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Posted: 3/28/2014 2:15:18 PM EDT
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Just ordered a Thompson 45 from AO/ Kahr off of the PSA website
I have always wanted one and saw this two for one deal and jumped on it. Total impulse buy. Anyway who has one and what should I look for when I get it? |
| khar owns AO and they had some trouble in the beginning with parts being out of spec and needing to mod the mag catch to accept gi mags. Some people mod the gi mags. If i owned one i would mod the catch that can be replaced cause one day gi mags will dry up. I do not know if they had fixed the out of spec parts its hard to get a straight answer on that. |
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khar owns AO and they had some trouble in the beginning with parts being out of spec and needing to mod the mag catch to accept gi mags. Some people mod the gi mags. If i owned one i would mod the catch that can be replaced cause one day gi mags will dry up. I do not know if they had fixed the out of spec parts its hard to get a straight answer on that. I had to modify the mag catch, because it would not release the drum. |
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I have a 1927A1.
First off, it is an absolute BLAST.  It's one of my favorite guns I own.
I only shoot 230gr RN reloads through it, I've heard too much about them being finicky about ammo to try any others. Don't shoot steel case through it. As far as magazines go, I prefer to buy unmodified magazines (Gunbroker) and modify them myself. If you buy modified mags, you risk them being loose (happened to me). You can also modify the mag catch instead if you prefer. It is an extremely heavy gun = no recoil whatsoever. It's really awkward to shoulder when you first shoulder it, but you get used to it. Shooting it from the hip is guaranteed to make your day.
Someday I'll SBR it, but until that day, I'll shoot the crap out of it as is. |
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I had to modify the mag catch, because it would not release the drum. Quoted:
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khar owns AO and they had some trouble in the beginning with parts being out of spec and needing to mod the mag catch to accept gi mags. Some people mod the gi mags. If i owned one i would mod the catch that can be replaced cause one day gi mags will dry up. I do not know if they had fixed the out of spec parts its hard to get a straight answer on that. I had to modify the mag catch, because it would not release the drum. how dose it run? any stove pipes, miss feeds? |
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no, modify the mag catch. http://<a href=http://i1341.photobucket.com/albums/o756/brian45auto/magrelease_zpsf023838a.jpg</a>" /> Quoted:
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Again thanks for all the replies. I just ordered two 30 rnd mags from Sportsman's guide Next I'll need help modifying the mags...  no, modify the mag catch. http://<a href=http://i1341.photobucket.com/albums/o756/brian45auto/magrelease_zpsf023838a.jpg</a>" /> Try it fist before you modify once you mod a gi mag there is no going back. |
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so when you modify the mag catch, what happens with the mag that came with the gun? How could it still work? I have been reading everything I can find on these and have seen a few times that the mags were made to be modified so that the user can utilize mags from different manufacturers???? Also I read that you need to try used mags first when you get them because they may have already been modified???
Anyway, I guess I'll wait and see. Since I will only have the mag that came w the gun and then two purchased off SG I think I'll try the mags first and modify them accordingly. If I happen upon a huge stash of mags all the same, then I'll consider changing my gun to fit them and then loose the other three Tell me if my thinking is off here. 
Still learning her guys, I am open to suggestions and appreciate the help. |
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so when you modify the mag catch, what happens with the mag that came with the gun? How could it still work? I have been reading everything I can find on these and have seen a few times that the mags were made to be modified so that the user can utilize mags from different manufacturers???? Also I read that you need to try used mags first when you get them because they may have already been modified??? Anyway, I guess I'll wait and see. Since I will only have the mag that came w the gun and then two purchased off SG I think I'll try the mags first and modify them accordingly. If I happen upon a huge stash of mags all the same, then I'll consider changing my gun to fit them and then loose the other three Tell me if my thinking is off here.
Still learning her guys, I am open to suggestions and appreciate the help. your thinking is off. ditch the modified mag, and stick with unmodified usgi mags. |
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Part of the changes the BATF required to get the semi auto design approved back in '75 or so was to make the bolt 1/10" lower in height so that auto bolts wouldn't fit in the receiver. That makes the standard WWII mag sit 1/10" high. It's easier and ultimately cheaper to modify one mag catch than several WWII vintage mags. Kahr now sells mags (the one that came with the new semi gun) that has the mag catch hole at the proper height for a semi gun. If you do the mag catch modification, the semi mag that came with the gun will be sitting 1/10" too low and the bolt simply passes over the cartridge.
Also beware of Crosby made WWII mags. Some, but not all, were made out of spec with their mag holes at the wrong height and will not latch properly in auto as well as semi guns. This was a known issue in WWII so some of the Crosby mags have had their mag holes filed out to fit the auto gun height already, but a new one probably does not. If you want to leave the mag catch unchanged, WWII vintage mags that have already had semi auto owners who ovaled out the mag catch hole come up for sale occasionally. I would not pay very much for modified WWII vintage mags as their collector value is diminished. MHO, YMMV, etc. Best of luck whatever you decide to pursue. |
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centerfire has them for $20 a pop
mags I want an SBR version but can't because of my state laws |
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or you could just fix what is wrong with it...or them more likely. there is no need to oil the feed ramp. Quoted:
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my fav but it has a long feed ramp and the feed ramp needs to be dripping wet with oil or it will jam any reliability problems oil the feed ramp . or you could just fix what is wrong with it...or them more likely. there is no need to oil the feed ramp. if the feedramp is not wet ball 45 ammo is likley to jam there is nothing broken it is not the magazine just oil the feedramp it's not hard. |
| I went ahead and modded the mags... I know, I know, ruined the GI mags. However, they are mine and I don't ever plan on buying an actual Thompson (and if I do i am sure I'll have the money for a few mags) so I would rather mod the mags instead of have the useless mag it came with after I mod the rifles catch. So now I have 3 30's and 3 20's and I am sure they will last me the rest of my Fake Thompson days. I did go back and fourth weather or not to mod them or the catch. Figured the mags were the most economical. Non of them where anything special, just plan unmarked ones. |
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it is not the magazine. Quoted:
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my fav but it has a long feed ramp and the feed ramp needs to be dripping wet with oil or it will jam any reliability problems oil the feed ramp . or you could just fix what is wrong with it...or them more likely. there is no need to oil the feed ramp. it is not the magazine. sure it is, the mag lips are out of tune. there is no need to oil the feed ramp. |
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