In the world of tactical military weapons, human lives are on the line every day. Contractors that build weapons for the U.S. Government need confidence that their components are the highest possible quality. They purchase parts from a select few manufacturers that have a proven record of consistent quality and attention to detail. AO Precision is one of these elite suppliers.


MilitaryAO Precision is a major provider for the M16 and M4 parts contract for upper receivers, bolts, carriers and barrel extensions. We are also sole source to the U.S. Government for breech bolt assemblies for the M61A1 20mm Vulcan cannon. The company produces parts for the M249 SAW and M240 Machine gun and USSOCOM suppressor components.



AO Precision supplies many of the most respected of the AR-15 rifle producers. These include Alexander Arms, Bulldog Barrels, Colt, Del-Ton, FN Manufacturing, DSA, Krieger Barrels, Lothar Walther, LaRue Tactical, LWRC, Noveske, O.F. Mossberg, Primary Weapons Systems, Rock River Arms, SIG Sauer, E.R. Shaw Barrels, Smith & Wesson, Wilson Arms and Wilson Combat. Our critical parts – bolts, carriers, barrel extensions and receivers – are considered the best available. We also have the ability to produce handgun parts, including frames and slides as well as bolt-action rifle receivers and bolts. When firearms manufacturers demand uncompromising quality and reliability, they turn to AO Precision.

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