stingray656667 Posted February 6, 2019 Report Share Posted February 6, 2019 Hello, I've been seeing compensators with different logos on them and was wondering what the difference between them is. One has the word Thompson inside the outline of a bullet and the other has a Cutts logo inside a box positioned on its corners. Is one older than the other and which is the more desirable version? Thank you again. stingray656667 Link to comment Share on other sites More sharing options...
gijive Posted February 6, 2019 Report Share Posted February 6, 2019 stingray656667, The first Type I compensators on the Colt Guns was unmarked and slightly smaller in diameter than the Type II which was the Cutts logo in a diamond on the top front along with patent dates. There was a third type, around 1940 that had both a small bullet logo with word Thompson and the Cutts diamond logo on the top front. The Third Type was short lived as they rather quickly changed to the common WWII era compensator that had the Cutts diamond logo on the top and the Thompson bullet logo on the left side. The type with the larger Thompson bullet logo on the top front is the modern reproduction by Numrich, West Hurley, New York, and Kahr Arms. You could benefit from reading American Thunder III or The Ultimate Thompson Book and they will answer all your questions Link to comment Share on other sites More sharing options...
stingray656667 Posted February 6, 2019 Author Report Share Posted February 6, 2019 Hello, Thanks for the response. I have the American Thunder III book ordered but it has yet to arrive. I understand that it is a wealth of knowledge about Thompsons and I'm looking forward to having it as a reference source but I hope that it's not an issue to continue posting questions on subjects that I am unfamiliar with. I appreciate the reply. stingray656667 Link to comment Share on other sites More sharing options...
Adg105200 Posted February 6, 2019 Report Share Posted February 6, 2019 Questions are certainly welcome as topics can always be very educational. It doesn't hurt to search the forum to see if what your looking for has been answered, and I highly recommend reading the pinned topics at the top of the Thompson section. Andrew Link to comment Share on other sites More sharing options...
CaptainKgun Posted February 17, 2020 Report Share Posted February 17, 2020 stingray656667, The first Type I compensators on the Colt Guns was unmarked and slightly smaller in diameter than the Type II which was the Cutts logo in a diamond on the top front along with patent dates. There was a third type, around 1940 that had both a small bullet logo with word Thompson and the Cutts diamond logo on the top front. The Third Type was short lived as they rather quickly changed to the common WWII era compensator that had the Cutts diamond logo on the top and the Thompson bullet logo on the left side. The type with the larger Thompson bullet logo on the top front is the modern reproduction by Numrich, West Hurley, New York, and Kahr Arms. You could benefit from reading American Thunder III or The Ultimate Thompson Book and they will answer all your questions I've seen Cutt's compensators with no bullet logo. Would this be considered a fourth type? How rare would these be with respect to the others? Were they used on specific models and years of production? Link to comment Share on other sites More sharing options...
gijive Posted February 17, 2020 Report Share Posted February 17, 2020 stingray656667, The first Type I compensators on the Colt Guns was unmarked and slightly smaller in diameter than the Type II which was the Cutts logo in a diamond on the top front along with patent dates. There was a third type, around 1940 that had both a small bullet logo with word Thompson and the Cutts diamond logo on the top front. The Third Type was short lived as they rather quickly changed to the common WWII era compensator that had the Cutts diamond logo on the top and the Thompson bullet logo on the left side. The type with the larger Thompson bullet logo on the top front is the modern reproduction by Numrich, West Hurley, New York, and Kahr Arms. You could benefit from reading American Thunder III or The Ultimate Thompson Book and they will answer all your questions I've seen Cutt's compensators with no bullet logo. Would this be considered a fourth type? How rare would these be with respect to the others? Were they used on specific models and years of production?There are unmarked compensators that are the same dimensions as the most common type WWII compensators (4th Type). These are considered to be replacement compensators and are thought to be Post-WWII manufacture. I don't believe they are considered to be particularly collectible. If you are speaking about the 1st Type compensators that are unmarked (slightly smaller dimensions than the subsequent types), they are very collectible and hard to find not already attached to a gun. Link to comment Share on other sites More sharing options...
CaptainKgun Posted February 17, 2020 Report Share Posted February 17, 2020 stingray656667, The first Type I compensators on the Colt Guns was unmarked and slightly smaller in diameter than the Type II which was the Cutts logo in a diamond on the top front along with patent dates. There was a third type, around 1940 that had both a small bullet logo with word Thompson and the Cutts diamond logo on the top front. The Third Type was short lived as they rather quickly changed to the common WWII era compensator that had the Cutts diamond logo on the top and the Thompson bullet logo on the left side. The type with the larger Thompson bullet logo on the top front is the modern reproduction by Numrich, West Hurley, New York, and Kahr Arms. You could benefit from reading American Thunder III or The Ultimate Thompson Book and they will answer all your questions I've seen Cutt's compensators with no bullet logo. Would this be considered a fourth type? How rare would these be with respect to the others? Were they used on specific models and years of production?There are unmarked compensators that are the same dimensions as the most common type WWII compensators (4th Type). These are considered to be replacement compensators and are thought to be Post-WWII manufacture. I don't believe they are considered to be particularly collectible. If you are speaking about the 1st Type compensators that are unmarked (slightly smaller dimensions than the subsequent types), they are very collectible and hard to find not already attached to a gun. What are the dimension differences? Are we talking 10-15 thousandths or 50-60 thousandths? Link to comment Share on other sites More sharing options...
gijive Posted February 17, 2020 Report Share Posted February 17, 2020 Ill send you some pictures when I get time. PM me with your email address. Link to comment Share on other sites More sharing options...
mnshooter Posted February 17, 2020 Report Share Posted February 17, 2020 (edited) All the details are well documented in "The Ultimate Thompson Book". Photos of the First and Second Model: Edited March 24, 2020 by mnshooter Link to comment Share on other sites More sharing options...
gijive Posted February 17, 2020 Report Share Posted February 17, 2020 mnshooter, Thanks for posting that, I couldn't have posted better photos. CaptainKgun, all the subsequent models compensators, Type III, Type IV (most common), and the Post War unmarked ones are the same dimensions and thread pitch as the Type II, pictured in the excellent photos by mnshooter. Link to comment Share on other sites More sharing options...
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