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The first consideration is COL as a function of reliable feeding and influence on pressure. The bullet doesn't know if it is being crimped at the case mouth or inset as long as it is being crimped at the driving band. Nothing compared to the Nagant revolver round...

Interesting. It looks like everything above the frame is changed for semi-auto operation. I didn't realize how many cartridge types they covered. I'd guess it would be a lot of fun to shoot and relatively inexpensive.

Nimble1, How is that set up? I've seen them in promotional pieces, but not a review or close up. Joe

Thanks Joe, I normally try to stay over on my site and out of the way. It was an interesting thread and nice to have a chance to comment. Joe

Clark, I'd be glad to send some Super brass up, it is notibly thicker than the rest, and I shoot their +P for everything else. Maybe it is a lot to lot issue. When I called Starline I got the "It is heavier" reference. When I read off mic readings from sectioned brass he backed that down to...

I'd be really interested to see pictures of sectioned brass with visble headstamps that reflect your results. Incidentally, could you describe in objective terms and measurement what the difference is between unsupported and supported chambers? I've always been curious but never had it explained...

I'm not trying to be argumentive, but that is actually incorrect. I just finished a 460 Rowland / 45 Super project and part of the exercise was cross sectioning samples from various lots of standard, +P, Super and Rowland brass. I also followed up with Starline to verify findings. Super brass in...

Maybe some of this is useful - The conversion kit is also available for specific Commander models, so a little more compact. http://www.clarkcustomguns.com/rowland.htm. They also post ballistics and a brief Super - Rowland comparison. Clark advertises the Rowland as about 200 fps faster...