5" barrel with a 1:7 twist made of 416R stainless steel; the Ml 6 bolt carrier group is of Carpenter 158 steel, both are finished in Melonite
The barrel has a Melonite
QPQ finish, inside and out.
The barrel itself is manufactured from 4l6R stainless steel with a l:7-inch twist and a Melonite
Another cleaning topic is salt bath nitriding, such as Isonite or Melonite
The Long Range has a 22-inch, button-rifled barrel that is finished in Melonite
QPQ, a finish that converts the barrel's surface instead of placing a coat over the top of it.
The original M&Ps were given S&W's Melonite
SAVAGE * The MSR 10 Hunter features a premium 5-R rifled barrel and tough Melonite
3-inch hammer-forged barrel with a corrosion-resistant Melonite
The Summit is a minimalist wallet constructed with cold-rolled steel coated in a durable melonite
Chamber, bore, and barrel exterior are treated with Melonite
for longevity and corrosion resistance.
The barrel featured a black melonite
finish that had a semi-gloss appearance.
surface treatment improves wear and corrosion resistance for more positive alignment over the life of a mould.