Things never seem to change. We have a number of 22lr pistols on our shooting range, mainly to get new sports shooters started.
We bought a Sig Sauer Mosquito, must have been engineerded by whoever left Erma, as it's a totally unreliable POS. The Browning Buckmarks do allright with just about any brand of .22lr, the Mosquito only likes certain spiffy FMJ rounds.
Anyway, the Ermas have a bad reputation when it comes to reliability and functionality. The same goes for the barrel inserts they produced. I wonder what ammo they used for testing?
Perhaps it's a matter of finding the correct type of .22 lr ammo for it:
