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I have a 500 3 1/4" BPE that I have worked up a good NFB load for using 440 grain Woodleighs. Problem is, with the original sights it shoots 6 inches high at 50 meters. Tried multiple powders, and varying velocities, but it never really changes more than an inch.
The 440 grain bullet seems to be the excepted weight for the NFB loading with this cartridge. However every vintage black powder loading I have come across (Eley and Kynoch) for the 3 1/4" has used 480 grain bullets.
Before I waist my time and money experimenting with heavier bullets, I would like to know if anyone has had similar problems and found a cure. Think the extra 40 grains would lower the POI that much? I can of course change the front sight, but I really don't want to do that.

Thanks,
Josh

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IMO, a heavier bullet will make it shoot even higher and apart, because of lengthening the Barrel time. If the load you are useing shoots good composite groups then I'd simply install a higher front sight! A good smith can make you a sight that looks exactly like the one you have, and make it look old as well! That is what I'd do, but you can certainly try the heavier bullets! They may do the trick, because sometimes double rifles simply do not follow the rules!

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..........Mac >>>===(x)===>
DUGABOY1, and MacD37 founding member of DRSS www.doublerifleshooterssociety.com
"If I die today, I have had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"

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