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Long Range Hunting & Shooting
300 WSM bullet choice - T3 Lite
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<blockquote data-quote="MontanaRifleman" data-source="post: 807270" data-attributes="member: 11717"><p>DDB, Most welcome and welcome to LRH! </p><p></p><p>I think you might be overthinking it a little but who knows. Speed of sound is actually closer to 1,100 fps. The pressure and velocity of a particular load of powder and bullet will detrmine the barrel's harmonics and other things that affect the equation are type of brass, primer, bullet seating depth, length of throat, temp to name a few. All these will affect pressure and velocity which can and will affect accuracy and/or POI. This is why I am a little skeptical that a program could account for all these parameters. But if you're having sucess with it, that certainly is interesting.</p><p></p><p>I have found that heavier, stiffer barrels tend to be less affected by harmonincs or at least that's the impression I have based on my experiences with a couple of Senderos I owned. They shot most everything very well and were not fussy about loads. POI would shift slightly between loads which is a harmonics thing.</p><p></p><p>The way bedding affects harmonics is to keep it consistent from shot to shot. If your action has stresses on it or shifts around in the stock when fired that will induce inconsistencies. Bedding may be old school but you'll find that almost all precision shooters bed their actions to their stocks. It works.</p><p></p><p>On bullets, Game Kings should work well (never used them). They are like a lot of cup and core bullets and can be frangible which isn't all bad as they tend to do more damage and probably disable and kill a little quicker. That said, for short range shooting I like something like the E-Tip which is tough and holds together and will do a better job smashing through heavy bone, penetrating deeply and exiting. Partitions used to be my bullet of choice before LR hunting and i killed a lot of critters with them but I hated the way their tips deformed in the mag box. They still seemed to shoot well at short range anyway.</p><p></p><p>Here's some pics of E-Tips I recovered from my 300 RUM behind 400 and 500 yd targets. You'll note they have a flat vs rounded frontal and wide. They were shot into partially frozen gritty ground which is why one is missing part of a petal.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 807270, member: 11717"] DDB, Most welcome and welcome to LRH! I think you might be overthinking it a little but who knows. Speed of sound is actually closer to 1,100 fps. The pressure and velocity of a particular load of powder and bullet will detrmine the barrel's harmonics and other things that affect the equation are type of brass, primer, bullet seating depth, length of throat, temp to name a few. All these will affect pressure and velocity which can and will affect accuracy and/or POI. This is why I am a little skeptical that a program could account for all these parameters. But if you're having sucess with it, that certainly is interesting. I have found that heavier, stiffer barrels tend to be less affected by harmonincs or at least that's the impression I have based on my experiences with a couple of Senderos I owned. They shot most everything very well and were not fussy about loads. POI would shift slightly between loads which is a harmonics thing. The way bedding affects harmonics is to keep it consistent from shot to shot. If your action has stresses on it or shifts around in the stock when fired that will induce inconsistencies. Bedding may be old school but you'll find that almost all precision shooters bed their actions to their stocks. It works. On bullets, Game Kings should work well (never used them). They are like a lot of cup and core bullets and can be frangible which isn't all bad as they tend to do more damage and probably disable and kill a little quicker. That said, for short range shooting I like something like the E-Tip which is tough and holds together and will do a better job smashing through heavy bone, penetrating deeply and exiting. Partitions used to be my bullet of choice before LR hunting and i killed a lot of critters with them but I hated the way their tips deformed in the mag box. They still seemed to shoot well at short range anyway. Here's some pics of E-Tips I recovered from my 300 RUM behind 400 and 500 yd targets. You'll note they have a flat vs rounded frontal and wide. They were shot into partially frozen gritty ground which is why one is missing part of a petal. [/QUOTE]
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