6000 series extruded aluminum rail, MIL-SPEC Type III Class 2 hardcoat anodized

7075 aluminum barrel nut, Type III Class 2 hardcoat anodized

M-LOK compatible

17-4 PH cored stainless steel rail mounting attachment

Anti-rotation tabs time rail to upper receiver

4 QD sling sockets

Includes barrel nut wrench

Compatible with most low-profile gas blocks

Inside diameter: 1.315"

Barrel nut diameter: 1.378"

Weight: 6.6 oz

Made in the U.S.A.

UHPR MOD 2 Rails feature a full-length Picatinny top rail providing space for forward mounted lights, NV/IR optics, and laser designators. M-LOK slots at the 3, 6, and 9 o'clock positions offer plenty of room for further expansion. Easy to install, this rail requires no barrel nut shims for installation.Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited to own.