new winnie on the make

TexasLife

Handloader
May 24, 2020
527
465
I have my recoil lug and pin/dowel, so now the fun begins! It might look crazy, but all in all it's a 264wm🥳! Savage 110 w/ McGowen 32" 7.5T. Hoping to get the 150smk's going 3,300 or more. I need shorter action screws, then I'll be gtg.
 

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I'm fortunate enough to have 33, 570, retumbo, 1000, magnum and lrt. Prelim #'s are best with 570, lrt and retumbo in that order for the 150smk. It's a litter faster twist than needed for lapua 144fmj, but possibly around 3,400fps with 570? Barnes 145 around 3,350-3,380. I'll be starting from scratch and development will be eating up primers and powder. 70-80grs a whack per starts to add up or more so take away. Before I throat it, I'll stick with best depth for all 4 bullets and hope for the best. I could go with a larger cased 26cal, but decided to go with longer barrel for more velocity instead. Anyone have any suggestions on a good place to start? This is way beyond my realm, especially from 0 start?
 
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