AR-bolts: what's the good, bad and ugly on different makes?
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February 5, 2013, 10:48 AM
Join Date: November 2, 2007
Location: Northern Orygun
The bolt should be made from C158 steel. Many shooter like to see MPI and HPT testing. I don't have problems with untested bolts as long as they are from a reputable supplier.
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