View Full Version : AR bolt marke "MPE"?
01-31-2009, 3:40 AM
Anyone ever heard of this? If so, who manufatures it? Thanks.
01-31-2009, 4:01 AM
01-31-2009, 4:19 AM
Maybe it means its been magnetic particle tested....
01-31-2009, 7:38 AM
01-31-2009, 1:23 PM
Yeah, that's usually MPI, for magnetic particle inspected, but there are variations. MPI is part of the mil-spec requirement, but lots of good bolts aren't MPI.
01-31-2009, 2:02 PM
Thanks guys. I figured it meant magnetic particle inspected. I was curious about brand though?
01-31-2009, 2:10 PM
could the e be for emco mfg? (old) mpc=magnetic particle colt, mpe=emco?
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