FN America AR-15 5.56x45mm NATO 14.70in M4 Profile Carbine Length Gas System Black Phosphate Cold Hammer Forged Chrome Lined

Name: FN America AR-15 5.56x45mm NATO 14.70in M4 Profile Carbine Length Gas System Black Phosphate Cold Hammer Forged Chrome Lined
Brand: Optics Planet
Price: 349 USD
Availability: InStock

Sold byOptics Planet•Posted Apr 27, 2026

Compare prices for FN Hammer Forged AR-15 Barrel 5.56x45mm NATO 14.7" M4 Contour 1:7" Twist Manganese Phosphate Carbine Length Gas Port

$349.00

$429.99

You save $80.99 (19% off)

Price and stock data refresh continuously from Optics Planet.

Buy on Optics Planet

Deal Summary

Currently in stock.
Caliber: 223/5.56
Category: parts
UPC: 845737011147
SKU: 57D-ATB-20-100405-20-100405
Brand: Fn

Price History

Deal Details

FN America AR-15 5.56x45mm NATO 14.70in M4 Profile Carbine Length Gas System Black Phosphate Cold Hammer Forged Chrome Lined. After forging each barrel is Magnetic Particle tested to ensure that it is free of microstresses or flaws resulting in consistency and quality in every barrel shipped from the factory. The bore and chamber are chrome lined to help resist corrosion and provide resistance to heat erosion which greatly improves barrel life and reliable chambering / extraction. The M4 style f

Other Offers for This Product

Active offers from your catalog for FN Hammer Forged AR-15 Barrel 5.56x45mm NATO 14.7" M4 Contour 1:7" Twist Manganese Phosphate Carbine Length Gas Port.

View full product comparison