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Rifles, Reloading, Optics, Equipment
Gunsmithing
.6.5 MM X 284 Build?
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<blockquote data-quote="Kevin Cram" data-source="post: 428981" data-attributes="member: 2215"><p>I've had the pleasure of working with the 6.5 - .284 cartridge in my own personal guns for over 10 years now. For 1000 yard target accuracy it's good for 600-800 rounds. Now that's shooting 10 shot sub 5" groups at 1000 yards with about 6 sighter shots prior. The barrel gets pretty hot. For hunting accuracy I'll let it go for up to 1200 rounds. Set the barrel back an inch or so and get another 600 rounds out of the barrel. I've never been able to get any sort of accuracy out of pushing the 140g class bullets much over 3000 fps. Chad's a little hot on his load and a little high on velocity especially for a starting spot from my experience. 51g - 53g of H4831SC, a Fed 210, a 140g A-Max or SMK, in Lapua brass will get you between 2950 and maybe a tinge over 3000 fps. The 6.5 - .284 is an exceptional round for accuracy. As for your original question about OAL. I run a 140g A-Max with the boat tail junction seated at the neck/shoulder junction and my measurement from tip of bullet to base of case is 3.125" I've shot the 6.5 - .284 in Kreiger, Brux, Shilen, Hart, Obermeyer, Broughton, Bartlein barrels. I've used 1-9 and 1-8 twist and could make the gun shoot under 1/2" at 200 yards all day in any of these barrels. The Obermeyer barrel is the unique one. Boots runs a tighter bore than any other .254" He's getting 2000 plus rounds out of his 6.5 - .284 and still staying competitive at 1000 yards with it. The only oddity I've found is that they all liked to shoot dirty. It normally would take 10-15 fouler shots for the accuracy to settle down, but then I could get close to 100 rounds of shooting with out cleaning before the accuracy went away. A good cleaning, some fouling shots and I was good to go again. I know it goes against everything I've learned about keeping them clean but hey it worked. I shot 1000 yard benchrest with the Hoovers (kings of the 6.5) and learned quite a bit about how good and versatile the 6.5 - .284 really can be. I wouldn't over look the 6.5 - .284 for long range hunting wood chucks and varmints out to 1000 + yards and deer size game out to 800 yards. The right chamber, good brass prep and loading technique is the key to top performance in this round.</p></blockquote><p></p>
[QUOTE="Kevin Cram, post: 428981, member: 2215"] I've had the pleasure of working with the 6.5 - .284 cartridge in my own personal guns for over 10 years now. For 1000 yard target accuracy it's good for 600-800 rounds. Now that's shooting 10 shot sub 5" groups at 1000 yards with about 6 sighter shots prior. The barrel gets pretty hot. For hunting accuracy I'll let it go for up to 1200 rounds. Set the barrel back an inch or so and get another 600 rounds out of the barrel. I've never been able to get any sort of accuracy out of pushing the 140g class bullets much over 3000 fps. Chad's a little hot on his load and a little high on velocity especially for a starting spot from my experience. 51g - 53g of H4831SC, a Fed 210, a 140g A-Max or SMK, in Lapua brass will get you between 2950 and maybe a tinge over 3000 fps. The 6.5 - .284 is an exceptional round for accuracy. As for your original question about OAL. I run a 140g A-Max with the boat tail junction seated at the neck/shoulder junction and my measurement from tip of bullet to base of case is 3.125" I've shot the 6.5 - .284 in Kreiger, Brux, Shilen, Hart, Obermeyer, Broughton, Bartlein barrels. I've used 1-9 and 1-8 twist and could make the gun shoot under 1/2" at 200 yards all day in any of these barrels. The Obermeyer barrel is the unique one. Boots runs a tighter bore than any other .254" He's getting 2000 plus rounds out of his 6.5 - .284 and still staying competitive at 1000 yards with it. The only oddity I've found is that they all liked to shoot dirty. It normally would take 10-15 fouler shots for the accuracy to settle down, but then I could get close to 100 rounds of shooting with out cleaning before the accuracy went away. A good cleaning, some fouling shots and I was good to go again. I know it goes against everything I've learned about keeping them clean but hey it worked. I shot 1000 yard benchrest with the Hoovers (kings of the 6.5) and learned quite a bit about how good and versatile the 6.5 - .284 really can be. I wouldn't over look the 6.5 - .284 for long range hunting wood chucks and varmints out to 1000 + yards and deer size game out to 800 yards. The right chamber, good brass prep and loading technique is the key to top performance in this round. [/QUOTE]
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.6.5 MM X 284 Build?
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