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OSA

OceanStateArmory OSA URG 10.5"

$549.99 - $974.99
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OceanStateArmory OSA URG 10.5"

The OSA URG from OceanStateArmory is our exclusive complete AR15 upper receiver group that we have assembled using our signature parts and parts that we consider some of the best in the industry.

The OSA URG comes in 2 different color choices. Hardcoat Black Anodized or your choice of single color cerakote. There are also 2 different optons (Mod 1 & Mod 2) to select from.

Please allow a 3 week lead time once your order has been placed. All URG’s are assembled in house and test fired to ensure proper function.

If selecting the Cerakote finish option, please let us know what color you would like in the notes when you checkout.

OSA URG Mod1 Specifications

  • OSA-15 Forged Upper Receiver
  • Your choice of Handguard
    • 9" BCM MCMR Rail
    • 10" Midwest Industries Combat Rail
    • 9.3" Geissele MK8 Rail
  • OSA Origin 10.5" Barrel
  • OSA Milspec A2 Flash Hider
  • OSA .750 Low Profile Gas Block
  • OSA Melonite Carbine Gas Tube
  • OSA Nitrided Bolt Carrier Group
  • OSA Forged Charging Handle
  • Magpul MBUS 3

OSA URG Mod 2 Specifications

  • OSA-15 Forged Upper Receiver
  • Your choice of Handguard
    • 9" BCM MCMR Rail
    • 10" Midwest Industries Combat Rail
    • 9.3" Geissele MK8 Rail
  • Rosco Manufacturing 10.5" Barrel
  • SOLGW Nox or Surefire Warcomp
  • OSA .750 Low Profile Gas Block
  • OSA Melonite Carbine Gas Tube
  • OSA Performance Nitrided Bolt Carrier Group
  • Radian Raptor Charging Handle
  • Magpul MBUS 3