The STAR-CXR is an extension of our CX-EBR rail (a free floating carbine length rail system that fits over the front sight base) and allows for extended hand hold and mounting of a weapon light at 12:00.

Specifications:

Carbine Length + 2.5" In Front Of FSB
Free Float For Accuracy
6061 Aluminum
Clamps To Barrel Nut
Clamped To Prevent Barrel Nut Rotation
Forms Continuous Top Rail
All Rails 1913 Mil-Spec
Hard Coat Anodized
Weight: 16.0 oz.