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.500 Jeffrey (left) and .12.7X70mm/.500 Schuler (right). Note the difference in shoulder angle.
Big bores are notorious for not being accurate. Two-inch groups at 100 yards are often considered adequate, but when author shot this three-shot group using 570-grain Barnes Banded Solids he was elated.
To add a little more flare I decided to have some metal engraving as well. Michael Gouse of Gouse Freelance Firearms Engraving was contacted and a decision was made to have him do a modest amount of scroll engraving, and seeing how a couple of Cape buffalo brought me to this point, he would appropriately include an engraved Cape buffalo head on the floor plate.
In cases like the .500, finding reloading data can sometimes be a problem, but I was fortunate to find data on a couple of websites as well as in a reloading manual put out by A-Square. This provided a good point to start from and eventually I compiled my own data. (See table below.)
.500 Jeffery Rimless Reloading Data
Warning: Even though these loads were felt to be safe in the author’s current Rifle, ALWAYS start 5-10% below listed charge and work yourself up to a safe maximum level in your firearm. The author or this publication takes no responsibility for any result using these loads.