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Ditto for pm's

Both capable of half inch on a good day, three quarter on an average one. The 257Wby is faster by around 200fps on any given load, really only equates to an extra hundred yards of clean killing range...

With ADI 2225 and 2217, H1000 ect, mag primers will be fine, but you really do want to get over a chrony to make sure of what is going on, pressure signs don't allways show early. If you really are...

[QUOTE=307win;218280]I use
-117gr Gamekings with 52gr 2213sc
- 110gr hornady interbonds (have only done load havn't used hunting yet) with 51gr 2213sc
- 75gr vmax with 58gr 2213sc these are...

My action is a Mk5 Wby,very strong! with a P17, you would not look to go too far in the red zone with your loads, but as a general guide, one of the indicators I look for is the extractor mark rather...

Switch to 2206H for your 75gn loads (my max 75 Vmax load is 49gn to get an averaged 3746fps ), solid velocity gains over 08. 2209 will be great for the rest, am getting averaged 3152fps with 54gn...