Right, so I tested most of those loads. I was getting roughly the results below:
- 130g speer grouping relatively well at low charges. Still cruising at around 2700fps
- 145g speer wasn't a great performer with no groups 1" or less at 100yd but was running pretty fast around 2650fps (and up to 2750 when loaded over max rec charge), which was surprising.
-139g interlock grouped 1inch at 100yd and was pretty consistent at 2700fps.
-120gr Barnes ttsx loaded at max charge running 2920fps with a 1inch group at 100yds.
My favourite so far is the 139 interlock at max rec charge running 2700fps. Felt good to shoot and felt consistent as well as being much cheaper than Barnes. Of course will follow up those loads with more time at the range.
Another interesting/frustrating finding was that there were a few loads where two shots were almost through the same hole and the third was off to the side but generally about the same horizontal. This happened a few times (pic below). Any thoughts on that would be appreciated. I'm unsure if it's loader error, shooter error, or gear error. But given I got some "good enough" groupings I'd be surprised if it was gear. The main thing I leant from that was to load more than three 🙄
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