From that barrel I'd predict somewhere between 2900 and 3000 fps. They're good bullets. Play with the load somewhat. I've found that sometimes a load that's just enough to cycle the bolt on my AR's is more accurate than "Combat Loads".
I'm looking for varmint fodder . How low can I go ? This is my first mouse gun venture and I am truly astounded at how well these rifles perform .
I'm not getting rid of my 700's and 7's though .....
Realistically, as long as the gun continues cycling, with a 55gr, the low end is probably going to be about 2500FPS in order to maintain good gas port pressure. Realistically, it sounds like you have a pretty good load right there, once you shoot it over the chrony, if the SD is less than 15FPS, I wouldn't change a damn thing.
Changed the rear bag to one that actually supported the stock and shrunk 20 round groups to 7.3 . Now if they shoot in the 20" Armalite ..... Good info on the low loads . Thanks !
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