I'm puzzled by a bullet I'm asked to identify. It was pulled from a 223 case. The 62 grain bullet appears to be lead, has a gas check, and includes three neoprene rings around it where I'd expect grease grooves. The powder charge was about three grains of a flake type powder. Is any one familiar with a training round or any other application of this bullet? Thanks

If it is cast and gas-checked, it is likely to be a home-brew gallery load or the creation of a small commercial casting operation. I don't know why someone would go to the expense of using o-rings when lube is a lot cheaper? All that comes to mind is that perhaps they are meant to be recovered in a soft backstop and re-used? Is the bullet diameter itself smaller than .219", so that the o-rings are all that would touch down in the grooves and all that hold the bullet in the case neck? If so, I think the reusable theory is probably correct.

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Nick

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"First contemplation of the problems of Interior Ballistics gives the impression that they should yield rather easily to relatively simple methods of analysis. Further study shows the subject to be of almost unbelievable complexity." Homer Powley

the sample was pulled from a case containing a large number of rounds. I don't know how many, but if hanloads it was a mighty energetic loader. I only suspect that there is some unknown to me use for such bullets that might make factory loading understandable. Of course, I have no idea.