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I have been seeing alot of 260AI builds and was wondering what everyone was shooting out of there 260AI? I looked at reloadersnest.com and a couple other places but was not able to find the needed data. Just curious if anyone would share there 260AI recipe.
I always had good luck with 42.5gr H4850 with 139gr Lapua Scenar.
Anybody out there using bergers and R17 with an AI?
H4831sc.......RE19......can't recall charges.......
Berger 140s & 142 SMKs...@ 2995 fps........
8 twist Pac Nor 27" x 1.118" straight pipe......s/shot Savage (of course)
Lapua 308 brass....
awesome cartridge.........
I had some 140gr Nosler custom comp behind some 4831 between 45.0 -47.5 in .3 increments and there was nothing there at all. All right around 1".
Was this @ 100y? If so, you might try stepping back to 300y. I’ve found that any type of ladder @ 100 won’t reveal much if anything.Quote:
Originally Posted by nuclabuyer
This wasn't any sort of ladder testing. This was 5 shot group. With all the good I had heard about 4831 and 260 I thought I would just find a load this way. I didnt think that there wouldnt be anything good. I think in a couple days I am going to order a new stock for it. See if that helps. It used to be a stock for a sporter weight and I had a McGowen HVY hunter contour put on it so I had to open up the barrel channel. Maybe I am rubbing somewhere, I dont usually get that bad of results from a rub but some people do, maybe it is my turn now..
140 gr AMAX ,47 to 48.5 gr Norma MRP .012 off of lands