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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
243 AI Custom LRH Rig Thoughts
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<blockquote data-quote="Kiwi Nate" data-source="post: 357997" data-attributes="member: 8533"><p>At long range, and in the absence of high velocity or high energy, all that is left is bullet mass and mechanical wounding (not hydraulic etc). Obviously, the greater the bullet mass and the more frangible it is, the wider the wound channel- again, strictly relevant to low velocity wounding.</p><p> </p><p>The pic below helps explain this point. I shot this goat with the 190 grain .308 VLD from an MV of 2550fps, range was just over 200 yards for an impact velocity of 2230fps or there abouts. In this close up, you can see a large fragment of the VLD. This is a large bullet designed to produce large fragments. The wounding speaks for itself.</p><p> </p><p><img src="http://lh3.ggpht.com/_Y39hCUjruqE/S112bxyGf6I/AAAAAAAAAC4/zJee38Trid8/s640/chest%20wounding%20plus%20fragment%20highlighted.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p> </p><p> </p><p> </p><p><img src="http://lh3.ggpht.com/_Y39hCUjruqE/S2oyHfjL9vI/AAAAAAAAADo/f_wscvAIcT8/s640/190%20grain%20VLD%20close%20up.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p> </p><p>Now have a look at this pic of the .243 Hornady 87 grain BTHP, an equally frangible projectile. MV was exactly 3200fps, range was 349 yards, impact velocity was 2384fps. The wound is quite diffused and on observation you would have to agree, it looks like it should have been very effective. Nevertheless, this Billy Goat ran off and took several minutes to expire. I really did think I had hit him too far back but when I did finally track hime down, it became apparent that the shot placement was good. Soory about the pic quality, this is a still taken from video.</p><p> </p><p><img src="http://lh3.ggpht.com/_Y39hCUjruqE/S2oyHn1q7lI/AAAAAAAAADw/y9MkGG17OX0/87%20gr%20BTSP%20at%20349%20yards.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p> </p><p>I get to shoot a lot of game, many species but lately, mostly pigs and goats. This morning, I shot 4 goats weighing 70kg (155lb), 4 goats weighing around the 40kg mark (90lb) and 2 young goats weighing around 10kg (22lb). Most of the carcasses were retrieved for dog food, a couple, plus the offal was left as pig bait. Tomorrow, I will have clients whom I will take after pigs, over these baits. The pigs here absorb .243, 6.5mm and low SD .308 projectiles, never to be recovered- even neck shots. I have since banned the use of 6mm calibers on our pig block. The .240 firing a 115 grain Berger would be unigue, high velocities plus high SD's.</p><p> </p><p>Regarding the .284, the reason I mentioned it is because it is a cartridge so often overlooked these days, a nice option for a hunter wanting something a little different rather than the usual magnum class LR hunting rifles. I don't know why people get the .284 case and immediately want to neck it down. Ultimately, very few people use the parent cartridge but those who do, achieve fantastic results. Grant LoveLock, owner of True-Flite Barrels New Zealand, decided, on a whim, to give the .284 a go for F-Class shooting late in 2008. The results have been beyond all expectations and from a long target barrel, Grant utilizes the 180 grain VLD at 2950fps. This combo has literally been a winner. The .284 is quite unique, low recoiling when built in an appropriate rifle, wind bucking and on game, hard hitting. Bullet choice in 7mm is plentiful, from controlled expanding to frangible, from 140 grains to 180 grains if using a 1:9 twist. Like I said, the .284 is very much overlooked but for no good reason.</p></blockquote><p></p>
[QUOTE="Kiwi Nate, post: 357997, member: 8533"] At long range, and in the absence of high velocity or high energy, all that is left is bullet mass and mechanical wounding (not hydraulic etc). Obviously, the greater the bullet mass and the more frangible it is, the wider the wound channel- again, strictly relevant to low velocity wounding. The pic below helps explain this point. I shot this goat with the 190 grain .308 VLD from an MV of 2550fps, range was just over 200 yards for an impact velocity of 2230fps or there abouts. In this close up, you can see a large fragment of the VLD. This is a large bullet designed to produce large fragments. The wounding speaks for itself. [IMG]http://lh3.ggpht.com/_Y39hCUjruqE/S112bxyGf6I/AAAAAAAAAC4/zJee38Trid8/s640/chest%20wounding%20plus%20fragment%20highlighted.jpg[/IMG] [IMG]http://lh3.ggpht.com/_Y39hCUjruqE/S2oyHfjL9vI/AAAAAAAAADo/f_wscvAIcT8/s640/190%20grain%20VLD%20close%20up.JPG[/IMG] Now have a look at this pic of the .243 Hornady 87 grain BTHP, an equally frangible projectile. MV was exactly 3200fps, range was 349 yards, impact velocity was 2384fps. The wound is quite diffused and on observation you would have to agree, it looks like it should have been very effective. Nevertheless, this Billy Goat ran off and took several minutes to expire. I really did think I had hit him too far back but when I did finally track hime down, it became apparent that the shot placement was good. Soory about the pic quality, this is a still taken from video. [IMG]http://lh3.ggpht.com/_Y39hCUjruqE/S2oyHn1q7lI/AAAAAAAAADw/y9MkGG17OX0/87%20gr%20BTSP%20at%20349%20yards.jpg[/IMG] I get to shoot a lot of game, many species but lately, mostly pigs and goats. This morning, I shot 4 goats weighing 70kg (155lb), 4 goats weighing around the 40kg mark (90lb) and 2 young goats weighing around 10kg (22lb). Most of the carcasses were retrieved for dog food, a couple, plus the offal was left as pig bait. Tomorrow, I will have clients whom I will take after pigs, over these baits. The pigs here absorb .243, 6.5mm and low SD .308 projectiles, never to be recovered- even neck shots. I have since banned the use of 6mm calibers on our pig block. The .240 firing a 115 grain Berger would be unigue, high velocities plus high SD's. Regarding the .284, the reason I mentioned it is because it is a cartridge so often overlooked these days, a nice option for a hunter wanting something a little different rather than the usual magnum class LR hunting rifles. I don't know why people get the .284 case and immediately want to neck it down. Ultimately, very few people use the parent cartridge but those who do, achieve fantastic results. Grant LoveLock, owner of True-Flite Barrels New Zealand, decided, on a whim, to give the .284 a go for F-Class shooting late in 2008. The results have been beyond all expectations and from a long target barrel, Grant utilizes the 180 grain VLD at 2950fps. This combo has literally been a winner. The .284 is quite unique, low recoiling when built in an appropriate rifle, wind bucking and on game, hard hitting. Bullet choice in 7mm is plentiful, from controlled expanding to frangible, from 140 grains to 180 grains if using a 1:9 twist. Like I said, the .284 is very much overlooked but for no good reason. [/QUOTE]
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