For carring 22 long , I picked up a Dail a Cartiage at a gun show,
it would hold box of shell click one time one shell fall in your hand.
Never saw them for Mag's. one other thing I have thought of is get a clip for semi-auto, Then you could slid a round right into the camber with
you thumb of your off hand. Just my 2 1/2 cents Marv.