The new Troy TRX-308 BattleRail is built off the revolutionary TRX Extreme and brings the same sleek, lightweight, low-profile design to the more powerful .308 platform. Proprietary barrel nut provides superior strength. Includes handguard, barrel nut and three quick-attach rails. Machined from 6061-T6 hardened aircraft aluminum and finished in MIL-SPEC Type III hard coat with Teflon. This model fits the Armalite AR10.

Specifications and Features:
Weight w/barrel nut: 12.15oz.
Weight w/o barrel nut: 10.6oz.
Exact Length: 12.2
Number of rail slots: 31
Inner diameter: 1.61”
Outer diameter: 1.8”
Diameter of cooling hole: .5”
Number of cooling holes: 86
Gas tube channel diameter: .5”
Gas tube channel height: .43”-HP, .35”-LP
Inner diameter of barrel nut: 1.24”
Material: 6061 T6 Aluminum
Coating type: MIL-A-8625 Type III Class 2 Hard Coat Anodized w/ Teflon