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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
3 groove barrels
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<blockquote data-quote="alremkin" data-source="post: 60950" data-attributes="member: 3345"><p>Let me relate a little experience I've had with bullet performance from a 338 Win Mag with a 250 Sierra spitzer boatail with a muzzle velocity of 2780fps. Years ago I shot a Mule Deer forked horn. I was above him sitting watching two passes over a ridge I knew had lots of deer on it. The shot was about 50yds and vaporized about 2" of back bone and where 3 ribs connected on one side and 4 ribs on the other. The bullet showoed near perfect mushrooming and performance. I recovered it under the skin off side in the brisket. At the time I decided that this would mean I shouldn't take a shoulder shot on Elk or Moose with this bullet.</p><p></p><p>In '87 I shot a Moose broadside @ 150 yards the bullet hit a rib and exploded, but I recovered all the fragments in the off side rib area some in the ribs and some almost completely through the ribs. When the Moose fell his feet went up in the air almost 90 degrees and he flopped down dead.</p><p></p><p>In '90 I shot a Moose with a similar shot. This time he walked about 3 or 4 steps and sat down with his head up. I fired another shot and he stayed there! /ubbthreads/images/graemlins/shocked.gif I thought, "Wait a minute a Moose wouldn't just go sit down like that after being shot at". Sure enough after I reloaded and went up to check him his head had landed on a piece of wood I couldn't see making it look like he was sitting there with his head up. The two shots were about 1/2" apart and surprisingly neither hit a rib. Absolutely no meat damage on this animal /ubbthreads/images/graemlins/grin.gif and his heart was loose in his chest.</p><p></p><p>In my new Weatherby Accumark 338/378 I'm planning to develope a load with the 300gr SMK for my intermediate and long range bullet and another load with a Swift Bonded Core 275gr for under 300 yards. Of course I'm hoping it will be possible to approximate the ballistics of the Sierra by slightly downloading the lighter bonded Swift bullet /ubbthreads/images/graemlins/cool.gif I thought I'd run this by people here to see if this seems reasonable. I'm open to suggestion. /ubbthreads/images/graemlins/grin.gif</p></blockquote><p></p>
[QUOTE="alremkin, post: 60950, member: 3345"] Let me relate a little experience I've had with bullet performance from a 338 Win Mag with a 250 Sierra spitzer boatail with a muzzle velocity of 2780fps. Years ago I shot a Mule Deer forked horn. I was above him sitting watching two passes over a ridge I knew had lots of deer on it. The shot was about 50yds and vaporized about 2" of back bone and where 3 ribs connected on one side and 4 ribs on the other. The bullet showoed near perfect mushrooming and performance. I recovered it under the skin off side in the brisket. At the time I decided that this would mean I shouldn't take a shoulder shot on Elk or Moose with this bullet. In '87 I shot a Moose broadside @ 150 yards the bullet hit a rib and exploded, but I recovered all the fragments in the off side rib area some in the ribs and some almost completely through the ribs. When the Moose fell his feet went up in the air almost 90 degrees and he flopped down dead. In '90 I shot a Moose with a similar shot. This time he walked about 3 or 4 steps and sat down with his head up. I fired another shot and he stayed there! [img]/ubbthreads/images/graemlins/shocked.gif[/img] I thought, "Wait a minute a Moose wouldn't just go sit down like that after being shot at". Sure enough after I reloaded and went up to check him his head had landed on a piece of wood I couldn't see making it look like he was sitting there with his head up. The two shots were about 1/2" apart and surprisingly neither hit a rib. Absolutely no meat damage on this animal [img]/ubbthreads/images/graemlins/grin.gif[/img] and his heart was loose in his chest. In my new Weatherby Accumark 338/378 I'm planning to develope a load with the 300gr SMK for my intermediate and long range bullet and another load with a Swift Bonded Core 275gr for under 300 yards. Of course I'm hoping it will be possible to approximate the ballistics of the Sierra by slightly downloading the lighter bonded Swift bullet [img]/ubbthreads/images/graemlins/cool.gif[/img] I thought I'd run this by people here to see if this seems reasonable. I'm open to suggestion. [img]/ubbthreads/images/graemlins/grin.gif[/img] [/QUOTE]
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