FIRE CONTROL AXLE AUTO HK416 HK417 HAUS 🇺🇸August 7, 2022
HAUS full-auto fire control axle for HK416 and HK417.
These axles have been carburized and case hardened for strength and durability so they have a crisp snap when they lock into position, the exterior finish is black oxide.
🇺🇸 Made in the USA.