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Rifles, Reloading, Optics, Equipment
Reloading
Savage 111 LRH 6.5-284 Loading Questions
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<blockquote data-quote="Nimrodmar10" data-source="post: 754360" data-attributes="member: 36369"><p>Loaded up some 6.5-284s with IMR7828SSC and Retumbo and headed to the range. It was 46°, 46% Humidity, 757 feet above sea level and 30.26" Hg. </p><p></p><p>Let me say right up front, <span style="color: Red">THESE LOADS ARE ABOVE MAXIMUM. DO NOT SHOOT THESE LOADS IN YOUR RIFLE WITHOUT REDUCING THE LOADS BY AT LEAST 4 GRAINS AND WORKING UP.</span></p><p></p><p>Given my results with the H4831SC, I took a chance and started with maximum loads for these two powders from the Berger Reloading Manual. I don't suggest anyone does this. The max load of 52 grains of IMR7828SSC was not a problem. I was able to increase the load to 54 grains IN MY RIFLE without showing signs of high pressure. NOT SO WITH RETUMBO. The manual listed 58.5 grains as MAX and it WAS. At 59.5 grains the bolt was slightly sticky and one case showed brass flow into the ejector hole. At 60.5 grains all three shells had brass flow into the ejector hole and slight brass wipe on bolt lift. Primers were completely flat on all Retumbo loads. </p><p></p><p>All shells were loaded in Lapua once fired, full length resized brass. Primers were Federal 210M match primers. Bullets were Berger 140 gr. VLD Hunting. Bullets were seated .040" off the lands for an COAL of 3.144". </p><p></p><p>Here are the results of the tests:</p><p></p><p>Powder Type_________Weight________Avg. Vel._______Grp. Sz._______Notes</p><p></p><p>IMR7828SSC_________52.0 gr,_______2814 fps_______.840"___________No sign of high pressure</p><p>IMR7828SSC_________53.0 gr._______2822 fps_______.500"___________No sign of high pressure</p><p>IMR7828SSC_________54.0 gr._______3000 fps______1.050"wf________ES 6, SD 3, No Hl press.</p><p></p><p>Retumbo_____________58.5 gr,________3072 fps______.910"___________Max Load</p><p>Retumbo_____________59.5 gr.________3107 fps______1.467"__________Over Max, Sticky Bolt</p><p>Retumbo_____________60.5 gr_________3159 fps______1.910"__________DANGEROUS LOAD</p><p></p><p>As in previous test, the fastest load is not the most accurate. I'm going to do more testing with the Retumbo between 57 and 58.5 gr, but no higher. Also more testing of the IMR7828SSC in the 3000 fps area. I'll shoot more of some of the same loads to find best accuracy and then start testing shorter and longer seating depths. Then lastly I'll try different primers. Fortunately, or unfortunately, I'm recovering from knee surgery and have some extra loading and trigger time,</p><p></p><p>Still open to suggestions on loading for this 6.5-284 Savage 111 LRH.</p></blockquote><p></p>
[QUOTE="Nimrodmar10, post: 754360, member: 36369"] Loaded up some 6.5-284s with IMR7828SSC and Retumbo and headed to the range. It was 46°, 46% Humidity, 757 feet above sea level and 30.26" Hg. Let me say right up front, [COLOR="Red"]THESE LOADS ARE ABOVE MAXIMUM. DO NOT SHOOT THESE LOADS IN YOUR RIFLE WITHOUT REDUCING THE LOADS BY AT LEAST 4 GRAINS AND WORKING UP.[/COLOR] Given my results with the H4831SC, I took a chance and started with maximum loads for these two powders from the Berger Reloading Manual. I don't suggest anyone does this. The max load of 52 grains of IMR7828SSC was not a problem. I was able to increase the load to 54 grains IN MY RIFLE without showing signs of high pressure. NOT SO WITH RETUMBO. The manual listed 58.5 grains as MAX and it WAS. At 59.5 grains the bolt was slightly sticky and one case showed brass flow into the ejector hole. At 60.5 grains all three shells had brass flow into the ejector hole and slight brass wipe on bolt lift. Primers were completely flat on all Retumbo loads. All shells were loaded in Lapua once fired, full length resized brass. Primers were Federal 210M match primers. Bullets were Berger 140 gr. VLD Hunting. Bullets were seated .040" off the lands for an COAL of 3.144". Here are the results of the tests: Powder Type_________Weight________Avg. Vel._______Grp. Sz._______Notes IMR7828SSC_________52.0 gr,_______2814 fps_______.840"___________No sign of high pressure IMR7828SSC_________53.0 gr._______2822 fps_______.500"___________No sign of high pressure IMR7828SSC_________54.0 gr._______3000 fps______1.050"wf________ES 6, SD 3, No Hl press. Retumbo_____________58.5 gr,________3072 fps______.910"___________Max Load Retumbo_____________59.5 gr.________3107 fps______1.467"__________Over Max, Sticky Bolt Retumbo_____________60.5 gr_________3159 fps______1.910"__________DANGEROUS LOAD As in previous test, the fastest load is not the most accurate. I'm going to do more testing with the Retumbo between 57 and 58.5 gr, but no higher. Also more testing of the IMR7828SSC in the 3000 fps area. I'll shoot more of some of the same loads to find best accuracy and then start testing shorter and longer seating depths. Then lastly I'll try different primers. Fortunately, or unfortunately, I'm recovering from knee surgery and have some extra loading and trigger time, Still open to suggestions on loading for this 6.5-284 Savage 111 LRH. [/QUOTE]
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Savage 111 LRH 6.5-284 Loading Questions
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