Hi Michael,
I generally agree with the idea of avoiding hv .22lr ammo because it was not around when these pistols were designed. However, as discussed on another post, CCI Mini-Mags--which are copper plated 40 gr. round-nose solids--definitely perform the best so far in my La .22's. I arrived at this by trying standard velocity stuff first, and found their energy insufficient to cycle the action fully. I went beyond Mini-mags in muzzle velocity rating, with Velocitor, and finally Stinger, which have 32 gr. bullets and 1600-something fps, and wound up with a front toggle link in 3 pieces. Replaced broken part and have stayed away from loads any more energetic than the mini-mags, no problems further. Feed issues are another realm, but it would appear you've been reading the forum about Ermas already, so I'll quit for now.
David Parker
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