Quote:
Originally Posted by Steve912
CARRIER...not bolt. Compare the carrier internal structure,
between tail of bolt and flange of firing pin.
Well, go ahead and eyeball the bolt, too...low hanging fruit, easy to compare. Might was well throw the firing pin in, too.
Semi-auto and select fire carriers are different at back end...if carrier acts to prevent firing pin protrusion on an unlocked bolt, that's a feature that would not logically be exclusive to a semi- carrier.
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Don't know much about either the bolt or carrier IMHO. All we know is that they are not HPT/MPI marked and they are semi auto and for the most part have run well which would lead one to believe that the overwhelming number of them are within spec and working properly.
I don't need to inspect anything because I don't own a M&P 15. I am only bringing this to the attention of the forum because it might help others.
I agree that there is a difference between full auto and semi auto carriers but it does not really tell us anything does it. Oh well hope it amounts to nothing for those who own M&P 15s and shoot Wolf ammo.