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Marshall, I will post another question on load development for the 358 winchester in a Ruger 77 with 200 and 215 grain BB. Please respond.
maurice jurena
 

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Maurice,

Sorry for not having gotten back to you... somehow missed the post!

Well, the .358 Winchester is a great cast bullet gun, especially in the M77 Ruger.   The throat is such that bullets over the 215 grain threshold won't work the best due to the bullet necessarily having to be seated deeper than the bottom of the case neck in order to chamber properly.

However, you did ask about the 200 and 215 grain bullets specifically, and they are the ones you want for your .358 Winchester.

Try these loads... they are good ones!

BTB .359"-200g FNGC/42.0g AA#2015/WLRP/Win Brass/2530 fps

BTB .359"-200g FNGC/46.0g AA#2520/WLRP/Win Brass/2540 fps.

BTB .359"-200g FNGC/40.9g H4198/WLRP/Win Brass/2480 fps

BTB .359"-215g LFNGC/48.2g H335/WLRP/Win Brass/2475 fps

BTB .359"-215g LFNGC/40.8g H4198/WLRP/Win Brass/2525 fps.

BTB .359"-215g LFNGC/46.2g AA#2495/WLRP/Win Brass/2485 fps.

I assume you wanted pretty much full throttle loads. Hope these help!

God Bless

Marshall
 
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