Terrible past 20yrds - Aguila Ammunition Colibri .22LR 420fps. 20 Grain Lead Round Nose Brass Case Ammunition

Tried this in a rio bravo rossi 16”barrel suppressed and non suppressed. Was trying use this for 30 yards and lil more further and later last attempt 20 yd and group is terrible can rely to ever hit small target . My attempt of use was for roof rats. Always used cci quiet and worked perfect. But was looking for something that would not over-penetrate a rat lol. Was cheaper these these than pellets for air rifle but after this might consider now. Last try I used henry lever 22” was afraid to try it on but no squibs. At least never failed to fire.