My powder stock is getting a bit depleted so Im using stuff up that I have on hand but haven't tried.
I was out of CFE223 that I use in my 18" 7-08 so had a fiddle with R17 today.
First I tried 120 Nosler and the velocity was 2926fps and the primer was looking a bit edgy but no stamp mark (50 grns). Accuracy about .75" (I get .5" and 3K with CFE223).
Then I tried 139 grn SST and was pretty impressed:
47.5 grn: 2776 fps
48.0 grn: 2796 fps (3 shots .5")
48.5 grn: 2840 fps (flattening primer-near max-holding accuracy)
Not bad for 18" barrel.
The 48 grn load was spot on for elevation and windage so I left it at that and came home and loaded some more to try hunting.
NOTE: This particular Sako A7 has quite a loose chamber and takes a bit more powder to get it going. Cut back on these loads if you are trying them.
Then I tried R17 with my 20" 300 saum, 168 NBT.
Usually use N550 (2980 fps)
3040 fps with R17 and bullets touching. one click right and 2 up and it was on the money.
So now Ive got 3 pots of R17 in front of me and plenty of projectiles, and am set to get through the shortage with those 2 rifles.
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