Complete Your New AR Build with New Frontier Armory

Whether a new build or an upgrade, the New Frontier Armory AR-15 C-4 Standard Billet Upper is a great option. Aircraft grade 7075-T6 aluminum billet is CNC machined to precise mil-spec tolerances for complete compatibility with mil-spec parts and lowers. Designed to match the New Frontier Armory C-4 Billet Lower for a very clean look, this Standard Billet Upper will fit most forged AR-15 lowers as well. This upper is designed to fit flush mounting rails and standard handguards. Rails with anti-rotation pins may need to be modified to fit this upper.

New Frontier Armory AR-15 C-4 Standard Billet Upper Receiver Specifications and Features:

• Item Number: C4UPPER-STD
• Machined 7075-T6 Aircraft Grade Aluminum Billet
• Compatible with All Standard AR-15 Components and Parts
• Machined Pocket to Accommodate Magpul BAD Lever
• CNC Manufactured to MILSPEC
• Accepts MILSPEC Dust Cover and Forward Assist (Sold Separately)
• Designed to Match the New Frontier Armory C-4 Billet Lower and Most Forged AR-15 Lowers
• Designed for Flush Mounting Rails and Standard Handguards
• Rails with Anti-Rotation Tabs May Need Modification to Fit the Upper
• Picatinny Top Rail
• Weight: .80 lb.
• Matte Black Hard-Coat Anodized per Mil 8625 Type 3 Class 2 Finish
• Made in the USA