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AR15.COM
AR Sponsor
4/20/2013 4:57:03 AM EDT
A friend dropped off his Mk3 bolt along with replacement parts and asked me to fix it. I have never seen one of these bolts before and am
in need of a diagram or some pictures to help me.

I'm used to AR-15 bolts and the Mk3 bolt has a spring, plunger and pin in the bolt that AR-15 doesn't have.  That is where his problem with this bolt is
and I have no idea how it goes back together. I have replacement parts, just need some help or diagram or something.

Anyone?

Thanks.
AR Sponsor