mpolans Posted March 30, 2021 Share Posted March 30, 2021 (edited) I just picked up a used open gun in .38super, round count unknown. When I test fired it with some of the previous owner’s reloads, I couldn’t get it to group any better than about 4-5” at 25 yards. I did notice there’s some leading in the comp. I pulled the gun apart and looking down the barrel, the grooves look a little shallow. What do y’all think? Edited March 30, 2021 by mpolans Link to comment Share on other sites More sharing options...
GrumpyOne Posted March 30, 2021 Share Posted March 30, 2021 I would say no, the barrel is good. What were his loads? Link to comment Share on other sites More sharing options...
mpolans Posted March 30, 2021 Author Share Posted March 30, 2021 (edited) 14 minutes ago, GrumpyOne said: I would say no, the barrel is good. What were his loads? Unfortunately, I don’t know. Old shooter with medical problems sold it to a bullseye shooter (I shoot bullseye too), who sold it to me...he didn’t know what the loads were either. Looked like 124gr Montana Golds, but don’t know powder. Edited March 30, 2021 by mpolans Link to comment Share on other sites More sharing options...
GrumpyOne Posted March 30, 2021 Share Posted March 30, 2021 My guess is the lead in the comp is causing issues. I have an old 40S&W comp gun i shot lead out of a lot. Accuracy went to crap, clean the lead out good, Accuracy came back. Link to comment Share on other sites More sharing options...
ima45dv8 Posted March 30, 2021 Share Posted March 30, 2021 Just looking at the pictures, I was thinking I'd like to see how deep the grooves are after a good cleaning. And then I saw the comp. I'd run that through a sonic cleaner for a while (maybe a long while). Link to comment Share on other sites More sharing options...
Toolguy Posted March 30, 2021 Share Posted March 30, 2021 Looks like a good barrel & comp that needs a lot of cleaning, like everyone above said. Link to comment Share on other sites More sharing options...
sauza45 Posted March 31, 2021 Share Posted March 31, 2021 I would say barrel looks good but in need of a major cleaning. Clean it and send another picture. Do you reload, if not get some ammo that you know what it is. Link to comment Share on other sites More sharing options...
Ming the Merciless Posted March 31, 2021 Share Posted March 31, 2021 (edited) Borescopes are cheap these days. $46 on Amazon. I have one and it does an adequate job, especially for less than Fifty bucks. However, prepare to be sad when you look at your rifle barrels. The posted photo looks just like video from the one I own. https://www.amazon.com/Teslong-Borescope-Side-View-Semi-Rigid-Smartphone/dp/B07TTQF24F/ref=sr_1_1_sspa Pistol length rigid version goes down to .20 caliber $40 https://www.amazon.com/Teslong-Borescope-Cleaning-Right-Angle-Connectivity/dp/B08D67H7LZ/ref=sr_1_23_sspa Edited March 31, 2021 by Ming the Merciless Link to comment Share on other sites More sharing options...
LuvDog Posted March 31, 2021 Share Posted March 31, 2021 Hard to really tell, but grooves look sharp, just very dirty - especially from that one comp pic. Clean it and see how it does Link to comment Share on other sites More sharing options...
Absocold Posted April 19, 2021 Share Posted April 19, 2021 Rifling looks ok from what I can see but it looks to be coppered up with some leading. Herter's makes ammo with nylon bullets, fling half a dozen through to clean it out. If you can't lay your hands on any then get a de-coppering solvent and a stiff brush and give it the Tony Danza (WHO'S THE BOSS?) then if it continues to have leading issues I'd slug it to make sure you're using the correct bullet diameter and, if you are, I'd lap the barrel to remove whatever is dragging at the bullets. Link to comment Share on other sites More sharing options...
BigGabe Posted May 6, 2021 Share Posted May 6, 2021 It looks like it has a lot of lead fowling to me. Had an old Fowl out machine Outer's used to make. Used the lead out solution in a pistol barrel I had and pulled the lead out of it and it looked brand new. Link to comment Share on other sites More sharing options...
pcschwenke Posted May 6, 2021 Share Posted May 6, 2021 No, it looks fine. Fouled though! My pin gun is almost a smooth bore, but still shoots really well. I give your barrel a good cleaning and shoot another 100k through it. Link to comment Share on other sites More sharing options...
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