Sons Of Liberty Gun Works M4-EXO3 300BLK AR-15 Rifle - 16"

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Standard orders will ship out in 1 business days or less if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination. NFA items will take longer to ship and are dependent upon ATF processing times.

For individual Officer, First Responder, and Military pricing please make sure you are logged in. for details

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 M4-EXO3 AR-15 Rifle in .300 Blackout, provides superior performance that can handle anything from home defense to competitive matches. This SOLGW M4-EXO3 Rifle boasts an accurate 4150 CMV 16” barrel that’s High Pressure Tested and Magnetic Particle Inspected. At the heart of this AR-15 is a high-quality bolt carrier group, which of course is also HPT/MPI and a SOLGW Liberty fighting trigger with 6-lb pull, nickel coated components, and QPQ stainless steel materials. When you need a rifle that can handle anything, requires minimal maintenance, and is ready to go out of the box (without upgrades needed,) then the Sons of Liberty Gun Works M4-EXO3 AR-15 is the choice to make.

  • 16” .300 Blackout CMV Barrel (HPI/MPT)
  • MPI HPT Bolt Carrier Group
  • Forged Upper and Lower Receiver
  • Liberty Fighting Trigger
  • B5 Furniture
Sons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes on the AR-15 platform. They began producing purpose-built weapons for law enforcement and civilians alike and are given a lot of praise for focusing on the details that make an AR reliable. Function over form is what their rifles are known for and they are guaranteed to get the job done. From full rifles to individual parts, you can’t go wrong with SOLGW.
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Barrel Coating
Barrel Length16
Barrel LiningQPQ Nitride
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandSons of Liberty Gun Works
Caliber Gauge300 Blackout
Gas System TypeDirect Impingement
Magazine Capacity30
Muzzle DeviceA2 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

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