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Good point on driving bands only for monometal bullets.

Sectional Density is derived from weight and calibre or frontal surface pir X radius squared and weight. The length of the projectile is irrelevant. It is relevant to ballistic coefficient.

I would probably shoot Woodleigh FMJ and Weldcore SPs or RN, of 480 grs in the .458 Win Mag if any 500 gr wasn't fast enough. The 480 gr was designed for NE velocities which the .458 Win Mag struggles even to obtain.

In the old netexpert debates on the .45/70, lever actions and cape buffalo hunting, when a raffle was suggested for a cape buffalo hunt where one had to use a .45/70 lever gun, all the fools could only think of was using the crappy way to slow 540 gr hard cast flat point bullets. Where they were promoted as "the slower they go, the more effective they penetrate", ha ha ha ha. Only because they break up if pushed too fast.

My solution would have been a 450 gr Barnes X or maybe one of they 450 gr monos. If a pointed bullet, one in the chamber, only one in the magazine. Perhaps flat point monis will now be safe in a magazine? Making the moronic .45/70 lever action arm chair aficionados happy.

Btw I know a .45/70 lever action can kill an elephant. I was in Zimbabwe in the Matetsi area when an American hunter tried skull shooting his down elephant bull with heavier lead projectiles to see how well they penetrated.

I have no doubt the 450 gr Monos would well work well enough in a .458 Win Mag for buffalo and elephant. Whether these bullets have raised driving bands is a question? And whether they will regulate is another question? Michael did not answer my question on the latter.

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John aka NitroX

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Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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