Sons Of Liberty Gun Works M4-89 5.56 NATO AR-15 Rifle - 16"

SKU: M4-89-16
MPN: M4-89-16
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Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to



Sons of Liberty Gun works is committed to making high-quality parts and firearms, and they stand by their products for a lifetime, which is why each of them comes with a lifetime warranty from manufacturing defects. This AR rifle is an awesome way to get into the 5.56 NATO platform with a firearm that’s meant to last you for a lifetime of hard use.

  • 16" Barreled Upper Receiver
  • 7075-T6 Upper
  • Combat Grade Barrel
  • Threaded Barrel
  • Included A2 Flash Hider
If you’re looking for an awesome 5.56 NATO rifle build, this is one worth looking at. This has a high-quality receiver, including an ejection port cover, forward assist, and an integral Picatinny rail that extends the length of the handguard. The front sight block is low profile, meaning that this will be an optics-ready option. This is a complete package, that comes with everything but an optic and ammo. With that in mind, this is an excellent rifle in 5.56 NATO: all you need is an optic, and you’d be ready to go to the range.
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Barrel Coating
Barrel Length16
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandSons of Liberty Gun Works
Caliber Gauge5.56 NATO
FinishHardcoat Anodized
Magazine Capacity30
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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