HK 416/ 417 / MR556 / MR762 Selector Axle (with 2x pins). 

These axles have been carburized and case hardened for strength and durability, they have a crisp snap when locking into position.

• Material – Steel

• Surface hardness – 60-61 HRC

• Finish – Black Oxide

• Compatibility – HK416, HK417, MR556, MR762

• made by HAUS

Made in the USA