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May 31st, 2005, 18:45 | #1 |
Semi Auto Fires 2 or 3 rounds (MP5SD5)
My TM MP5 SD5 is well used and works very well But in semi auto it fires multiple rounds 2 or 3 is my guess kinda hard to count. this just started i have never had a problem with it B4.
It is upgraded with TP 170%, gears, tightbore, airseal, mostly metal. Did i break somthing ? Any helpfull comments would be apretiated. Thank you ps. is it normal that a round rolls out the barrel sometimes. |
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May 31st, 2005, 18:51 | #2 |
Could be the tappet plate or nozzle.
Maybe the grove in the nozzle the tappet plate goes into has worn down, or it may have just moved out of place. Check it out if you're into cracking the gun open. It's the exterior of the mech box so it's not that big a job to check out those 2 parts. good luck. |
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May 31st, 2005, 19:16 | #3 |
if there is a screw that secures the stock to the reciever, you might want to loosen that a bit.
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Team P.I.M.P. Vancouver BC -Guntech(PM or E-mail only) |
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May 31st, 2005, 21:38 | #4 | |
You hop-up sleeve might be damaged as well. I had double feeding problem when hop-up got chewed up.
Quote:
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Op Woodsman. Biggest WW2 event in Ontario. |
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May 31st, 2005, 22:27 | #5 |
I second the hop-up sleeve notion...
If the rear-most part of the hop up sleeve is worn through, or chewed up, or absent, there's nothing to stop more than one BB from travelling up the feed-tube into the barrel during the time between the nozzle retracting and coming forward. Best check that first. It's probably the easier part to access (of all the possible problem points) and if you find it's the issue, it'll save you tonnes of trouble right off the bat, rather than pulling the whole gun apart. Good luck! |
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June 1st, 2005, 00:31 | #6 |
I dont think it is a feeding problem. I think 1 bb fires out each cycle but somtimes it goes through 2 or 3 cycles with 1 pull of the trigger. and somtimes in semi if you hold down the trigger it fires exactly like full auto
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June 1st, 2005, 08:54 | #7 |
My guess would be a worn out selector plate and/or a worn or misplaced 'disconnector' (the thing that makes the motor stop after a single shot)
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