CCI Blazer 525 pack from Natchez Shooters Supply... $18.95

they hold 3/8" (5 shot) at 35y from my CMMG dedicated upper with a 6 moa Trijicon reflex not a magnified scope...

if any of your 10/22s have a bull barrel, try a home made harmonic tuner to dial in your ammo... shoot a group, move tuner, shoot a group... till you get the smallest group... on my STC 10/22 I tuned in a 15/16" 10 shot group at 100y with this setup... 1 1/8" aluminum round stock, .930" hole, saw cut, pinch bolt