Home / Gun Care & Accessories / Fn America / FN FN15 AR-15 Complete Upper Receiver 5.56x45mm NATO 20" Barrel

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FN FN15 AR-15 Complete Upper Receiver 5.56x45mm NATO 20" Barrel

FN FN15 AR-15 Complete Upper Receiver 5.56x45mm NATO 20" Barrel

Lowest Listed Price

$809

MSRP

$809

Savings

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Updated

Aug 26, 2026

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Specifications

Brand

MPN

36427

UPC

845737005986

Description

FN 15 Upper Receiver Assemblies are meticulously built in FN's Columbia South Carolina manufacturing facility alongside US Military contract M4 rifles. Each upper receiver is supplied with and M16-style Bolt Carrier Assembly with properly staked gas key and Carpenter 158 Magnetic Particle Inspected (MPI) bolt, charging handle and FN's venerable cold hammer-forged barrel.

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