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Rifles, Reloading, Optics, Equipment
Gunsmithing
Rebarreling/rechambering a 7 rem mag to 7mm dakota?
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<blockquote data-quote="Michael O&#039;Connor" data-source="post: 1580226" data-attributes="member: 103722"><p>Go to a 7mm Blaser Magnum, it has same bolt face 30° Shoulder ~83 grain cap. and long neck for longer barrel life. Norma Brass. Efficient Cartridge, 2.35" Case. Seats long</p><p>1.51-1.55" boattails@ shoulder and neck</p><p>junction. Will run 3.340 COAL SAAMI length in normal long action magazine. Runs 151gr.Warner Flatlines to ~3300+ FPS and 180 gr. Berger Hybrids @ 3050-3080+ FPS and 195 gr. EOL @ 2925-2960 FPS. It will match all bullet velocity of the Dakota except for maybe the 195 gr. Berger. Very well designed and underated Cartridge. Dakota Brass is proprietary and expensive. 7mm Blaser Magnum uses Norma Brass. It has 76.251 gr. usable case capacity in the standard case and ~79.75 gr. in the IMP. blown out case.</p></blockquote><p></p>
[QUOTE="Michael O'Connor, post: 1580226, member: 103722"] Go to a 7mm Blaser Magnum, it has same bolt face 30° Shoulder ~83 grain cap. and long neck for longer barrel life. Norma Brass. Efficient Cartridge, 2.35" Case. Seats long 1.51-1.55" boattails@ shoulder and neck junction. Will run 3.340 COAL SAAMI length in normal long action magazine. Runs 151gr.Warner Flatlines to ~3300+ FPS and 180 gr. Berger Hybrids @ 3050-3080+ FPS and 195 gr. EOL @ 2925-2960 FPS. It will match all bullet velocity of the Dakota except for maybe the 195 gr. Berger. Very well designed and underated Cartridge. Dakota Brass is proprietary and expensive. 7mm Blaser Magnum uses Norma Brass. It has 76.251 gr. usable case capacity in the standard case and ~79.75 gr. in the IMP. blown out case. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Rebarreling/rechambering a 7 rem mag to 7mm dakota?
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