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270 win, 150g sbt's and RL-22 results

 
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Old 04-02-2006, 02:02 PM
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Join Date: Jun 2003
Location: Hermiston, Oregon
Posts: 2,005
270 win, 150g sbt\'s and RL-22 results

Since all the talk about RL-22 being so accurate. I figured what the hell, I'll try it in my 270 with 150g gamekings. I had already found a load that shot 1.5" at 200 yards for 5 shots with 57.5g h-4831sc with a muzzle velocity of 2920fps in a 22" bbl. I was very happy and thats about the best group I have got with h4831sc out of this rifle with about 30 loads tested. I have never not liked RL-22, I just shyed away from it a couple years ago from the talk of it being temp sensitive, so I switched to hodgon extreme line of powders. I used RL-22 in my first 25-06 and my 300 WM and got excellent groups. That was before I had a crono and was a member on this site. So anyways, a lot of people have said to put 58g RL-22 behind a 150g bullet and it should be icing on the cake. Well I loaded up 3 loads last night with 57g, 57.5g, and 58g with Fed 215 mag primer, w-w cases, and OAL of 3.410". Results are as follows at 200 yards.

57g 2" 3 shot group
2996fps
2990fps
2991fps

57.5g .563" 3 shots
3020fps
3004fps
2993fps


58g 2" 3 shots
2920fps??
3010fps
3039fps

I would say theres definately a sweet spot at 57.5g. Thats where H-4831sc did the best as well. Anyways, I'll take a .56" 3 shot group at 200 yards with a factory rifle any day of the week! Velocity was also 3010fps for the average, which is 90fps faster then my h-4831sc load. I think I will use RL-22 from now on out of this rifle with these bullets. A 150g gameking at 3010fps is no slouch out of a 270 with a 22" bbl.
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Old 04-02-2006, 04:55 PM
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Join Date: Sep 2004
Location: Nevada
Posts: 564
Re: 270 win, 150g sbt\'s and RL-22 results

For my 270 r-22 and imr 7828 I use cci 250 mag primers. I found that really closed up the FPS deviation
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.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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