Hn grizzly .25 accuracy

I had the bad accuracy as well.
I saw a YT video where a guy sorted them on size so I did the same.
I sorted them using electronic caliber set to 6.35mm and selected only pellets that didn't pass.

test them again and this time they would group a terrible group at 50m, but atleast they would group.

If recall the group size was around 3in.

I was shooting them with FX Impact.
 
For whatever reason, my .25 RAW HM1000x with LW poly barrel 60fpe tune seems to like H&N grizzly 31gr pellets. 896fps and 55 fpe.Previously, never found a gun they shot extremely well past 80 yards with. My 60 FPE tune FX Bobcat likes them ok but gets a flyer occasionally.Target 98 yards 1.5 inch steel spinner. Light 3 ish mph right to left wind. Holding 3/4 inch right (edge of target). 18 shots and 17 hits.Just for comparison, the H&N Barracuda 31gr shoot at 936 or 60fpe. JSB Fat Kings MK1 @ 905 and MK2 @ 910 fps.The Grizzly seem to have more friction in barrel and shoot slower but drops significantly less at distance. With a 48 yard zero drops 2.9 Mils (10.47 inch) exactly at 98 yards.. that’s a high .070ish BC?? Seems like a reasonable hunting round the LW poly barrel.