16" 5.56 M4 CGR

Your Price: $1,600.00
In Stock
Part Number:MA-M4-16-556-TUNG-2
At MA Defense we believe there is no substitute for quality. Starting with our 16" combat grade barrel and our quality BCG for the heart of a long-lasting system. Combine this with our properly ported gas system, Sprinco buffer springs, and topped off with our MCT trigger. This rifle is meant to be beaten up and will not let you down.

Lower Receiver:

  • Lower Receiver: Modern Armory forged lower receiver
  • Machined from 7075-T6 forged aircraft grade aluminum
  • Graphite Black Cerakote
  • Generous flare cut to the magazine well for quick magazine changes
  • Buffer System: Mil-Spec Buffer System
  • Receiver Extension: 6 Position Mil-Spec RE Tube made from 7075-T6 Aluminum.
  • Buffer: H1 Buffer
  • Buffer Spring: Sprinco White Spring
  • Receiver end plate: MA QD End Plate with properly staked FCD Castle Nut
  • FCG: Nickel Teflon Modern Combat Trigger
  • Safety Selector: Radian Weapons Talon
  • Grip: BCM Gunfighter Grip MOD 3 BLK
  • Stock: BCM Gunfighter MOD 0 SOPMOD BLK

Upper Receiver:

  • Precision machined to correct Mil-Specs from 7075 T6 Forged aluminum
  • Graphite Black Cerakote
  • MA C158 BCG 
  • Charging Handle, Radian Weapon Raptor LT
  • Handguard: MA 15" Slimline
  • Muzzle Device: A2 Birdcage 
  • Barrel: MA 16" 4150 CrMoV Steel 1:7 Twist with Polished Feed Ramps
  • Caliber: 5.56x45mm NATO
  • Gas System: Mid-Length with properly sized gas port
  • Gas Block: .750 Nitride gas block
  • Barrel Finish: Nitride corrosion resistant finish
  • Magnetic Particle Inspected (MPI)

Headspace Checked and Verified to MA BCG.

Includes One Magazine, Carry bag, Sticker, Patch & Lifetime Guarantee.

This item is regulated.

Items that are regulated by the ATF have restrictions and requirements:

  • Your entire order will ship only to a Federal Firearm License holder.
  • Current processing time can be 1-3 days.
  • A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to [email protected]


This is a serialized item considered to be a firearm by BATFE.  This item must be shipped to a Federal Firearm License (FFL) holder.  All BATFE, GCA & NFA rules apply!  This item must be shipped to a Federal Firearm License (FFL) holder.  During checkout you will need to provide us an FFL to ship to in your area. YOU will be responsible for checking with your local FFL to ensure this weapon is legal in the state that you reside and that they will accept this weapon on your behalf and transfer it to you.  Modern Armory, LLC will NOT be responsible for any shipping or admin charges incurred by packages not being accepted by the FFL you choose during checkout.

ITAR: International Traffic in Arms Regulations Controlled Product

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