Hello fellow "Bwanna's"...Just got me a Gorgeous Westley Richards .577 Double "Best Grade"...Do any of you guys have a "Light" .577NE Double and would you please share your load data with the 650 grain bullets(83gr and /or 90gr Cordite Loads,NOT BP)This is sometimes called the "Tropical Load"...Velocities are around 1850fps...Also,your experiences with it on African Dangerous Game please...I have been told by 2 pros so far that the pentration with these are fantastic and they both have taken several Elephant and Buff with them,"No Problem"! ....Thanks for sharing

The 650 grain bullet at 1850 fps was for the 577 x 2 3/4". It was considered an Indian round and not suitable for African elephant.

Your .577 is probably a 577 x 3" which is regulated for 750 grains at 2050 fps.

On DG I have not used a 577 but I have used a 585 Nyati shooting a 750 grain solid at 2267 fps on one elephant and one buffalo. Penetration was not fantastic at all. I only got about 3.5 feet. An insurance shot on a buffalo that was fired into the top of the spine failed to exit out the bottom of the rib cage. That does not mean it is a bad round. Penetration was adequate, but only adequate.

Dan, if this is the rifle I think it is, no, it's a 90/650 3" gun built as a special lightweight model.

Safari, isn't this the lightweight Westley that was on GA recently? If so, I'd probably start with 100 grains RL 15 with 4 to 5 grains dacron fill and the 650 grain Woodleigh and work up from there shooting over a chronograph. I think 1850 fps was from 28" barrels.
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"Serious rifles have two barrels, everything else just burns gunpowder."

Oops! A tiger gun on a 3 inch case. I wonder how much full power loads would cross at 25 yards.

Dan:

If it's the gun I'm thinking of, yeah, a purpose-built tiger rifle, built light. Don't know how much 100/750s would cross. Not sure I'd want to get kicked hard enough to find out. Stunning rifle though.
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"Serious rifles have two barrels, everything else just burns gunpowder."

the full patch 750 grain load is 119 grains of rel 15 with 5 grains of dacron thats ross seyfired load and butch i belive uses 125 grains of rel 15 and a 750 grain bullet but his load is to be used in his guns only primer is fed 215.