sbreheny Posted August 8, 2022 Report Share Posted August 8, 2022 Hi all, I'm new to the Reising community so please bear with me I bought an M50 earlier this year and I am still waiting for ATF approval for the transfer to me. However, my FFL let me test fire the gun at their range. It is indeed pretty sweet! After putting 100 rounds through it, I field stripped it to clean it and I noticed, to my amazement that the barrel was loose in the receiver! I don't see any damage to the barrel or the receiver - it just looks like the barrel was installed with less than the proper torque at some point and worked its way loose. Has anyone seen this happen before? Does anyone know the proper torque for re-tightening the barrel? This is an S-prefix serial number gun with a Parkerized finish and the 14-fin barrel. Where is the proper place to apply torque to the barrel? There are no flats for a wrench - the only options I can see are to either use something like a Vise-Grip on the cylindrical portion just in front of the threads which engage the receiver or to remove the front sight and grab it using the flat at the bottom of the dovetail. Both options risk marring the barrel I would think. If the barrel doesn't "time" correctly, is there a recommended way to shim it? Thanks, Sean Link to comment Share on other sites More sharing options...
StrangeRanger Posted August 8, 2022 Report Share Posted August 8, 2022 Do not attempt to re-tighten the barrel. This is not something that you are going to be able to correct yourself; you're likely to worsen the situation if you try. You need to find a gunsmith who knows Reisings. Normally I'd say contact John Andrewski but I've heard that he is no longer accepting new work. Perhaps someone else can make a recommendation Link to comment Share on other sites More sharing options...
sbreheny Posted August 8, 2022 Author Report Share Posted August 8, 2022 Thanks for the reply. While I am new to Reisings I am not new to firearms and I usually do all of my own work on my own guns (I've restored quite a few old milsurp rifles successfully). Can you please explain why re-tightening the barrel would be a mistake? Link to comment Share on other sites More sharing options...
StrangeRanger Posted August 8, 2022 Report Share Posted August 8, 2022 That barrel has a cut for the feed ramp at 6:00 and the one for the extractor at 3:00 on the breech end and another just behind the compensator at 12:00 for the front sight so timing is critical. There may or may not be a timing mark at 6:00 which should align with the guide rod hole in the front receiver lug. Screw the barrel in by hand and see if everything aligns or is off. If it stops a few degrees short of alignment then maybe you could pull it in if you had the proper tools. I don't know if there is a torque spec or if it is to be tightened till it aligned like on a Thompson. I assume it requires a specialized wrench and vise just like a Thompson does to get it installed. The Thompson wrench that I've seen used is about 3 ft long and holds the barrel purely by friction. Anything with teeth is a worse than bad idea. I can assure you that it did not just come loose on its own. You need to find out what went wrong and how and that is best done by someone who knows the Reising better than either of us. Breeching failures are nothing to play with Link to comment Share on other sites More sharing options...
buckeye10216 Posted August 9, 2022 Report Share Posted August 9, 2022 I wanted to get mine out and couldn't and one time while cleaning it just unscrewed. Mine has a notch (I believe at the 6 o'clock position) on both the barrel and trunnion/receiver. I tried tape with pliers and yep scratched some park! Used a small strap wrench which worked well. Mine does not seem to tighten past the notch (inherently timed). It comes loose sometimes after shooting and not others...I just tighten it by hand now. I just check it before during and after shooting, much like a silencer. I have never had an OOB event...I believe you would have FTF and extraction issues long before the barrel would come out enough to potentially cause a breech failure (but I am not going to test this for you!!!). My local SOT did have a fancy barrel and receiver holder that he made to get the barrel out safely, but he doesn't remember where it went. lol. As other esteemed colleagues on this board might say: YMMV...FWIW...and Just Say'n. Link to comment Share on other sites More sharing options...
sbreheny Posted December 22, 2022 Author Report Share Posted December 22, 2022 I know this is an old topic now but I wanted to thank @StrangeRangerfor the recommendation of John Andrewski. I finally got my ATF approval about a month ago and I took the gun to John. In one week he fixed the loose barrel issue and a few other items, did a very nice job, and charged a very reasonable fee. Link to comment Share on other sites More sharing options...
fartsalot Posted December 22, 2022 Report Share Posted December 22, 2022 Contact info for John Andrewski ? I may need his skills some day. Link to comment Share on other sites More sharing options...
StrangeRanger Posted December 22, 2022 Report Share Posted December 22, 2022 Doesn't anyone Google any more?🤣 http://johnandrewski.com/ Link to comment Share on other sites More sharing options...
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