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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What ACTION for a 7mm-338 LAPUA Imp. cartridge?
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<blockquote data-quote="dakor" data-source="post: 64901" data-attributes="member: 2204"><p>Well GG I will add a few thoughts on your friends barrel. I can burn out a 308 in 300 rounds if I dont know how to shoot it. I mean if you get any rifle hot you can burn it out. If you want to campare hunting bullets that is fine. A 7mm 160 Accubond has a bc of .530 while a .308 180 Accubond has a bc of .508. Now as for your friend and his un accurate rifle I guess he had a bad barrel or could be the shooter but I am driving 140 gr Accubonds out of mine right now at 3390 fps and I can shoot a 2inch group at 500 yards with those. I also shoot 175 Sierra SPBT at 3150 and they will do about a 3inch group at 500 yards as well out of a Rem Sendero. Over the last 6 years I have shot and reloaded for 5 or 6 7mm STW's and they all shot plain and simple. As for the 7mm STW not being able to compete with a Big 338 why dont you punch in a 7mm 200 grain bullet with a bc of 1.0 going 3000 fps and compare it to a 338 Ultra shooting a 300 sierra MatchKing at 3000 or 3100fps. I think you will be very suprised at what you find at 1800 yards. As for horse power a 7mm STW in a 30inch barrel will drive that 200 grain at or above the 3000fps mark and if you doubt it punch in 2900fps I dont care. Then look at wind drift fps and energy. A 338 will have more energy but it will also have more wind drift and drop and less velocity Oh and more recoil and more powder down the tube. A friend of mine has a 30inch Hart on his and he is getting just a little over 3250fps with 180 bergers. Now the ULD Wildcat Bullets that I was talking about are hunting bullets with the same design as Kirby's 257 Allen mag just heavier and in a 7mm. As for throat Erosion a 338 lapua is going to burn the throat out a hell of a lot faster than a 7mm STW that I will bet money on!!!</p></blockquote><p></p>
[QUOTE="dakor, post: 64901, member: 2204"] Well GG I will add a few thoughts on your friends barrel. I can burn out a 308 in 300 rounds if I dont know how to shoot it. I mean if you get any rifle hot you can burn it out. If you want to campare hunting bullets that is fine. A 7mm 160 Accubond has a bc of .530 while a .308 180 Accubond has a bc of .508. Now as for your friend and his un accurate rifle I guess he had a bad barrel or could be the shooter but I am driving 140 gr Accubonds out of mine right now at 3390 fps and I can shoot a 2inch group at 500 yards with those. I also shoot 175 Sierra SPBT at 3150 and they will do about a 3inch group at 500 yards as well out of a Rem Sendero. Over the last 6 years I have shot and reloaded for 5 or 6 7mm STW's and they all shot plain and simple. As for the 7mm STW not being able to compete with a Big 338 why dont you punch in a 7mm 200 grain bullet with a bc of 1.0 going 3000 fps and compare it to a 338 Ultra shooting a 300 sierra MatchKing at 3000 or 3100fps. I think you will be very suprised at what you find at 1800 yards. As for horse power a 7mm STW in a 30inch barrel will drive that 200 grain at or above the 3000fps mark and if you doubt it punch in 2900fps I dont care. Then look at wind drift fps and energy. A 338 will have more energy but it will also have more wind drift and drop and less velocity Oh and more recoil and more powder down the tube. A friend of mine has a 30inch Hart on his and he is getting just a little over 3250fps with 180 bergers. Now the ULD Wildcat Bullets that I was talking about are hunting bullets with the same design as Kirby's 257 Allen mag just heavier and in a 7mm. As for throat Erosion a 338 lapua is going to burn the throat out a hell of a lot faster than a 7mm STW that I will bet money on!!! [/QUOTE]
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What ACTION for a 7mm-338 LAPUA Imp. cartridge?
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