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Rifles, Reloading, Optics, Equipment
Reloading
Brass life expectantcy?
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<blockquote data-quote="Clark" data-source="post: 390895" data-attributes="member: 6600"><p>I read that 30-30 brass was weak:</p><p>"Speer 12" 1994:</p><p>"Some bolt-action and single-shot rifles have been chambered for this cartridge. Reloaders can sue spritzer-type bullets in these rifles, but should keep the weight to 150 grains or less. Heavier spritzer bullets cannot be drive fast enough in the 30-30 to expand reliably. We are occasionally asked if the 30-30 can be loaded to higher velocities in a modern bolt action like the Remington model 788. The answer is NO! The 30-30 case is an old design with relatively thin walls. Attempting to load "hotter" would risk a dangerous case failure."</p><p></p><p>Then I tested some at high pressure.</p><p>220 gr HNDY round nose moly W748 2.92" 26" barrel, Sav219L, 30-30</p><p>Quickload prediction:</p><p>33 gr 51 kpsi 2176 fps</p><p>34 gr 56 kpsi 2232 fps</p><p>35 gr 62 kpsi 2287 fps</p><p>36 gr 68 kpsi 2340 fps</p><p>37 gr 75 kpsi 2394 fps</p><p>38 gr 83 kpsi 2446 fps brass and primer still look good</p><p>39 gr 92 kpsi 2498 fps primer very cratered, case full of powder, ball powder compresses a hair below 2.92"</p><p>39 gr 92 kpsi 2498 fps primer very cratered, case full of powder, ball powder compresses a hair below 2.92"</p><p></p><p>Then I necked some down for 25/35:</p><p>25-35 100 gr HNDY moly 2.716" W748 1908 Braz Mauser, Win 94 26" octagon barrel, bushing adapter, 30-30 brass with modified rims. .474" diameter rim, .053" thick rim, .400" groove works very well</p><p>k) 33.5 gr, some effort in closing and lifting the bolt associated with the extractor on the reamer.</p><p>L) 34.5 gr 70kpsi 3130 fps, used neck sized brass from K)</p><p>ok</p><p>M) 35.5 gr 78k pis 3214 fps, used neck sized brass from K)</p><p>ok</p><p>N) 36.5 gr 87k psi, 3298 fps, used neck sized brass from K)</p><p>ok, case is just about full.</p><p></p><p>What does it all mean?</p><p>Speer 12 is wrong.</p><p>That 30-30 brass is tough.</p><p>Without an extractor groove, the primer pocket does not loosen easily.</p></blockquote><p></p>
[QUOTE="Clark, post: 390895, member: 6600"] I read that 30-30 brass was weak: "Speer 12" 1994: "Some bolt-action and single-shot rifles have been chambered for this cartridge. Reloaders can sue spritzer-type bullets in these rifles, but should keep the weight to 150 grains or less. Heavier spritzer bullets cannot be drive fast enough in the 30-30 to expand reliably. We are occasionally asked if the 30-30 can be loaded to higher velocities in a modern bolt action like the Remington model 788. The answer is NO! The 30-30 case is an old design with relatively thin walls. Attempting to load "hotter" would risk a dangerous case failure." Then I tested some at high pressure. 220 gr HNDY round nose moly W748 2.92" 26" barrel, Sav219L, 30-30 Quickload prediction: 33 gr 51 kpsi 2176 fps 34 gr 56 kpsi 2232 fps 35 gr 62 kpsi 2287 fps 36 gr 68 kpsi 2340 fps 37 gr 75 kpsi 2394 fps 38 gr 83 kpsi 2446 fps brass and primer still look good 39 gr 92 kpsi 2498 fps primer very cratered, case full of powder, ball powder compresses a hair below 2.92" 39 gr 92 kpsi 2498 fps primer very cratered, case full of powder, ball powder compresses a hair below 2.92" Then I necked some down for 25/35: 25-35 100 gr HNDY moly 2.716" W748 1908 Braz Mauser, Win 94 26" octagon barrel, bushing adapter, 30-30 brass with modified rims. .474" diameter rim, .053" thick rim, .400" groove works very well k) 33.5 gr, some effort in closing and lifting the bolt associated with the extractor on the reamer. L) 34.5 gr 70kpsi 3130 fps, used neck sized brass from K) ok M) 35.5 gr 78k pis 3214 fps, used neck sized brass from K) ok N) 36.5 gr 87k psi, 3298 fps, used neck sized brass from K) ok, case is just about full. What does it all mean? Speer 12 is wrong. That 30-30 brass is tough. Without an extractor groove, the primer pocket does not loosen easily. [/QUOTE]
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