A couple of thoughts:

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This .338 XFB (a bullet which opens very well at 200-300 yards), didn't fare very well when fired from a 340 Weatherby into a moose at 535 yards. (Actually, you might suggest that it fared very well as it could be loaded and fired again. wink )

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And this 225 XFB fired from a 358 Winchester at between 200-300 yards might have been improved upon with the use of a 200 grain of similar construction.

Personally, I don't trust the calculated speeds of any of the bullets, and especially the monos when it comes to longer distances. In my opinion, about the only way I want to be shooting them at live targets is if I know whether the bullet has a reasonable chance of opening way out yonder. Simply put, copper is harder and tougher than lead and thin gilding metal jackets. John Nosler had a remarkably good, if simple idea when he came up with it many moons ago. It still is a standard worth pursuing IMO.


Sometimes, the air you 'let in'matters less than the air you 'let out'.