2 Pack - AIM NiB EXO Bolt Carrier Group 5.56 UCT (Fail Zero) Coated

$ 229.99 $ 249.99

*Includes 2 AIM Nickel Boron EXO 5.56/.223 complete Bolt Carrier Groups now with UCT's (Fail Zero) exclusive Nickel Boron EXO Technology coating. Features 9310 Bolt Material; 8620 carrier and gas key; Properly staked Investment cast gas key hardened to USGI specifications fastened with Hardened Grade 8 Fasteners; Shot peened MPI (Magnetic Particle Inspected) Bolt. Extractor insert installed. Proudly made in the USA with a Lifetime Warranty.

UCT’S EXCLUSIVE EXO TECHNOLOGY

EXO Technology creates a competitive advantage for all kinds of components, because treated parts run dramatically longer and more accurately with less maintenance. Further, EXO greatly enhances heat dissipation, so treated products run far cooler than non-treated parts.
The EXO process is permanent, lasting for the entire lifespan of treated parts. A patented, nodular nickel-boron (NiB) surface treatment, EXO nucleates on the surface atoms of metals, becoming part of the metal rather than merely applied to the outside. In addition, the treated surface becomes harder than the substrate itself, eliminating the cost, weight and degradation problems of conventional hardened metals.
EXO Technology is featured in firearms, weapons and support systems used by the U.S. military and law enforcement and security agencies. EXO Technology is appropriate for virtually any application where reduced friction, extended service life, enhanced performance and lower maintenance are desirable.

How does UCT’s EXO coating differ/compare to conventional coatings?
UCT's EXO coating looks different from other Nickel Boron coatings. It has more of a dull grey, marbled appearance. UCT technology applies a nickel-boron (Ni-B) family of coatings to metal alloy surfaces. The properties of these coatings make them suitable for applications requiring high wear resistance, friction reduction, uniformity of dimensions on complex geometry, strong adhesion to substrates, and inherent solid lubrication. Corrosion inhibition is an added feature. Benefits include increased life cycle and decreased maintenance costs

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