Windham Weaponry Heavy Barrel M4 Upper - 5.56x45

Product Number: YWUR16A4B
Item Price: $596.19
Availability: In Stock
Shipping Weight: 8.51 lbs.

This heavy barreled Upper Assembly is complete and ready to snap onto your Lower. A superbly accurate 16” heavy profile barrel - chrome lined and machined from 4150 Chrome Moly Vanadium steel is rifled 1 x 9” Right Hand twist. An A2 Flash Suppressor and standard A2 Front Sight are fitted. The machined aluminum flat top Upper Receiver is complete with Bolt Carrier Assembly, Charging Handle, Forward Assist, Ejection Port Cover, Removable A4 Carry Handle with 300 - 600 meter Dual Aperture Rear Sight.

Specifications:

  • Caliber: 5.56x45
  • Barrel Length: 16"
  • Twist Rate: 1:9"
  • Barrel: Chrome lined 4140
  • Muzzle Device: A2 Birdcage Flash Hider
  • Action: Direct Gas Impingement

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