AR-15 5.56/.223 24" Spiral Stainless Steel Fluted Upper Assembly | M-LOK | Triport Muzzle Brake | Slick Side

Product Code:MAR-556-24-SPR-SLICK-TRI
Availability:In Stock
  • $349.95

  • $499.95

Available Options

AR-15 5.56/.223 24" Spiral Stainless Steel Fluted Upper Assembly | M-LOK | Triport Muzzle Brake | Slick Side

Enhance your AR-15 build with the 24" Spiral Stainless Steel Fluted Upper Assembly, engineered for performance and accuracy. The 416 stainless steel heavy barrel features a spiral fluted design, reducing weight while maintaining strength. The barrel is hardened to 26-32 RC and stress relieved for durability and precision. Chambered in 5.56 NATO (also accepts .223), it features a 1-8 RH twist and 6-groove button rifling for superior accuracy. The barrel has a .750 diameter under the gas block, and a M4 feed ramp ensures reliable cycling.

The upper assembly is paired with a Slick side AR-15 billet upper receiver, crafted from billet aluminum and black hardcoat anodized to military specifications. A dust cover is installed for protection against debris.

The gas system includes a .750 steel gas block and rifle-length gas tube, providing consistent cycling. The 1/2x28 threaded Triport muzzle brake in nitride finish mitigates recoil, helping to maintain muzzle control during rapid fire.

This assembly features a 15" free-floating M-LOK rail that allows for easy attachment of accessories and ensures a slim, lightweight profile. The rail is made from aircraft-quality aluminum and anodized for added durability.

Key Features:

  • Barrel: 24" 416 stainless steel spiral fluted heavy barrel, 1-8 RH twist, 6-groove button rifling.
  • Chamber: 5.56 NATO (also accepts .223).
  • Muzzle: 1/2x28 threaded Triport muzzle brake with nitride finish.
  • Upper Receiver: Slick side billet aluminum, black hardcoat anodized, dust cover installed, M4 feedramps.
  • Gas System: .750 steel gas block, rifle-length gas tube, hardcoat anodized.
  • Handguard: 15" free-floating M-LOK rail, made from aircraft-quality aluminum, black hardcoat anodized.
  • No BCG/Charging Handle: Sold separately.

Compliance: CA, NY, and NJ compliant.

Please note: Images may not exactly represent the product as variations in M-LOK may occur depending on stock availability. Rest assured, the product quality remains excellent.

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Tags: ar-15, 5.56/.223, 24 24", spiral, stainless, steel, fluted, upper, assembly, m-lok, triport, muzzle, brake, slick, side

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