Sionics Weapon Systems Patrol Three XL 16" 5.56 AR-15 With Lightweight Barrel and MBUS Pro Sights

Manufactured by Sionics Weapon Systems
Manufactured by Sionics Weapon Systems
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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 Sionics Weapon Systems Patrol Rifle Three XL features a 15 inch Sionics M-LOK Rail, 16" Premium Lightweight Nitride Barrel, NP3 Treated M16 Bolt Carrier Group, and Sionics Enhanced Mil-Spec Trigger.

  • Ambidextrous Safety Selector
  • Raptor Ambidextrous Charging Handle
  • Magpul MBUS Pro Folding Iron Sights
  • SIONICS QD End Plate
  • 30 round PMAG Magazine
  • Free float M-LOK handguard
  • Carpenter No.158, HP/MPI Tested Bolt
  • Carbine H Buffer
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Barrel Coating
Barrel ContourLightweight
Barrel Length16
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandSionics Weapon Systems
Caliber Gauge5.56 NATO
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Magazine Capacity30
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:8
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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