Black Rifle Depot

20" Rifle 6mm ARC Medium M-LOK Upper Assembly

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SKU:
28379
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  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly
MSRP: $449.99
$399.99
— You save $50.00

Description

20" 6mm ARC Medium Rifle M-LOK Upper Assembly

Engineered for accuracy, built for modern ballistics.

The 20" 6mm ARC M-LOK Upper Assembly is a purpose-built platform for precision shooting and long-range performance. It features a premium nitrided barrel, rifle-length gas system, and medium contour for optimal harmonics with the 6mm ARC cartridge. Paired with a steel nitrided gas block, American-made M-LOK handguard (style may vary), and forged mil-spec upper, every component is assembled using Permatex 242 and AEROSHELL 33MS for long-term reliability. BCG and charging handle not included. Backed by a Limited Lifetime Warranty and Sub-MOA Guarantee with match-grade ammo.

Specifications

  • Barrel Finish: Nitride / Melonite
  • Barrel Profile: Medium
  • Cartridge: 6mm ARC
  • Barrel Length: 20"
  • Gas System: Rifle Length
  • Twist Rate: 1:7
  • BCG / Charging Handle: Not Included
  • Handguard: American-Made M-LOK (style may vary)
  • Origin: Made in the USA
  • Warranty: Lifetime
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Additional Information

Barrel Finish:
Nitride / Melonite
Barrel Profile:
Medium
Cartridge Compatibility:
6mm ARC
Barrel Length:
20
Gas System Length:
Rifle
Twist Rate:
1:7
BCG / Charging Handle:
Not Included
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