Sons of Liberty Gun Works M4 Patrol SL 5.56 AR-15 Rifle - 13.7"

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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



The Sons Of Liberty Gun Works M4 Patrol SL AR-15 Rifle features a 13.7" barrel with a pinned and welded Dead Air KeyMo compatible flash hider bringing the overall length to 16" and giving you the ability to easily attach a Dead Air suppressor. The M4 Patrol is built on their Patrol line of receivers offering excellent Mil-Spec quality for the ultimate in long term reliability. For the M4 Patrol series of 5.56 AR-15 rifle, SOLGW decided to go with the fixed A2 style front sight gas block combo for those that require a rock solid back up iron sight set up. The SOLGW M4 Patrol also comes fully outfitted with B5 systems stock, pistol grip, and a Magpul SL mid-length drop in forend.

  • 13.7" Barrel chambered in 5.56 NATO
  • Dead Air KeyMo pinned and welded flash hider
  • M4 Patrol series receivers
  • A2 Style front sight gas block
  • Mid-length gas system
  • Magpul SL handguard
  • B5 Systems stock and pistol grip
  • SOLGW Nickel Boron trigger
  • Enlarged trigger guard
  • Flip up rear sight
  • Ambi charging handle
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Barrel CoatingSalt Bath Nitride
Barrel ContourM4
Barrel Length13.7
Barrel LiningSalt Bath Nitride
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandSons of Liberty Gun Works
Caliber Gauge5.56 NATO
Gas System LengthMid-Length
Gas System TypeDirect Impingement
HandguardMid-Length Drop-In Handguard
Magazine Capacity30
Muzzle DeviceDead Air Flash Hider - Pinned and Welded
Thread Pattern1/2 X 28
Twist Rate1:7
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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