CBTO reloaded by me was always gauged on getting the tip of the bullet as close to the lands as possible without touching to reduce wobble. The measurement was found by taking 10 rounds of recently fired brass, loading to different CBTO lengths and loading, until a length that was the longest stayed the same length after ejection. Any that were too long would stick a bit and, contrary to thinking it would be shoved down shorter, it would come out longer due to the slight stick from being wedged against the lands.The downside has always been the cartridge will be too long for the magazine. This has been a big pain when shooting. I have run tests and found the longer cartridge to be a bit more accurate, but perhaps I was a bit biased and subconsciously skewed the results. Anybody have any comments or suggestions.
