Mine finally works. The last issue was unreliable ejection. The extractor on the kak magnum bolt needed some fitting. It didn't have any cam-out with a brass head in the bolt face pocket, so that the extractor unhooked from the extraction groove prematurely.
The x-caliber barrel is top notch. The rifle shoots close to 1moa, occasionally better than, 10-shot from cold bore. It kicks rather noticeably, pushing 140gr bullet close to 3000fps, so I put a brake on even I don't like the noise. Burns a lot of powder and the brass costs small fortune. After some serious tinkering I can now convert from .300 wsm at a fraction of the price.
Now what's the next silly caliber I should try?
-TL
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