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New Frontier Armory C-5 Stripped Billet Upper

AR-9 Upper Receiver

In stock

Available for In-Store Purchase Auburn, WA

New Frontier Armory C-5 Stripped Billet Upper


Stripped C-5 “Slick Side” Billet Upper – Accepts MP5, Glock, & Colt Style Mags

 Manufacturer:  New Frontier Armory

Model:  Stripped C-5 Billet AR-9 “Slick Side” Upper Receiver

Caliber:  Multi

Magazine: MP5, Glock, Colt (NO LRBHO Feature in Upper)

Weight:  0.70 pounds



  • Machined from 7075 T6 aircraft grade billet aluminum
  • Widening cut to accept a wider range of pistol caliber magazines
  • Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
  • Compatible with all standard AR-9 components and most aftermarket parts — Machined pocket to accommodate Magpul BAD Lever
  • Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
  • Save money by building your own AR-9 rifle from the ground up exactly the way you want it configured
  • Designed to match lines with New Frontier Armory C-5 Billet Lowe
More Information
Product Type AR-9 Upper Receiver
Manufacturer New Frontier Armory
Option AR-9