Sons Of Liberty Gun Works M4-89 5.56 NATO Barreled AR-15 Upper Receiver - Pinned NOX - 14.5"

SKU: M489UPPER-14.5-556
MPN: M489UPPER-14.5-556
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Details

Details

If you’re looking for your next high-quality AR-15 rifle build, then a Sons of Liberty M4-89 barreled upper receiver is a great place to start. This receiver is manufactured with strict quality control, plus features an ejection port cover, forward assist, and an integral Picatinny rail that extends the length of the handguard. There is a combat grade barrel at the heart of the M4-89, which is magnetic particle inspected and high pressure tested. SOLGW includes their NOX Flash Hider which is pinned and ready to mount a Dead Air Sandman or Nomad suppressor. 

Features:
  • 5.56 NATO
  • 14.5” HPT/MPI 4150 CMV Barrel
  • Pinned NOX Flash Hider
  • Free Float M-LOK Handguard


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 upper receiver is an excellent foundation for an AR build, and it comes full of some of the best parts available. Choosing this will get you well along the way to making a rugged AR build that will last you years of hard use.
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Specifications

Barrel CoatingQPQ Nitride
Barrel Length14.5
Barrel LiningQPQ Nitride
Barrel Material4150 Chrome Moly Steel
BrandSons of Liberty Gun Works
Caliber Gauge5.56 NATO
ColorBlack
FinishHardcoat Anodized
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Handguard
Muzzle DeviceSOLGW NOX Flash Hider
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 www.P65Warnings.ca.gov.

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