It's taken me about 100 rounds, but I have found the load for my 65 Creed.
Decent wind yesterday and I debated even testing these loads, but gave in. 18-20 MPH gusts. Two groups of 140 grain Match King's. 40.7 and 40.9. .020" off the lands, once fired Hornady Match brass fire formed to my HMR. .7 posted a 5 shot group .444" and 40.9 posted a 5 shot group of .468". Standard deviation on the .7 load was 7.21, but the .9 was 5.50. I went with 40.9. This rifle is stupid accurate.
Next step, 1000 yards. We are working up a load for my buddies BMP in 65, then headed to a different range.
What powder are you using?
You found a node there, I also hit on one at 41.4/5 (H4350) in My HMR. Dang fine shooter, 41.5 and Hornady 140 BTHP had single digit SD and 200 yd groups just around 1 inch. Held near that out to 400 yds, avg velocity at 2600, 210M primer. No wind, I was in the zone for a change. Together we shot better than previous range trips.
The 140 BTHP shot better than I expected, the 140 ELD M proved a bit more fussy. Playing with primers and seating. RL16 will be up next.
I never tried the Hornady ELD or BTHP's. I probably should have, but the Power Valley was out of both when I did my order. Nolser CC and SMK's were in stock and jumped on both.
Blue Collar Reloading has some if you feel like trying.
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