The AO Precision Bolt assembly is complete and will work with any 223 Remington or 5.56x45mm Nato AR-15 barrel. The bolt includes all of the critical parts and is ready to be installed in a bolt carrier. AO Precision bolts are Mil-Spec, constructed of carpenter steel, shot peened to relieve stress, and magnetic particle tested. The bolt has a tough Mil-spec phosphate finish for corrosion resistance.
AO Precision is a major supplier for M16 and M4 parts contracts, providing upper receivers, bolts, carriers and barrel extensions. As well as parts for the M249, M240 and USSOCOM suppressor components. As well as providing components to many well respected AR-15 rifle manufactures.
223 Remington/ 5.56x45mm Nato
Carpenter 158 Tool Steel
Mil-Spec Phosphate Finish
Note: This is a complete bolt, gas rings, ejector, and extractor included.
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