10 inch ultra slim key mod rail
* made from 6061 aircraft aluminum
*Made in the USA
*weights only 6.7 oz
*US Made
* Keymod sections at the 90, 135, 180, 225, 270 Degree
* Octagonal Slimline Design
* Thin Grooves In Extrusion For Better Gripping
* "Shark Mouth" Front Cutout Design
* Proprietary Barrel Nut Included
* Internal Diameter: 1.31
Rail System Slides Over Barrel Nut , And Is Locked Up Against Receiver With 6 Screws
Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail