OSA URG 16"
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 2 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
- 15" BCM MCMR Rail
- 15" Midwest Industries Combat Rail
- 15" Geissele MK8 Rail
- Rosco Manufacturing 16" Barrel
- OSA 3 Prong Flash Hider
- OSA .750 Low Profile Gas Block
- OSA Melonite Midlength Gas Tube
- OSA Nitrided Bolt Carrier Group
- OSA Forged Charging Handle
- Magpul MBUS 3's
OSA URG Mod2 Specifications
- OSA-15 Forged Upper Receiver
- Your choice of Handguard
- 15" BCM MCMR Rail
- 15" Midwest Industries Combat Rail
- 15" Geissele MK8 Rail
- Rosco Manufacturing 16" Barrel
- Your choice of Flash Hider
- SOLGW Nox
- Surefire Warcomp
- OSA .750 Low Profile Gas Block
- OSA Melonite Midlength Gas Tube
- OSA Duty BCG (OSA D-BCG)
- Radian Raptor Charging Handle
- Magpul MBUS 3's
