Originally Posted by 260Remguy
Originally Posted by memtb

At expected velocities, especially if cast bullets are used, the .375. While the difference is not great.....at low velocities or a non-expanding bullet.....the larger diameter bullet is simply better for hunting big game! IMO memtb


Considering that they had micro-groove rifling, will Marlin 375s work well with cast bullets?

Mine works well with cast bullets. I ordered Laser Cast 240 grain bullets, sized to.379 and they work well at 2000 ft per sec. I had previously used the same bullet sized to.377 and it worked well up to about 1500 ft per sec but accuracy deteriorated after that.

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