Meerkoos Posted April 2, 2017 Report Share Posted April 2, 2017 Hi all,I was checking out a private exhibition of guns, and I noticed a MP40. The usual markings (model name, year of manufacture, serial number) were present, but not the manufacturer code! There was the empty space for it, but nothing was stamped. Anybody knows what the heck is wrong with that MP40?MEERKOOS Link to comment Share on other sites More sharing options...
geefal Posted April 2, 2017 Report Share Posted April 2, 2017 what year was the gun stamped. I have seen a huge variation in how MP40's were stamped when they have the 43 for the year. I think (my opinion here) that things were getting a bit tight by that time in Germany and quantity out to the field over-rode everything else at that point and you started to see some huge (what we would call) "discrepancies" in the markings. Link to comment Share on other sites More sharing options...
Meerkoos Posted April 2, 2017 Author Report Share Posted April 2, 2017 The year was 1942. Can you make out anything from that? Link to comment Share on other sites More sharing options...
Rich.Urich Posted April 2, 2017 Report Share Posted April 2, 2017 1. Please post photos.2. Manufacture of the ORIGINAL MP40 will be on the front end of the receiver (usually) as well as who the receiver tube manufacturer was (usually)3. Manufacture of the trigger housing / lower receiver assembly (if matching to the original receiver!) will have the year of production and who manufactured the trigger housing / lower receiver assembly AND who the complete MP40 assembly was. 4. If the trigger housing / lower receiver assembly is mis-matched to the receiver then it is a replacement. 5. Trigger housing / lower receiver assemblies that are lacking in manufacturer codes (bnz, 660, ayf, 122, fxo, 27) are then assumed to be a depot / field repair spare replacement. Link to comment Share on other sites More sharing options...
Meerkoos Posted April 2, 2017 Author Report Share Posted April 2, 2017 Thanks Rich. Ulrich! Unfortunately, the owner prohibited photos for privacy reasons. I might be able to see it again this month. Also, he needs some tips for disassembly. How far can you disassemble a MP40 without having to disturb staking/riveting? Link to comment Share on other sites More sharing options...
Black River Militaria CII Posted April 3, 2017 Report Share Posted April 3, 2017 Field disassembly never requires disturbance of hard connections. Remove mag. Make sure there is no round in the chamber. Bolt forward in battery. Pull out the knurled knob at the front of the forestock and twist so it protrudes and stays there. This retracts the boss attached to the knob from the hole in the bottom of the tube. While pulling the trigger to lower sear to below the cutout in bottom of tube, rotate the receiver clockwise to disengage the bayonet fitting on the end of the tube from inside the rear end cap and pull forward. Sometimes they can be tight when rotating as well as pulling the tube out of the rear end cap. 1 Link to comment Share on other sites More sharing options...
Meerkoos Posted April 3, 2017 Author Report Share Posted April 3, 2017 Thanks for the instructions! However, I meant more in-depth disassembly. How far can you take apart the MP40 without disturbing staking or riveting? Link to comment Share on other sites More sharing options...
Black River Militaria CII Posted April 3, 2017 Report Share Posted April 3, 2017 Well, OK, here's the rest that is not just field stripping. Removal of the complete barrel assembly from the receiver and removal of the crush washer and front sling loop; muzzle nut; grip panels; removal of the complete receiver assembly from the bakelite forestock. Anything else involves removal of pins, etc. Link to comment Share on other sites More sharing options...
TSMGguy Posted April 20, 2017 Report Share Posted April 20, 2017 (edited) Barrel washers were originally staked. It's rare to find an undisturbed staking job today. Edited April 20, 2017 by TSMGguy Link to comment Share on other sites More sharing options...
giorg69 Posted April 21, 2017 Report Share Posted April 21, 2017 there are many cases .no main factory code or no year or both .in the first case we have the sub contractor cnd or cossome pics (not mine only saved from web)http://s16.imagestime.com/out.php/i1116319_Clip5.jpghttp://s16.imagestime.com/out.php/i1116320_cnd43.jpg Link to comment Share on other sites More sharing options...
giorg69 Posted April 21, 2017 Report Share Posted April 21, 2017 another onehttp://s16.imagestime.com/out.php/i1116322_cos421.JPG Link to comment Share on other sites More sharing options...
giorg69 Posted April 21, 2017 Report Share Posted April 21, 2017 some years ago i had a deactivate mp40 with only cnd and 43 ,no main production factoryotherwise it had a lot of waa 623 and 77 of steyr bnz Link to comment Share on other sites More sharing options...
geefal Posted May 11, 2017 Report Share Posted May 11, 2017 (edited) had an interesting mix WaA44 stamps throughout all the partsFXO 41 stamped on rear cap along with 5 digit serial with COS5 digit serial (matching, full 5 digit, not 4 digit with letter) on receiver along with COS and 43 year stamp but not FXOall parts other than receiver cap 5 digit and receiver tube 5 digit were a matching 4 digit serial # but did not match the 5 digit on receiver cap and tubeall these parts had matching WaA44 inspector stamps along with a different Wa stamp which was not on the tube or the receiver cap (don't remember what it was) if anyone claims there are hard and fast rules to this, well, I would question that Edited May 11, 2017 by geefal Link to comment Share on other sites More sharing options...
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