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Lazy-H98

Winchester model 70 .270 150 grain load data?

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Any model 70 owners out there? What loads have you had success with? Getting ready to work some up but wanted some advice before I purchase some powders. Thanks in advance.

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Lazy-H98,

I don't know the specifics of your Model 70, such as barrel length, taper, weight, bedding, etc., but I've been loading for a friend's Savage 111 XP equipped with a 22 inch factory sporter contour barrel. We found that none of the 130 grain bullets could group better than a terrible 3 to 5 inches at 100 yards. The 140 grain bullets would typically group 3/4 to 1-1/2 inches at 100 yards. We found that the 150 grain Berger VLD over 55.5 grains of RE-19, at 2,900 corrected fps, would often group 1/3 to 1/2 inch at 100 yards. Obviously a lot of harmonics going on with this specific light barreled rifle. Results will be based upon the rifle's configuration. You must always start all your loads at safe minimums in the reloading manuals and work up.

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If it were me I would start with Rl-22. I've had great results with it in just about every cartridge based off the 06 case.

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Thanks guys. My model 70 has a 24" barrel, NON-floated. My last loads were charged with H4831SC 55 grains, 150 grain Nosler ballistic tips, Remington brass, Winchester primers. These worked for me. Never clocked them but I can hit water jugs at 400 yards with no issue. Just wondering if anyone has had success with another recipe.

 

BTW-I get the characteristic model 70 grouping with a hot barrel (shot 1 and 2 touching, shot 3 flyer) at 100 yards. Drove me nuts until I figured it out.

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My M70 .270 barrel shot very well with 150 partitions over H4831 and was not temp sensitive like the Reloder 22 I used with 130s.

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