pjr2412
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You can find information by searching for Bob's post "Phila Ordnance M1 Thompson Full Auto Blank Gun"; just enter the title (without the quotes) in the search box. Bob describes the gun and also posted some photos. The design is such that it cannot be modified to function as a full auto firearm. Paul
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Received a call this morning as well as the following e-mail: (ATF.FFL.Alert@usdoj.gov)To:you (Bcc) DetailsThis is an important message from the Bureau of Alcohol, Tobacco, Firearms and Explosives. A Federal firearms licensee in Prince George's County, MD has experienced an attempted burglary of firearms. Please ensure the security of both your inventory and property and report all suspicious persons or activity to your local police department. Additionally, notify ATF at 888-930-9275 if you find any of your firearms missing, lost or stolen.
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Lyman Sight Problem on AO 28AC
pjr2412 replied to jerrys's topic in Thompson Submachine Gun Message Board
Without seeing your sight, my guess is either a defective, loose or missing slide catch. On the left side of the slide you will see the slide catch and the screw that retains it to the slide. The catch is a small rectangular flat spring with an imbedded pin that projects against the serrations of the ladder providing the necessary tension to keep the slide in place. If the screw is loose or the catch (flat spring) has lost tension (or it’s pin is worn or missing), the slide is then free to move along the ladder. If everything looks complete, a simple test is to move the slide along the ladder. You should hear distinct 'clicks' as the catch pin rides against the ladder serrations. Previously, I've seen sights that were reblued without disassembly and the heat from the bluing process caused the catch to lose it's tension. The slide would then freely move along the ladder. The solution was a replacement catch. At the time, Gun Parts Corp. had them in stock; not sure if they or anyone else has them available today. Another possibility is that the ladder serrations are extremely worn but it would take an awful lot of use for that to occur. Hope this helps. Paul -
WTB-Lyman ladder for '28A1
pjr2412 replied to Got Uzi's topic in Thompson Submachine Gun Message Board
Yes, it is litle. Photo of it on the side of the slide, with it being held on by a small screw. Paul -
WTB-Lyman ladder for '28A1
pjr2412 replied to Got Uzi's topic in Thompson Submachine Gun Message Board
Yes, it is litle. Photo of it on the side of the slide, with it being held on by a small screw. Paul -
WTB-Lyman ladder for '28A1
pjr2412 replied to Got Uzi's topic in Thompson Submachine Gun Message Board
Not sure which spring you're looking for. If it is the one that keeps the slide assembly in place on the ladder, gunpartcorps (Numrich) shows them as available (under Thompson; 1928 .45 ACP; page 6, part number 1117570). Paul -
Thompson 1921 actuator drawings
pjr2412 replied to Joseph_T's topic in Thompson Submachine Gun Message Board
You can find a copy of the 1921 Actuator drawing (45-1-14) in two books written by Tracie L. Hill: "Thompson: the American Legend The First Submachine Gun", Fig. 338 on page 313 and "The Ultimate Thompson Book", Fig. 140 on page 87. Paul -
1928A1 Parts Kit For Sale on AR15.com
pjr2412 replied to huggytree's topic in Thompson Submachine Gun Message Board
No it is not a 'Colt' kit/parts set. The 1928A1s were manufactured by Auto-Ordnance and Savage. The listing on the CMP Forum says it is Auto-Ordnance, however from the photos the Trigger Frame appears to be of Savage manufacture. Paul -
Thompson parts set question
pjr2412 replied to railroader's topic in Thompson Submachine Gun Message Board
Not familiar with the current NY state or NY city laws but as I recall, the 100xx series Zip codes are for Manhatten, one of the five boroughs of New York City. Brooklyn Zip codes are 112xx; Queens are 113xx, 114xx; don't remember the ones for Staten Island or The Bronx. Best to check a Zip code map to determine if a specoific addfress is within NY city. Paul -
WTB "List" Plus bonus WWII Picture
pjr2412 replied to R67's topic in Thompson Submachine Gun Message Board
Phil, I believe you are correct on the knob. Looks like the photo has been reversed as the ejection port on that Thompson is on the lwrong side. Paul -
In my opinion, extremely suspect. The rear sight looks like the type that Numrich used on their 27A1 semis; also the container that the sight is in has flathead machine screws that I'm guessing were used to attach the sight. Although the photos aren't all that sharp, the knurling on the actuator knob looks like the type that I've seen on some cast reproduction actuators. Just my thoughts. Paul
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Type 1 Compensator Thread 5/8-28 UN
pjr2412 replied to reconbob's topic in Thompson Submachine Gun Message Board
Sorry for being a little late to this discussion. My 1978 copy of the 20th Edition Machinery's Handbook shows the following: 5/8-28 Unified Screw Thread, Class 2 Allowance 0.0011 External: Major Diam. max. 0.6239, min. 0.6174; Minor Diam. 0.5801 Internal: Minor DIam. min. 0.586, max. 0.595; Major Diam. 0.6250 Hope this helps. Paul