Bolt
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Faxon 5.56 9310 Bolt Nitride Blk
FAXON FIREARMS
$58.49Seeing MIL-SPEC as just the starting point, Faxon set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...$58.49 -
Kak K-spec Enh Ar Bolt 556/300blk Ph
KAK Industry
$83.55The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...$83.55 -
Fz Exo Bolt Assembly
FailZero
$95.03This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15" M16" M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly...$95.03