.22LR Sub-Caliber Barrel Insert

[sheepherder]

Originally Posted by Diver6106

In the Erma 22LR kits, there are two springs in the toggle and it is disconnected from the grip spring.

There was nothing about disconnecting the mainspring ["grip spring"] in the Erma instruction sheet. I don't think that would work either, as the cannon assembly has to move rearward ~1/4" to align the magazine for feeding and ejecting.

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In any event, my sub-caliber insert is finished. Pics below. I had to wait for the 11/32" x 32tpi NEF tap for the insert nut. I made the nut out of brass just for S&G, and *tried* to knurl it at 14lpi but it didn't turn out too good...

I'll try it out ASAP but as usual I've finished something on a weekend and the club is jumping with shooters. Fall small-bore leagues starting up, center-fire league still going strong, and the occasional cowboy all lining up to shoot.

I'll try next week during the day.