Troy BattleRail TRX-308 13″ Extreme Armalite DPMS Bushmaster
Built-off of the revolutionary patented TRX Extreme, the Alpha 308 brings the same sleek, lightweight, low-profile design to the more powerful .308 platform. Troy’s 308 Rails are available for ArmaLite AR-10®, DPMS LR-308 (Low and High Profile) and other uppers compatible with the LR-308 and AR10 Platforms. Note that they are not compatible with the RRA LAR-8 or DPMS Gen 2 308. Machined from hardened aircraft aluminum with stainless steel components and finished in MIL-SPEC hardcoat anodizing. Alpha 308 includes handguard, barrel nut and three quick attach rails. Available in Black only.
How to tell what type of DPMS LR-308 receiver you have:
IMPORTANT: DPMS, BUSHMASTER & REMINGTON may have two different height upper receivers. Please download PDF to determine which receiver you have before purchasing: 308 COMPARISON (Right Click to “save as”)
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.
- Weight w/barrel nut: 13.06oz.
- Weight w/o barrel nut: 11.51oz.
- Exact Length: 13”
- 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
- Coating type: MIL-A-8625 Type III Class 2 Hard Coat Anodized w/ Teflon
Low profile, light weight, durable S.S.Q.D. sling mount solution for TRX Extreme rails. Included S.S.Q.D Sling mount.**The Troy Q.D. SWIVEL w/TRX Cooling Hole Low-Pro Mount is compatible with the Troy Alpha Rail®**
Squid Grip 7 Pack - This new revolutionary rail cover is made of proprietary advanced rubber that is heat resistant and extremely durable. Made specifically for the TRX Extreme, Alpha and Delta rails. Covers mounts directly into the cooling holes. The covers come in a pack of 7. Each cover has a 6-hole configuration but may be cut to form any length or inserted end to end for longer lengths.
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