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Why not the .270?
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<blockquote data-quote="royinidaho" data-source="post: 271831" data-attributes="member: 2011"><p>Curley, et al.</p><p></p><p>I have found that for the 270 Win that Norma 205 was/is the best powder for the 130+ class bullets.</p><p></p><p>Way back in 1966 when I had the Douglas Premium 24" bbl installed on the 1908 Mauser action I stoked it up with all the 4831 I could get in it and went to shootin and harvesting. For 2 years I hunted with that load. The bullet of choice back then wsa the Sierra 130 Boat Tail.</p><p></p><p>I believed what the old Speer manuals said about velocity.</p><p></p><p>After a couple of years I bought an Oehler Chrono. The one with the paper and silver ink and clips to shoot through. I calibrated it every way I could and came to the quick conclusion that the 60gr of 4831 was neting a little over 2800 FPS. What a dissapointment.</p><p></p><p>I went looking for other powders. 4350 was a bit fast and gave the desired velocity but pressure were very near what a safety minded fella would want to use. Case life was only around 6 reloads. These days I settle for that in the extreme magnum rifles.</p><p></p><p>However, when I came across Norma 205 powder I thought I was in heaven. In the 24' Dougles the velocity was 3190 FPS and a good solid 3/4 MOA average group size. In those days I shot 5 shot groups.</p><p></p><p>Norma became unavailable and is still not the easiest to find.</p><p></p><p>I then, w/in the last 3 or so years learned that RL-22 is the same powder as Norma 205 but shorted by about 5 quality control checks. In other words I don't think it is the same consistency from lot to lot and is temperature sensitive.</p><p></p><p>Like I said before I stopped at 3200 fps just cause I think that's fast enough for the ol' winny. Most WSMs aren't loaded to nearly these velocities.</p><p></p><p>The new Lilja bbl is a 10 twist for longer bullets and the old girl's best group is on the fridge in Idaho and measures 0.011" CTC @ 100.</p><p></p><p>I have since given the rifle to my son who does nothing but hunt with it. So far he's great shooter out to 600 yds at large pop bottles but can't hit a standing deer at 110 yds. That was funnier than heck.</p><p></p><p>BTW, GG and the Utahr boys have plenty of experience with RL-22</p></blockquote><p></p>
[QUOTE="royinidaho, post: 271831, member: 2011"] Curley, et al. I have found that for the 270 Win that Norma 205 was/is the best powder for the 130+ class bullets. Way back in 1966 when I had the Douglas Premium 24" bbl installed on the 1908 Mauser action I stoked it up with all the 4831 I could get in it and went to shootin and harvesting. For 2 years I hunted with that load. The bullet of choice back then wsa the Sierra 130 Boat Tail. I believed what the old Speer manuals said about velocity. After a couple of years I bought an Oehler Chrono. The one with the paper and silver ink and clips to shoot through. I calibrated it every way I could and came to the quick conclusion that the 60gr of 4831 was neting a little over 2800 FPS. What a dissapointment. I went looking for other powders. 4350 was a bit fast and gave the desired velocity but pressure were very near what a safety minded fella would want to use. Case life was only around 6 reloads. These days I settle for that in the extreme magnum rifles. However, when I came across Norma 205 powder I thought I was in heaven. In the 24' Dougles the velocity was 3190 FPS and a good solid 3/4 MOA average group size. In those days I shot 5 shot groups. Norma became unavailable and is still not the easiest to find. I then, w/in the last 3 or so years learned that RL-22 is the same powder as Norma 205 but shorted by about 5 quality control checks. In other words I don't think it is the same consistency from lot to lot and is temperature sensitive. Like I said before I stopped at 3200 fps just cause I think that's fast enough for the ol' winny. Most WSMs aren't loaded to nearly these velocities. The new Lilja bbl is a 10 twist for longer bullets and the old girl's best group is on the fridge in Idaho and measures 0.011" CTC @ 100. I have since given the rifle to my son who does nothing but hunt with it. So far he's great shooter out to 600 yds at large pop bottles but can't hit a standing deer at 110 yds. That was funnier than heck. BTW, GG and the Utahr boys have plenty of experience with RL-22 [/QUOTE]
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