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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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<blockquote data-quote="pyroducksx3" data-source="post: 434320" data-attributes="member: 20443"><p>Ok even if the manuals are sissy it doesnt change the fact that at from the hodgens website with a charge of 76 gr of H-1000 they only recieve a velocity of 2883! So even if you pick up velocity by necking down and even if this was based on a 24" barrel, saying that you pick up 300 by necking down to 7mm and adding 4inch of barrel and 1 gr of power seems far fetched. I also compared data from the 300 win mag vs the 300 wsm and everything stays pretty consitant.So by comparing the 7mm wsm to the 7-300 win mag you would think you would get resonably equal result as well. But comparing the data a 7 wsm with a 162 gr amax reaches 3000 fps , this is with a 24 " barrel. Like I said there is so much to consider that I just dont know. Reviwing the data i can see that the 7-300 win mag has much more capasity than the 7mm wsm. The 7 wsm at 69.0 gr of h-1000 is compressed and obviously doesnt come close to the claimed 3300+ with 162 amax. But then again looking at hodgens website the 300 win mag using 84.0 gr of H-1000 and a 165 gr bullet only reaches 3117 fps, this far is 6 grains below the stated 79 gr and reaching 3340 with a 162 gr 7mm amax. Again I understand that the barrel length is not given for the hodgen data, so lets assume it 24". Looking at reloaders bench there is so no data for a 7 wsm using a 180 vld of anyone even getting much above 3000 fps using a 24" barrel. And looking at data ofthe 300 win mag 185 gr lapua sentar over 78.5 gr of h-1000 in a 26" barrel only reaching 2910 fps, that a 265 fps difference. Looking at reloaders nest people are getting a 180 gr bullet in 26" barrels in the 300 win mag using H-1000 up to the low 3100's but its in the 80.5-83+ range. I just have no expierance with wildcats so the more I look at it the more I get confused. At one point I read something I see its possible and then something else makes me doubt it.</p></blockquote><p></p>
[QUOTE="pyroducksx3, post: 434320, member: 20443"] Ok even if the manuals are sissy it doesnt change the fact that at from the hodgens website with a charge of 76 gr of H-1000 they only recieve a velocity of 2883! So even if you pick up velocity by necking down and even if this was based on a 24" barrel, saying that you pick up 300 by necking down to 7mm and adding 4inch of barrel and 1 gr of power seems far fetched. I also compared data from the 300 win mag vs the 300 wsm and everything stays pretty consitant.So by comparing the 7mm wsm to the 7-300 win mag you would think you would get resonably equal result as well. But comparing the data a 7 wsm with a 162 gr amax reaches 3000 fps , this is with a 24 " barrel. Like I said there is so much to consider that I just dont know. Reviwing the data i can see that the 7-300 win mag has much more capasity than the 7mm wsm. The 7 wsm at 69.0 gr of h-1000 is compressed and obviously doesnt come close to the claimed 3300+ with 162 amax. But then again looking at hodgens website the 300 win mag using 84.0 gr of H-1000 and a 165 gr bullet only reaches 3117 fps, this far is 6 grains below the stated 79 gr and reaching 3340 with a 162 gr 7mm amax. Again I understand that the barrel length is not given for the hodgen data, so lets assume it 24". Looking at reloaders bench there is so no data for a 7 wsm using a 180 vld of anyone even getting much above 3000 fps using a 24" barrel. And looking at data ofthe 300 win mag 185 gr lapua sentar over 78.5 gr of h-1000 in a 26" barrel only reaching 2910 fps, that a 265 fps difference. Looking at reloaders nest people are getting a 180 gr bullet in 26" barrels in the 300 win mag using H-1000 up to the low 3100's but its in the 80.5-83+ range. I just have no expierance with wildcats so the more I look at it the more I get confused. At one point I read something I see its possible and then something else makes me doubt it. [/QUOTE]
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Anyone own a 7mm 300 Win Mag?
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