet 50.0 grs was a maximum charge. At 48.5 &amp; 49.1 grs I hit a couple very nice &quot;nodes&quot; and groups dropped to into the .4&#039;s at 100 meters. I am going to bracket these 2 charges +/- 0.1 grs and see if things improve with the Sierra 130 gr TGK. 5 rds/charge. I do have a box of Nosler 129 gr LRAB&#039;s that I can experiment with too. I am willing to give a Berger a try too. My goal is to 3,000 fps (or so). I am wondering if switching to a non-magnum LR primer would improve things? Also looking for a couple lbs of RE-26, can&#039;t find it anywhere. Looking for suggestions.Thanks, Don</blockquote>

[QUOTE="Chopaka81, post: 1915119, member: 9217"] I have been following this thread since it began in 2019. I am wondering if anyone has worked with the 129gr or 130gr bullets? My main interest is a mule deer load. I have not ruled out the 142 & 143 gr bullets. I have fire formed 50 Lapua 260 cases out to 260 AI 40 deg. Today I test fired 50 rds using H4831SC, Fed 215 Match primers, and Sierra 130gr Tipped GK's. With 5 loads per charge, I worked up from 47.3 grs in 0.3 gr steps to 50.0 grs of H4831SC. Clearly for a 130 gr bullet 50.0 grs was a maximum charge. At 48.5 & 49.1 grs I hit a couple very nice "nodes" and groups dropped to into the .4's at 100 meters. I am going to bracket these 2 charges +/- 0.1 grs and see if things improve with the Sierra 130 gr TGK. 5 rds/charge. I do have a box of Nosler 129 gr LRAB's that I can experiment with too. I am willing to give a Berger a try too. My goal is to 3,000 fps (or so). I am wondering if switching to a non-magnum LR primer would improve things? Also looking for a couple lbs of RE-26, can't find it anywhere. Looking for suggestions. Thanks, Don [/QUOTE]

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