sungazer wrote:The ADI manual is a bit all over the place with loads for a 55 gr pill. Some of the max load for one bullet are min loads for another. I pulled a buffalo River ADI/OSA round one of the GameKings I have the BlitzKings as well and the gave the same reading over the Chrono anyway the powder I would bet my left nut on was 8208 and it was about 23.6 grns The reasons for thinking it was the 8208 apart from looking the same was that the amount also nearly was what I would expect for the speed. I should recreate the load with my powder and see if it perform the same to verify. I don't know why they don't just put it on the box like Hornady.
One of the guys at my former club did the same, then contacted ADI and confirmed it was 8208.
The 55gr loads in ADI's data are obviously dependent on load and projectile length. The lower powder loads are for the NTX (copper) projectiles that are longer than their lead equivalents but loaded to the same length, which = reduced chamber volume and higher pressures for the same load.
The 55gr SPR SP (Speer Soft Point) data is a good place to start, as the Speer and Sierra SPs are almost identical. The 55gr Barnes Triple Shock is over .150" longer, hence the reduced charge:
http://www.jbmballistics.com/ballistics ... gths.shtml
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