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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Short barreled 7mm ??? Help me pick - people with experience please
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<blockquote data-quote="Stgraves260" data-source="post: 2342737" data-attributes="member: 19988"><p>That info helps. I would go by the manufacture recommend velocity needed for proper bullet expansion. For Hornady ELD the last I checked was 1800 FPS. If a 7MM Rem Mag Launches a 175gr ELD bullet from a 26" barrel at 2850ish FPS and if you loose roughly 35ish FPS per inch ) I have seen up to a 50 FPS loss on magnum rifles ) of barrel length thats 280 FPS loss out the gate. That puts you under 7-08 performance. Ouch!! We will go with your selection of cartridges you gave us. Now that 175 grain bullet will be in the 2500ish FPS range. That will limit you out to 600 yards at 7000 ft above sea level. At 600 yards it will carry right around Hornady's recommended 1800 FPS for proper expansion. That is a bit shy for elk out to and past 1,000 yards. It would be different if you were talking target shooting. Sense your talking about taking the life of something than we need to stick to Hornady's recommendation FPS needed for proper bullet expansion. Or whatever bullet maker you choose. Hope this helps.</p></blockquote><p></p>
[QUOTE="Stgraves260, post: 2342737, member: 19988"] That info helps. I would go by the manufacture recommend velocity needed for proper bullet expansion. For Hornady ELD the last I checked was 1800 FPS. If a 7MM Rem Mag Launches a 175gr ELD bullet from a 26” barrel at 2850ish FPS and if you loose roughly 35ish FPS per inch ) I have seen up to a 50 FPS loss on magnum rifles ) of barrel length thats 280 FPS loss out the gate. That puts you under 7-08 performance. Ouch!! We will go with your selection of cartridges you gave us. Now that 175 grain bullet will be in the 2500ish FPS range. That will limit you out to 600 yards at 7000 ft above sea level. At 600 yards it will carry right around Hornady’s recommended 1800 FPS for proper expansion. That is a bit shy for elk out to and past 1,000 yards. It would be different if you were talking target shooting. Sense your talking about taking the life of something than we need to stick to Hornady’s recommendation FPS needed for proper bullet expansion. Or whatever bullet maker you choose. Hope this helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Short barreled 7mm ??? Help me pick - people with experience please
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