sherman Posted September 11, 2018 Report Share Posted September 11, 2018 Hello Gentlemen, I have a question about markings/stamps on a 1928A1 Thompson receiver.Does someone of you know what these stamps are standing for ?The gun itself is a parts kit - could they be to show deactivation of the gun ? Thank you in advance for your help. Link to comment Share on other sites More sharing options...
Adg105200 Posted September 11, 2018 Report Share Posted September 11, 2018 They look to be proof marks probably for deactivation. Is it possible to get a little closer and clearer picture of the area circled? Andrew Link to comment Share on other sites More sharing options...
jim c 351 Posted September 11, 2018 Report Share Posted September 11, 2018 The British were know to proof fire and stamp ever gun they got there hands on.They also stamped them when released from service.What is a parts kit gun??Jim C Link to comment Share on other sites More sharing options...
sherman Posted September 13, 2018 Author Report Share Posted September 13, 2018 Here is another pic. - the best I could get,hope it helps.A parts kit is a deactivated gun were the barrel and bolt is destroyed. Link to comment Share on other sites More sharing options...
Adg105200 Posted September 13, 2018 Report Share Posted September 13, 2018 Still hard to see what exactly the proof mark on the left is, but this site might help (not 100% sure it's relevant to Thompsons): http://www.shotguns.se/html/uk.html Andrew Link to comment Share on other sites More sharing options...
sherman Posted September 14, 2018 Author Report Share Posted September 14, 2018 Thank you to all of you for your help.Now,I'm pretty sure it's a British deactivation stamp.Thank you Adg105200 for the link - this is a really good site. Link to comment Share on other sites More sharing options...
m3bobby Posted January 4, 2020 Report Share Posted January 4, 2020 That is an odd gun to be in a parts kit, it was deactivated to EU UK standards which means it has had 1/2 the bolt welded in to the receiver and the trigger group cut and welded up. Lots of work required to remove those parts to make it a kit. Link to comment Share on other sites More sharing options...
scotty1957**** Posted February 3 Report Share Posted February 3 On 9/11/2018 at 1:51 AM, sherman said: Hello Gentlemen, I have a question about markings/stamps on a 1928A1 Thompson receiver.Does someone of you know what these stamps are standing for ? The gun itself is a parts kit - could they be to show deactivation of the gun ? Thank you in advance for your help. Those are British "proof" marks for a proof house. all guns supposedly were to have proof marks to be sold in the UK. see them on a lot of Thompsons re-imported as police guns back in the day. Link to comment Share on other sites More sharing options...
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