First time poster here, I've got a p38 mfg 10/62 with the locking block operating pin that is sticking when it moves to the front side of the mount. When I was shooting I noticed that the slide wasn't returning to battery, it would be about 1/8" or maybe a little more from locking in place, but it would still fire I stopped shooting it as soon as I notice what was going on but maybe fired 15 to 20 rounds before I did notice. My guess is that the pin is the problem. I'm hoping I haven't done irreparable damage. but it this point I'm at a loss as the how this thing comes out. Do I have to drill out the retaining pin or do you just tap the operating pin out. Of course the smart move would be to take it to a gunsmith. Any help would be greatly appreciated.
Jiml56
There is no retaining pin. The locking block plunger is simply staked in place with a prick punch in the dimple on the bottom of the barrel. If it won't free up by soaking and blowing it out as Fuego has suggested, the plunger can be removed for more thorough cleaning by just knocking it out, then re-staking (very lightly, just enough to keep it from falling out and being lost when the gun is field-stripped).
M
M
Thanks for getting back to me so quickly, sorry I'm so slow, I was out of town. I did soak the barrel in Break Free for 4 days and that did help, but it still doesn't slide smoothly. The attached photo shows the damage to the face where the breech block has struck the barrel and you can see the rough surface where the locking pin moves through. I did knock the pin out and the inside surface looks ribbed all the way through. Is that normal? Should I lightly sand it smoother? Thanks in advance!
Attachments
If it is NOT sliding back and forth freely, then the pin or hole need to be sanded down. If the pin is smooth and the hole is rough, then ream the hole out. The ribs will certainly catch dirt over time and make it jam up again if they are not smoothed out. IF you use a dremel tool, be careful not to oval out or over grind the hole.
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