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Most of those BLR's in .358 have been slugging .3580"-.3582". Those barrels are VERY Uniform! However, throats tend to be a little on the large side in diameter, measuring .3595"-.361" (Depending upon the chambering reamer), yet while being generous in diameter the throats are pretty short as a general rule.
Best bullet diameter, without specifically slugging your gun, would probably be .359"
Too, beware that the 250g LFN, while a great bullet will be too long for your .358 Win BLR, as the throat is short, and your case neck isn't long enough to contain the bullet without the gas check protruding below the neck base. Best bullet choice for this application would be the 210g LFNGC.
Velocities will be limited by the cartridge, not the bullet, as those 210g LFNGC's I push to something just over 2800 FPS in my Whelen, with sub MOA accuracy!
Let us know what you find!
God Bless,
Marshall
Best bullet diameter, without specifically slugging your gun, would probably be .359"
Too, beware that the 250g LFN, while a great bullet will be too long for your .358 Win BLR, as the throat is short, and your case neck isn't long enough to contain the bullet without the gas check protruding below the neck base. Best bullet choice for this application would be the 210g LFNGC.
Velocities will be limited by the cartridge, not the bullet, as those 210g LFNGC's I push to something just over 2800 FPS in my Whelen, with sub MOA accuracy!
Let us know what you find!
God Bless,
Marshall
