Daniel Defense M4A1 Upper Receiver Group 14.5in 5.56 NATO FDE RIS II Quad Rail 23-004-13150

SKU: FLX-DD23-004-13150

Regular price $1,611.98
Sale price $1,611.98 Regular price $1,660.00
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Product Description

The Daniel Defense M4A1 Upper Receiver Group is a mission-proven 5.56 NATO upper built around the SOCOM-used M4A1 Rail Interface System (RIS II). Its two-piece, free-floating RIS II quad-rail supports hard-use accessory mounting while keeping the barrel free to maintain accuracy. This complete upper features a 14.5 inch cold hammer forged M4-profile barrel with a permanently attached Daniel Defense extended flash suppressor to achieve a non-NFA 16 inch overall length, plus an included M16-profile bolt carrier group for reliable performance.

Product Highlights

  • RIS II two-piece free-float quad-rail allows robust accessory mounting without affecting barrel harmonics
  • 14.5 inch cold hammer forged M4-profile barrel for durability and consistent accuracy
  • Pinned and welded Daniel Defense extended flash suppressor for 16 inch overall barrel length compliance
  • Includes M16-profile bolt carrier group for dependable cycling in hard-use conditions
  • Designed to support heavy attachments with a secure bolt-up interface system

Specs

  • Brand: Daniel Defense
  • Model: M4A1 Upper Receiver Group
  • Caliber: 5.56x45mm NATO
  • Barrel Length: 14.5 in (16 in overall with pinned and welded extended flash suppressor)
  • Barrel Profile: M4
  • Twist Rate: 1:7
  • Barrel Construction: Cold hammer forged, chrome lined (Chrome Moly Vanadium steel)
  • Gas System: Carbine length, direct impingement
  • Handguard: Daniel Defense M4A1 RIS II quad-rail (FDE)
  • Bolt Carrier Group: Included, M16 profile
  • Muzzle Device: Daniel Defense extended flash suppressor, pinned and welded
  • UPC: 815604016612
  • Manufacturer Part Number: 23-004-13150

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