In StockSave 10%
Type
parts
Last Seen
May 19, 2026
FN America AR-15 18" Barrel 1:7 Twist Button Broached, Black - 20100042
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for FN AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate$279.99
$310.99
You save $31.00 (10% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 845737008468
- SKU: 516551629467
- Brand: Fn
Price History
Deal Details
FN AR15 premium button rifled barrels are are manufactured using U.S. sourced Chrome Moly Venadium material per Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure that it is free of micro-stresses 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
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
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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
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FN 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%
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Ar-15/M16 Button Rifled Barrels - Ar-15 M16 Barrel 18 Rifle Length 5.56mm
Fn AmericaBrownellsSKU/UPC: 100055416
$279.00
View at BrownellsFN 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