Triarc Systems 5.56 TSR-15S Barreled Upper - 12.5"

Manufactured by Triarc Systems
SKU: TSU-556-12
MPN: TSU-556-12
Manufactured by Triarc Systems
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Details

Details

The Triarc Systems 12.5" 5.56mm TSR-15S Barreled Upper is a forged upper that represents a premium upgrade for your current AR or a great place to begin your next build. This barreled upper features the TRACK 2.0 barrel, a Mil-Spec barrel machined from 4150V CMV with a black nitride finish, and NP3 coated barrel extension for superior performance and unrivaled durability. The chambered 5.56mm TRACK 2.0 features proprietary rifling known as Single Edge Polygonal (SEP). The primary function of the SEP's single edge and polygonal areas separating the grooves is to provide an improved rifling experience. This combination of standard and polygonal areas helps the bullet move along the barrel symmetrically for a direct line to the target. The Triarc barreled upper boasts a 7 sided M-LOK handguard, mid-length gas system with a .750 diameter with 1" length gas block for superior performance.

Please note: BCG or charging handle not included.

Features:
  • 12.5" Barrel
  • 4150V Chrome Moly
  • Black nitride finish
  • NP3 extension finish
  • 7 Sided M-LOK
  • Mid-length gas system
  • .750" diameter with 1" length gas block
  • 1:7" twist rate
  • 1/2×28 muzzle thread
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Specifications

Barrel Coating
Barrel Length12.5
Barrel Material4150V Chrome Moly
BrandTRIARC Systems
Gas System LengthMid-Length
Handguard7 in M-LOK Rail
Thread Pattern1/2 X 28
Twist Rate1:7

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