The small diameter is engineered to work with many gas piston systems and gas piston conversion kits. It is a free float rail system that allows the individual operator to easily install it with the provided Allen key and requires ZERO modification to the weapon! Features an integral QD sling swivel mount with rotation limiter, an uninterrupted upper rail platform, and a removable top cover for access to the piston components.

Specifications and Features
User Install
ZERO Modification to host weapon
Free float
Integral QD Sling Swivel Mount with limited rotation
Continuous upper rail with upper receiver
Removable Top Cover for access to piston components
Lightweight
Oval Shape to feel like traditional Hand Guards

MATERIALS & CONSTRUCTION
Precision CNC machined from Aircraft Grade 6061-T6 Aluminum and Military Specification Type III Hard Coat Anodized for a rock hard lasting finish.
Material: Aircraft Grade 6061-T6 Aluminum
Finish: Military Specification Type III Hard Coat Anodized
Length: 7.21"
Width: 1.90"
Weight 8.0 Ounces
Inside Height: 2.083"
Inside Diameter: 1.08"
Made in the USA!