Concealed Carry Hand Guns - - THE ARMORY -

Ac­cord­ing to Ben McMillen at H&M Metal Pro­cess­ing in Akron, Ohio, Black­ni­tride is a chem­i­cal fin­ish that was first used on heavy equip­ment, specif­i­cally lo­co­mo­tive cylin­ders. Later the fin­ish was ap­plied to other things, in­clud­ing golf clubs, and about 20 years ago, they be­gan ap­ply­ing it to firearms re­ceivers and bar­rels. McMillen called it a “dif­fu­sion process.” There is no di­men­sional change in the metal be­cause the fin­ish doesn’t go “on,’ it goes “in,” he ex­plained. It doesn’t chip or flake, and it pen­e­trates any fer­rous metal. “We tell peo­ple it’s blu­ing on steroids,” he chuck­led. McMillen said more firearms com­pa­nies be­came in­ter­ested on ap­ply­ing this fin­ish, and al­though they of­ten called it some­thing else, it was the same process. He es­ti­mated that these days, his company does about 80 per­cent of the Black­ni­tride applications. What­ever they call it, this Black­ni­tride seems to be as durable as any­thing I’ve ever seen, and maybe tougher than many al­ter­na­tive fin­ishes.

Black­ni­tride is a rugged fin­ish that doesn’t flake or chip be­cause it is in, rather than on, the steel.

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