HK designed & manufactures in Germany 11″ HK416, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length, compared to the regular 9" version.

• 11" length

• quadrail

• fits HK 416/ MR556/ MR223

• Weight: 14.5 Ounces

• made in Germany by HK

• Screw included!

• this item might have some storage/ shipping marks