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R&D Precision 9mm PW9 Bufferless Upper Kit – V2

AR-9 Upper Receiver

In stock

R&D Precision 9mm PW9 Bufferless Upper Kit – V2

Rainier Arms Exclusive

The new Gen 2 PW9 Upper Kit from R&D Precision! Unlike the the Gen 1 Upper Kit, the Gen 2 comes with a built-in handstop and an updated muzzle device. The upper comes installed with an R&D Precision 6" handguard and a 5" barrel W/ a installed muzzle device that sits about an inch past the handguard.



  • Upper Machined from 7075-T6 aircraft grade billet aluminum
  • Utilizes R&D Precision LLC Patent Pending design!
  • Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
  • Manufactured to MILSPEC (where applicable) on state of the art CNC equipment for consistent quality parts and exacting tolerances
  • Rear vertical Picatinny rail attachment point included.
  • QD Sling Mount Socket built into the rear vertical rail and either sides of the handguard.
  • Compatible with most standard mil-spec AR-15 components and aftermarket parts



  • Caliber: 9MM
  • Handguard: 6"
  • Barrel: 5" W/ installed muzzle device
  • Weight: 3.41 lbs
More Information
Product Type AR-9 Upper Receiver
Manufacturer R&D Precision
Rail Length 6.0"
Barrel Length 5"
Caliber 9mm

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