I am having some trouble with my gen 1 mrod. My point is all over the place and I'm getting 12 shots on a fill (3000 to 1800), I used to get 24 shots per fill. I cleaned the barrel and released the barrel. I have shot it three times at least 100 pelets each time. My point will be high then shift left then right I am using a lead sled to hold the rifle to take the human out of the mix. My gen 2 srod was cleaned the same time with the same method and I am hitting nail heads at fifty yeards. Please help.
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.25 mrod trouble
- Thread starter fmglass
- Start date
Do you have access to a chrony? I would first check your velocity, then take a look at the extreme spread on a 10 shot string. Sounds like your having some reg issues if your shot count has dropped? Did you tune up the velocity recently?
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when your shoots are going left and right are they in the same shot group or are you saying when it pulls t either side its a group at a time,
yea check velocities also id check the baffles make sure there not chipping as well the transfer port I had something similar and found some gunk in some of the parts after a full tear apart
yea check velocities also id check the baffles make sure there not chipping as well the transfer port I had something similar and found some gunk in some of the parts after a full tear apart
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Yes in the same group. I just checked the port and I will try to get some time to chrony it. Thank you.
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It sounds to me as a REGULATOR problem, you may have some trapped dirt or a worn valve preventing the reg from fully closing after the hammer strikes said valve...If you have access to it, take it apart and wash it with lighter fluid and use very little silicon oil in the O rings...Don't lubricate any other parts....TAKE PICTURES of the regulator as you disassemble it, some regulators have a combination of opposed and non opposed Belleville washers for attaining certain pressure and you want to keep the very same line out of these washers...It it has a spring, then it will be a straight forward process...
Regards,
AZ
Regards,
AZ
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Unless the fmglass had an after market regulator installed, it would be impossible for his issues to be regulator related since marauders are unregulated.
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Fair enough...Still sounds to be a problem related to the air valve, regulated or unregulated the symptoms are the same,
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No I didn't install a regulator it is stock. I am still open for things to check or try. I may clean the Darrel again and if that doesn't fix it I will start down the list of things to try. Thank you for the help.
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Did you check the striker as ajshoots suggested? They are known to back out. Its a good idea to put some thread locking compound on it once re adjusted.
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Did you tune the gun or just shooting how it came out of the box? If you tuned it and wrote down your settings, check if the striker adjustment backout. It is common on marauders. Even if the breech o-ring looks fine, replace it. You should remove it when cleaning the bore as it can get damaged and when they don't seal, you could see shotgun like patterns. The transfer port seals could be leaking as well.
Shoot a couple of chrony strings and post your results. If you run into trouble, feel free to pm me and I will give you my phone number.
Shoot a couple of chrony strings and post your results. If you run into trouble, feel free to pm me and I will give you my phone number.
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Maybe obvious but is the breech o-ring still in place? (just inside the breech near the port) They can fly out if dry-fired with the bolt open.
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Breach print is in place, transfer port seals are not leaking, striker backing out didn't have to e today and I got the gun second hand and it shot great ( like a laser) so I didn't check everything my fault. I'm going on vacation tomorrow I'll try to get some chrony strings I'll post when I can. Thank you all for the help.
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