AR-15 5.56/.223 20" Stainless Steel Tactical Upper Assembly | M-LOK | Triport Muzzle Brake

Product Code:MAR-556-20-15-TRI
Availability:In Stock
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  • $269.95

  • $399.95

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AR-15 5.56/.223 20" Stainless Steel Tactical Upper Assembly | M-LOK | Triport Muzzle Brake

Enhance your AR-15 build with the 20" Stainless Steel Tactical Upper Assembly designed for precision and durability. This upper features a 416 stainless steel HBAR barrel, hardened to 26-32 RC and stress-relieved for reliable performance. The barrel is chambered in .223 Wylde, allowing you to shoot both 5.56 NATO and .223 Remington rounds. With a 1-8 RH twist, 6-groove button rifling, and M4 feedramps, it offers consistent accuracy shot after shot.

The A3 flat top upper receiver is crafted from certified 7075-T6 aluminum forgings, black hardcoat anodized to meet government specifications. It comes equipped with a forward assist and dust cover for easy operation in various conditions. The low-profile .750 steel gas block is black hardcoat anodized, paired with a rifle-length gas tube for optimal gas flow and performance.

The assembly includes a 15" free-floating M-LOK handguard made from aircraft-quality aluminum, also anodized for long-lasting durability. The barrel features a 1/2-28 muzzle thread and is finished off with a Triport muzzle brake and a crush washer, providing recoil mitigation and a reduced muzzle rise.

Key Features:

  • Barrel: 20" 416 stainless steel heavy/HBAR barrel, 1-8 RH twist, 6-groove button rifling.
  • Chamber: .223 Wylde (shoots 5.56 NATO and .223 Rem rounds).
  • Muzzle: 1/2-28 threads with Triport muzzle brake and crush washer.
  • Upper Receiver: A3 flat top, made from 7075-T6 aluminum, black hardcoat anodized with forward assist and dust cover.
  • Gas System: .750 low-profile gas block, rifle-length gas tube, black hardcoat anodized.
  • Handguard: 15" free-floating M-LOK rail, made from aircraft-quality aluminum, anodized for durability.
  • No BCG/Charging Handle: Sold separately.

Please note: Images may not exactly represent the product, as M-LOK variations may occur depending on stock availability, but rest assured the quality is consistent.

 

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Tags: ar-15, 5.56/.223, 20 20 20", stainless, steel, tactical, upper, assembly, m-lok, triport, muzzle, brake

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