AL-M4 Upper

AL-M4 Upper
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Price: $546.00

Price with options: $546.00
Effective Range: 300-600 Meters
Accuracy: 1 MOA @ 100m

Product Code: RUPPM4DS

16" M4 5.56 NATO Carbine Gas 4150 Nitride (Included)

Bolt Carrier Groups:
FailZero M16 (Included)
FailZero AR15 [-$5.00]
FailZero M16 (Black) [$14.50]
FailZero AR15 (Black) [$14.50]
FailZero Lightweight XO NIB (Black) [$72.00]

Charging Handles:
Standard AR-15 (Included)
BCM Gunfighter [$38.00]
RAPTOR Ambi [$48.00]

13" Venom (Included)
15" Venom [$15.00]

Muzzle Breaks:
A2/M4 Flash Hider (Included)
VG6 GAMMA 556 EX [$47.00]
VG6 EPSILON 556 [$47.00]
VG6 GAMMA 556 EX [$47.00]
VG6 EPSILON 556 [$47.00]

Add sight package:
Add MAGPUL MBUS Front & Rear Sights [$72.00]
Tactical Rifle Case

Upgrade to Flambeau 6500ARP Tactical Rifle Case [$22.00]

Highlights Specifications Warranty
Chambered in 5.56 NATO
Customizable Options

Armorers Locker rifle upper assemblies include a broad range of configuration options, and each upper assembly we deliver is custom built to your selections. Every upper assembly we produce undergoes a 29-step, systematic review of quality, fit and function (including testing), exceeding industry standards. A copy of the review is included with your order.

Lead times for shipment are typically 1 to 2 weeks. High order volume and part availability may cause delays.

To keep you informed, Armorers Locker will send the following order status e-mail messages:

  • Order Confirmation
  • Build Completion notification
  • Shipment notification
  • Delay notifications (as needed)


California, Connecticut, Massachusetts, Maryland, New Jersey, New York, Washington D.C.

If you have any questions, please call us at (886) 246-2920 or email us at We're ready to help!

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