The Lead & Steel mid length 4150 Nitride 5.56x45mm 16 inches barrel is machined from a GM 4150 CMV blank, ensuring strength and reliability. This barrel is dimpled for better gas block alignment, fully stress relieved to enhance durability and 11 deg target crowned for improved accuracy. Additionally, it is finished with a gas nitride treatment, providing excellent wear resistance, corrosion protection and longevity.

3/4 inches journal
0.07 inches gas port, optimized for both suppressed and unsuppressed shooting
1:8 inches twist rate
5.56x45mm chamber for compatibility with both 5.56x45mm and .223 Remington cartridges, offering reliable performance and versatility
Dimpled for securing gas block set screws
Sub-MOA accuracy guaranteed with MK262 ammunition

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