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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.270wcf vs 6.8 Western & 270 WSM
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<blockquote data-quote="Capt RB" data-source="post: 2162702" data-attributes="member: 85987"><p>Just for reference, this past 2 weeks I have been working on my 270win and a new to me 7 mag. In the 270 I have a 130 load with the sst and BT in Fed brass the 130 is shooting 3139 ES 3 sd 1 well off max. The 140 game changer also is shooting 3140 Es 3 and sd 1 as well. Both bullets will shoot at or over 3200fps in my rifle without a swipe. The latest load is a 150 Berger I still need to complete the seating testing as it is not better than the other 2 in group size yet. This wants to shoot at 3133es 5 sd 1.7. This is out of a stock Weatherby vanguard 24" barrel running Rl26. All are seated long with the 150 3.410 coal currently. To think that the 170 Berger will only get to 2600fps in a standard 270 with 7828 magpro Retumbo or Rl26 just isn't correct. With a custom barrel and throated for the big bullets with a 3.5 or 3.6 coal in the 270 I don't see why 2900fps isn't realistic for a mild load and in something 27 or longer should see 3k. Will it shoot best there I cannot say however in my experience with Rl26 it seems to like to shoot with 100% case fill and near the top.</p><p> You can do that with the others I would guess and it should be faster still. I get a chuckle when I see 270wsm loads a tick or 2 slower than my 270 win that is getting marginalized as being washed up. RUn 61 grains of Rl26 under the 150 Berger and see for yourself.</p><p> With the 7 mag I just picked up 162 amax and 168 smk's over retumbo. I had both running well in the 3020-30 range. There is some room for more speed with RL26 but not a lot in this rifle. I ran a ladder but didn't get as much speed as I expected due to lower-than-expected pressure in the win brass vs the fed brass used for the retumbo loads. It does have more smack than the 150/270 and would be better by a decent margin ballistically. The 7 is also in a vanguard so 24" tube is on both.</p></blockquote><p></p>
[QUOTE="Capt RB, post: 2162702, member: 85987"] Just for reference, this past 2 weeks I have been working on my 270win and a new to me 7 mag. In the 270 I have a 130 load with the sst and BT in Fed brass the 130 is shooting 3139 ES 3 sd 1 well off max. The 140 game changer also is shooting 3140 Es 3 and sd 1 as well. Both bullets will shoot at or over 3200fps in my rifle without a swipe. The latest load is a 150 Berger I still need to complete the seating testing as it is not better than the other 2 in group size yet. This wants to shoot at 3133es 5 sd 1.7. This is out of a stock Weatherby vanguard 24" barrel running Rl26. All are seated long with the 150 3.410 coal currently. To think that the 170 Berger will only get to 2600fps in a standard 270 with 7828 magpro Retumbo or Rl26 just isn't correct. With a custom barrel and throated for the big bullets with a 3.5 or 3.6 coal in the 270 I don't see why 2900fps isn't realistic for a mild load and in something 27 or longer should see 3k. Will it shoot best there I cannot say however in my experience with Rl26 it seems to like to shoot with 100% case fill and near the top. You can do that with the others I would guess and it should be faster still. I get a chuckle when I see 270wsm loads a tick or 2 slower than my 270 win that is getting marginalized as being washed up. RUn 61 grains of Rl26 under the 150 Berger and see for yourself. With the 7 mag I just picked up 162 amax and 168 smk's over retumbo. I had both running well in the 3020-30 range. There is some room for more speed with RL26 but not a lot in this rifle. I ran a ladder but didn't get as much speed as I expected due to lower-than-expected pressure in the win brass vs the fed brass used for the retumbo loads. It does have more smack than the 150/270 and would be better by a decent margin ballistically. The 7 is also in a vanguard so 24" tube is on both. [/QUOTE]
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.270wcf vs 6.8 Western & 270 WSM
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