Advantages Nickel Boron/Nitro Met on BCG and barrel for AR rifle.
Advantages and benefits of Ni B, nickel boron, and nitro met, salt bath nitride on AR bolt carrier group, barrel, and gas tube assemblies. This is an inexpensive modern technology…
Advantages and benefits of Ni B, nickel boron, and nitro met, salt bath nitride on AR bolt carrier group, barrel, and gas tube assemblies. This is an inexpensive modern technology…