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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Badlands Precision Bullets thread - From BC to terminal ballistics
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<blockquote data-quote="Pdvdh" data-source="post: 2073980" data-attributes="member: 4191"><p>I went back and looked at my most comparable load data, comparing the 300gr .338 Berger OTM bullet with the 275gr .338 Bulldozer-1 (not the newer Bulldozer-2).</p><p></p><p>28" 10-twist Bartlein barrel, chambered in .338 Lapua Rogue (37-degree shoulder).</p><p>Alliant RL-33 Powder, 338 Lapua brass, Fed GM 215M primers, 60F.</p><p></p><p>With the <u>300gr Berger OTM jammed 0.010"</u>, I was loading <u>105.3gr RL-33</u> and getting ~2,920fps MV.</p><p></p><p>With the <u>275gr Bulldozer, 0.040" jump</u> to lands, I was loading <u>103.2gr RL-33</u> and getting ~3,020fps MV.</p><p></p><p>So was using 2.1gr (2%) less RL-33, but with a 25gr (9%) lighter bullet. This isn't 100% comparable because of the differing bullet weights, but the best comparison I have from my 4 rifles. I switched powders in some of the rifles when I began loading the .284 and .308 Bulldozer bullets.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2073980, member: 4191"] I went back and looked at my most comparable load data, comparing the 300gr .338 Berger OTM bullet with the 275gr .338 Bulldozer-1 (not the newer Bulldozer-2). 28" 10-twist Bartlein barrel, chambered in .338 Lapua Rogue (37-degree shoulder). Alliant RL-33 Powder, 338 Lapua brass, Fed GM 215M primers, 60F. With the [U]300gr Berger OTM jammed 0.010"[/U], I was loading [U]105.3gr RL-33[/U] and getting ~2,920fps MV. With the [U]275gr Bulldozer, 0.040" jump[/U] to lands, I was loading [U]103.2gr RL-33[/U] and getting ~3,020fps MV. So was using 2.1gr (2%) less RL-33, but with a 25gr (9%) lighter bullet. This isn't 100% comparable because of the differing bullet weights, but the best comparison I have from my 4 rifles. I switched powders in some of the rifles when I began loading the .284 and .308 Bulldozer bullets. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Badlands Precision Bullets thread - From BC to terminal ballistics
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