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Rifles, Reloading, Optics, Equipment
Reloading
Big 338 powders??
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<blockquote data-quote="longrangehunterII" data-source="post: 811600" data-attributes="member: 61185"><p>Hey Jeff,</p><p></p><p>A friend sent me this today for my TRG-42 LM, I am a Lapua fan because it's a MIlitary round, but it is not even close in capacity to the Wby. which I could care less about, the recoil is already a lot with a 14 1/2 lbs. gun.</p><p></p><p>Cartridge : .338 Lapua Mag.</p><p>Bullet : .338, 300, Sierra HPBT LR MK 9300 G7 Litz</p><p>Useable Case Capaci: 92.057 grain H2O = 5.977 cm³</p><p>Cartridge O.A.L. L6: 3.681 inch = 93.50 mm</p><p>Barrel Length : 27.0 inch = 685.8 mm</p><p></p><p>I chose to brake in the barrel w/IMR 4350 since Sierra showed in a most accurate, which in my case it was rather accurate, but slow as snails pace; 78 grains only produced 2525 fps but put three out of twenty in the same hole even with cleaning the barrel. </p><p></p><p>I have on hand H1000, RL 22, 25 and 33, IMR 7828 and 7828 ssc, N170, 780 Supreme and almost anything else except the really slow stuff.... US869, and such. What would you suggest I try for shear accuracy and nothing else, bullet drop means almost nothing. I have 28.5 Mils of scope adjustment even with the 2525 fps 300 SMK round.</p></blockquote><p></p>
[QUOTE="longrangehunterII, post: 811600, member: 61185"] Hey Jeff, A friend sent me this today for my TRG-42 LM, I am a Lapua fan because it's a MIlitary round, but it is not even close in capacity to the Wby. which I could care less about, the recoil is already a lot with a 14 1/2 lbs. gun. Cartridge : .338 Lapua Mag. Bullet : .338, 300, Sierra HPBT LR MK 9300 G7 Litz Useable Case Capaci: 92.057 grain H2O = 5.977 cm³ Cartridge O.A.L. L6: 3.681 inch = 93.50 mm Barrel Length : 27.0 inch = 685.8 mm I chose to brake in the barrel w/IMR 4350 since Sierra showed in a most accurate, which in my case it was rather accurate, but slow as snails pace; 78 grains only produced 2525 fps but put three out of twenty in the same hole even with cleaning the barrel. I have on hand H1000, RL 22, 25 and 33, IMR 7828 and 7828 ssc, N170, 780 Supreme and almost anything else except the really slow stuff.... US869, and such. What would you suggest I try for shear accuracy and nothing else, bullet drop means almost nothing. I have 28.5 Mils of scope adjustment even with the 2525 fps 300 SMK round. [/QUOTE]
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Big 338 powders??
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