In StockSave 7%
FN America Ar-15 5.56x45mm NATO 18 in Button Rifled M16 Profile Rifle Gas System Length Rifled Barrel Oal M16
Sold byOptics Planet•Posted Apr 27, 2026
Compare prices for FN AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate$279.00
$299.00
You save $20.00 (7% off)
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- UPC: 845737008468
- SKU: 57D-ATB-FNH-20-100042
- Brand: Fn
Price History
Deal Details
FN America Ar-15 5.56x45mm NATO 18 in Button Rifled M16 Profile Rifle Gas System Length Rifled Barrel Oal M16. Install this Fn America Ar15 Barrel on your M16 or AR-15 rifle to ensure a reliable feeding experience with every shot. These Rifle Barrels by FN America are chrome-lined to improve your barrel's corrosion resistance and heat-erosion resistance ensuring an overall increase in barrel life. The Fn America 18in BB M16 Rifle Barrel has M4 style feed ramps and extension to ensure consistent
Other Offers for This Product
Active offers from your catalog for FN AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate.
Comparing 7 retailers carrying this product
Lowest Price: $231.99
Highest Price: $279.99
You Save: $48.00
Avg Discount: 5% off
FN AR-15 18 Chrome-Lined Manganese Phosphate Barrel
FnAmmunition DepotSKU/UPC: 20-100042
$231.99
View at Ammunition Depot
FN BBL M16 BB 18 RIFLE LENGTH 556
FnBattleHawk ArmorySKU/UPC: 845737008468
$252.00$299.00Save 16%
View at BattleHawk ArmoryFN America Ar-15 5.56x45mm NATO 18 in Button Rifled M16 Profile Rifle Gas System Length Rifled Barrel Oal M16
Fn AmericaOptics PlanetSKU/UPC: 57D-ATB-FNH-20-100042
$279.00$299.00Save 7%
View at Optics Planet
FN 20100042 AR-15 5.56x45mm NATO 18 in Button d M16 Profile Length Gas System, Black Cold Hammer Forged Chrome Lined, Rifle Barrel
Fn HerstalHinterland OutfittersSKU/UPC: 177036
$279.00
View at Hinterland Outfitters
FN AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate
FnMidwayUSASKU/UPC: 691651
$279.00
View at MidwayUSA
Ar-15/M16 Button Rifled Barrels - Ar-15 M16 Barrel 18 Rifle Length 5.56mm
Fn AmericaBrownellsSKU/UPC: 100055416
$279.00
View at Brownells
FN America AR-15 18" Barrel 1:7 Twist Button Broached, Black - 20100042
FnhPalmetto State ArmorySKU/UPC: 516551629467
$279.99$310.99Save 10%
View at Palmetto State Armory