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Posted: 8/23/2024 8:48:18 PM EDT
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Mine runs a bit unreliability. Factory and reloaded ammo. I’m assuming the gas port is fouled. Anyone in Ohio (northern) that can work on these? I have the tools and some talent, but can’t find a diagram or more in depth disassembly drawings or information. Even in dad’s older books. Thanks |
Not even straight down at full throttle with a tailwind
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Originally Posted By oscardeuce: Mine runs a bit unreliability. Factory and reloaded ammo. I’m assuming the gas port is fouled. Anyone in Ohio (northern) that can work on these? I have the tools and some talent, but can’t find a diagram or more in depth disassembly drawings or information. Even in dad’s older books. Thanks Where in Northern OH? Are you sure your expectations are realistic? What malfunctions are you having? I've shot several and none have ever been truly reliable. It's extremely unlikely your gas port is fouled. Are you shooting new privi? Have you swapped bolts/extractors, and gas pistons? Magazines? |
I'm no good at telling people what they want to hear when I dont believe it myself :)
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Originally Posted By bigbore: Where in Northern OH? Are you sure your expectations are realistic? What malfunctions are you having? I've shot several and none have ever been truly reliable. It's extremely unlikely your gas port is fouled. Are you shooting new privi? Have you swapped bolts/extractors, and gas pistons? Magazines? @bigbore Akron area Privi and my reloads according to Cartridges of the Wolrd and internet references. I have 1 mag only No other parts either. Maybe I need new springs, I haven’t tried that Gun fires but does not cycle the next round in full or semi |
Not even straight down at full throttle with a tailwind
 StG 44: full disassembly & assembly | World of Guns |
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Originally Posted By oscardeuce: @bigbore Akron area Privi and my reloads according to Cartridges of the Wolrd and internet references. I have 1 mag only No other parts either. Maybe I need new springs, I haven’t tried that Gun fires but does not cycle the next round in full or semi Unfortunately, the STG/MP43 44 is not a "shooter" gun, it's a collector gun at it's age and parts availability. Mine comes out once ever few years. Does the empty case fully eject? you can try a new recoil spring - here If you ever want to drive a few hours north we can swap in my spare parts that I know are good and see what happens. You may have a worn piston. Hopefully your gas tube isn't corroded. Those are a PITA to swap out. |
I'm no good at telling people what they want to hear when I dont believe it myself :)
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It's cool to see them come apart, but without the tools to do it real life..... |
I'm no good at telling people what they want to hear when I dont believe it myself :)
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Originally Posted By bigbore: It's cool to see them come apart, but without the tools to do it real life..... Yeah I know it's not that easy. But having a good visual representation of how the parts assemble is a good start. That app has helped me out quite a few times with different guns |
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Originally Posted By SGT-Fish: Yeah I know it's not that easy. But having a good visual representation of how the parts assemble is a good start. That app has helped me out quite a few times with different guns Absolutely. For every MG I've bought I watched those videos dozens of times while waiting on the transfer so I'd know how they came apart before they arrived. |
I'm no good at telling people what they want to hear when I dont believe it myself :)
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Originally Posted By bigbore: Unfortunately, the STG/MP43 44 is not a "shooter" gun, it's a collector gun at it's age and parts availability. Mine comes out once ever few years. Does the empty case fully eject? you can try a new recoil spring - here If you ever want to drive a few hours north we can swap in my spare parts that I know are good and see what happens. You may have a worn piston. Hopefully your gas tube isn't corroded. Those are a PITA to swap out. @bigbore Ejects, but doesn’t chamber next round I have only shot it like 4 times in my life. I was kind of trying to get it to run a bit better in case I decide to sell. I’d get a better price that way |
Not even straight down at full throttle with a tailwind
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Oscardeuce, Wasn't your old man the one who had an entire room full of MGs? I remember a pic of dozens of mgs with some gems in the center. Genuinely curious on this one though, does the reliability even effect the value? I mean they're paying for the transfer-ability, when I see transferable side plates selling for nearly the same price as complete guns. |
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http://www.ar15.com/forums/topic.html?b=3&f=4&t=233665
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Originally Posted By ggllggll: Oscardeuce, Wasn't your old man the one who had an entire room full of MGs? I remember a pic of dozens of mgs with some gems in the center. Genuinely curious on this one though, does the reliability even effect the value? I mean they're paying for the transfer-ability, when I see transferable side plates selling for nearly the same price as complete guns. He had a respectable collection. Even had a couple of UH-1Hs tanks jeeps and assorted other vehicles @ggllggll |
Not even straight down at full throttle with a tailwind
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Originally Posted By Stahlgewehr762: Is the MP43 a REWAT or a reweld? Either of those can have their own unique issues, especially a REWAT with its original barrel. @stahlgewehr762 Not a rebuild of any kind glad far as I know. I doubt my dad would have bought one |
Not even straight down at full throttle with a tailwind
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@bigbore @stahlgewehr762 I took out my borescope and took some photos The OD of the op rod is 14.3 mm Attached File I found the gas port from the barrel and confirmed it’s open with a brass cleaning rod down the barrel Attached File The op Rod in the gas tube Attached File Are these ports adjustable? They’re wide open basically Attached File Gas tube looks clean Attached File Attached File |
Not even straight down at full throttle with a tailwind
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Originally Posted By oscardeuce: @bigbore @stahlgewehr762 I took out my borescope and took some photos The OD of the op rod is 14.3 mm https://www.ar15.com/media/mediaFiles/307202/IMG_4023_jpeg-3305628.JPG I found the gas port from the barrel and confirmed it’s open with a brass cleaning rod down the barrel https://www.ar15.com/media/mediaFiles/307202/Image_2024-08-26_19_25_46_369_jpeg-3305630.JPG The op Rod in the gas tube https://www.ar15.com/media/mediaFiles/307202/Image_2024-08-26_19_23_23_151_jpeg-3305631.JPG Are these ports adjustable? They’re wide open basically https://www.ar15.com/media/mediaFiles/307202/IMG_4031_jpeg-3305637.JPG Gas tube looks clean https://www.ar15.com/media/mediaFiles/307202/Image_2024-08-26_19_23_34_226_jpeg-3305634.JPG https://www.ar15.com/media/mediaFiles/307202/Image_2024-08-26_19_21_55_626_jpeg-3305635.JPG Ports are not adjustable. Switch your calipers to American. Mine is .589 |
I'm no good at telling people what they want to hear when I dont believe it myself :)
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As noted many mP44/43’s can be unreliable. Couple of questions: Start: how does it not feed? Does bolt move back fully and jam up on return or does it not move out of battery at all? If it moves fully back see below: 1. Is stock tight? If loose bolt won’t have energy to come back from rear movement due to recoil spring dragging. 2. Are you using OEM magazine or reproduction? OEM most reliable. 3. If you hold mag from bottom and push up and forward will it cycle reliably? 4. Does frame appear concentric and straight. If you can see distortion, that will slow down the bolt. |
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Originally Posted By bd_p98: As noted many mP44/43’s can be unreliable. Couple of questions: Start: how does it not feed? Does bolt move back fully and jam up on return or does it not move out of battery at all? If it moves fully back see below: Does not seem to fully retract, it it has been awhile since I shot it 1. Is stock tight? If loose bolt won’t have energy to come back from rear movement due to recoil spring dragging. stock tight spring seems strong 2. Are you using OEM magazine or reproduction? OEM most reliable. OEM WWII 3. If you hold mag from bottom and push up and forward will it cycle reliably? No 4. Does frame appear concentric and straight. If you can see distortion, that will slow down the bolt. No distortion I can see |
Not even straight down at full throttle with a tailwind
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Originally Posted By oscardeuce: Mine runs a bit unreliability. Factory and reloaded ammo. I’m assuming the gas port is fouled. Anyone in Ohio (northern) that can work on these? I have the tools and some talent, but can’t find a diagram or more in depth disassembly drawings or information. Even in dad’s older books. Thanks These guns are mid war production guns and aren't the best. With that said, I had Bob Naess work over my MP44 when it was having problems, and he solved them for me. |
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