If none of this works find someone with a NOGO chamber gauge.Everything looks okay so far. Try to look at / feel the chamber - Is it rough? Check spent rounds for excessive headspace - a ring near the back of the case, or a primer that is flattened.ģ. Clean with copper chamber brush - vigorously.Ģ. Now we are getting somewhere, assuming there are no gouges in the piston or carrier, it could be a dirty chamber ( I know it is new.), bad headspace, or rough chamber.ġ. The case does not appear to be deformed, though." I really have to force the bolt carrier back, really hard to get the empty case out of the chamber. "The curious part, to me is the spent shell casing gets stuck hard in the chamber. With the gas tube off shine flashlight into gas block, look down UNLOADED muzzle and you should be able to see if the light in the barrel is uniformly bright - indicating it is properly drilled. The case does not appear to be deformed, though.įorgot about the combo front sight / gas block. The curious part, to me is the spent shell casing gets stuck hard in the chamber. It is a 90 degree gas block/front sight assembly so I am not sure if I will be able to see light coming through. Don't know if it is enough to partially close the gas port off. If that all checks out try different ammo, but I doubt that it is the ammo.The front sight/gas block is offset to one side slightly. I don't remember mine coming with a lot of grease, but if there is any, give it a good cleaning followed by a light oiling. Pull the bolt and examine the extractor for free movement and that is has no chips. Look for scrap marks.Ĭheck the ejector and make sure it isn't dented or otherwise damaged. Sometimes a canted rear sight housing interfers with the movement of the carrier / piston. I have heard of one case where it was drilled with fine Romanian precision causing it to be partially obstructed.īarring that put the gas tube back on and the bolt carrier group in and see if it is moving freely.
Field strip the pistol and remove the gas tube, shine a light down the bore and look through the gas block housing at the gas port hole drilled in the barrel.
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