We have teamed up with Robar to have all of our AR Bolt Carrier Groups completely NP3 plated.  Our testing and the testing of others have shown that Robar NP3 plating of the Bolt Carrier Group enhances reliability, lessens cleaning time, improves corrosion resistance and minimizes required bolt lubrication. 

What is NP3?
NP3 is a surface treatment for steel and metal alloys that combines sub-micron particles of PTFE (polytetrafluoroethylene), otherwise known as Teflon, with electroless nickel.

NP3 - THE ADVANTAGES

• Very accurate and even coatings on all activated surfaces.
• No lubrication is needed on opposing surfaces.
• Cleaning is minimal, usually requiring only a soft cloth.
• Permits firing for longer periods of time between cleaning, as dirt and powder residue has no wet or oily surface to cling to.
• NP3 has a micro hardness of 48-51 Rockwell as plated (nickel matrix).
• NP3 is very corrosion resistant, a 1 mil (.001) coating exceeding a 240 hour salt spray test.
• NP3 has a high lubricity and low friction co-efficient; therefore, the life expectancy of a firearm will be greatly increased due to reduced friction wear.
• The coating is strippable with no effect on the base metal, allowing other coatings to be applied or a new coating of NP3 to be applied, if necessary.
• NP3 plated onto stainless steel guns will prevent galling, a problem common with stainless steel.
• NP3 is a satin gray, non-reflective color ideal for all firearms.
• NP3 can be plated to all internal parts giving a smoothness to the action not found with any other coating.
• In cases where the NP3 has been perforated, the corrosion shows no tendency to spread or migrate under the coating.
• NP3 is guaranteed against corrosion, peeling or flaking for the lifetime of the firearm.

The Wilson Combat AR-15 complete Bolt Carrier Group [made for us by Microbest, a Mil-spec contractor ] is machined from the correct Mil-spec steel for increased strength and includes tool steel machined extractor with upgraded spring/insert and is Magnetic Particle Inspected for fail-safe reliability under extreme use. This bolt carrier group will enhance the performance of any AR Platform rifle and is the perfect start for your next custom rifle build.

The hardened gas key is secured to the carrier via USGI grade fasteners and properly staked to exceed normal specs for proper gas system function.