The Firing Line Forums - View Single Post - AR-bolts: what's the good, bad and ugly on different makes?

madcratebuilder · February 5, 2013, 10:48 AM

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.

February 5, 2013, 10:48 AM	#2
madcratebuilder Senior Member Join Date: November 2, 2007 Location: Northern Orygun Posts: 4,923	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.