Primary Weapon Systems 12" KeyMod™ Rail, AR15/M4 Pattern Rifles

Specifications

Light Weight Free Float Design
Steel Barrel Nut
Continuous Top Picatinny Rail
Integral Sling Swivel Attachment Points with Limited Travel
Mil-Spec 1913 Picatinny Rails

Material: Aircraft Grade 6061-T6 Aluminum
Finish: Military Specification Type III Hard Coat Anodized
Length: 12.1"
Width: 1.8"
Height: 2.1
Inside Diameter: 1.35"
Weight 11.6 Ounces