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Sig MCX won't eject
Posted on 10/23/17 at 9:34 am
Posted on 10/23/17 at 9:34 am
Bought a new Sig Sauer MCX 300 blackout earlier this month. Finally got to go shoot this past weekend. Bought Federal ammunition (that the fellow at Bowie's recommended) and got 2 out of 20 shells to actually eject. It was crushing the empty casings inside the receiver.
Anyone else have these problems?
Anyone else have these problems?
6
Posted on 10/23/17 at 10:06 am to HairyStamper13
Run it very wet for first 500 rounds or so.
Does it cycle freely by hand?
If so,
Check to see if the gas block is properly aligned and installed.
Does it cycle freely by hand?
If so,
Check to see if the gas block is properly aligned and installed.
Posted on 10/23/17 at 10:16 am to HairyStamper13
What weight ammo are you shooting? Have you tried a variety of supersonics and subsonics?
Sounds to me like the bolt carrier is not building enough speed and inducing the problem. I can't definitively say it's from the ammo but you won't know until you try some different types.
Sounds to me like the bolt carrier is not building enough speed and inducing the problem. I can't definitively say it's from the ammo but you won't know until you try some different types.
Posted on 10/23/17 at 10:34 am to HairyStamper13
Picture of the cases would help.
Don't ever do this with ANY AR-type rifle, or semi-autos in general. An AR will run reliably bone dry if assembled correctly with the right parts, dumping oil on it only masks the problem and can result in catastrophic bolt failure. Take the rifle back to where you got it and let them check it over or send it back to SIG with some of the brass so they can fix it.
quote:
Run it very wet for first 500 rounds or so.
Don't ever do this with ANY AR-type rifle, or semi-autos in general. An AR will run reliably bone dry if assembled correctly with the right parts, dumping oil on it only masks the problem and can result in catastrophic bolt failure. Take the rifle back to where you got it and let them check it over or send it back to SIG with some of the brass so they can fix it.
Posted on 10/23/17 at 11:05 am to HairyStamper13
Did you play with the gas settings? Idk how many it has.
Posted on 10/23/17 at 12:23 pm to HairyStamper13
Did you get it new or used? What version? Has it had the recall on the bolt done?
Posted on 10/23/17 at 2:30 pm to HairyStamper13
try the other gas setting, should work fine
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