Troy LR-308 TRX-308 Extreme BattleRail for DPMS LR-308 High Profile Receiver 13.8" Aluminum Black STRX-E3A-13BT-01

Troy Industries
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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. Removal of barrel nut assembly and front sight block required

Specifications and Features:
Weight w/barrel nut: 13.06 oz
Weight w/o barrel nut: 11.51 oz
Exact Length: 13.8
Number of rail slots: 34
Inner diameter: 1.61
Outer diameter: 1.8
Diameter of cooling hole: .5
Number of cooling holes: 10
Gas tube channel diameter: .5
Gas tube channel height: .43-HP, .35-LP
Inner diameter of barrel nut: 1.24
Material: 6061 T6 Aluminum
MIL-A-8625 Type III Class 2 Hard Coat Anodized with Teflon

Note: Not compatible with RRA LAR -8.

How to tell what type of DPMS LR-308 receiver you have:
Important: DPMS, Bushmaster, and Remington may have two different height upper receivers. Please download PDF to determine which receiver you have before purchasing.

The new Low Profile upper receiver has a 1/8" wide top portion where the charging handle is installed.

The older High Profile upper receiver has a 3/16" wide top portion where the charging handle is installed.