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Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Faxon Firearms · Barrels

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Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Best price

$223.00at OpticsPlanet

In stock Sale Lowest in 30 dayschecked Nov 13, 2026

Buy at OpticsPlanet

Compare 9 stores

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length
16" · Handguards

Specifications

Manufacturer
Faxon Firearms
Color
Black
Platform
AR-15
Caliber
5.56 mm NATO
Barrel length
16"
Weight
19.52 oz

Where to buy

StorePriceAvailabilityBuyAdd to build
OpticsPlanet Best price $223.00Salechecked Nov 13, 2026 In stock Buy at OpticsPlanet
Ammunition Depot $223.00checked Nov 13, 2026 In stock Buy at Ammunition Depot
GunMag Warehouse $223.99checked Nov 13, 2026 In stock Buy at GunMag Warehouse
Battlehawk Armory $168.95Salechecked Nov 7, 2026 Check store Buy at Battlehawk Armory
GrabAGun $179.99Salechecked Nov 12, 2026 Check store Buy at GrabAGun
Palmetto State Armory $214.99Salechecked Nov 13, 2026 Check store Buy at Palmetto State Armory
AR15Discounts 5% off $223.00checked Nov 13, 2026 Check store Buy at AR15Discounts
Dirty Bird $223.00checked Nov 13, 2026 Check store Buy at Dirty Bird
Classic Firearms $223.00checked Nov 13, 2026 Check store Buy at Classic Firearms

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $223.00 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$223.00$223.00$223.00
Ammunition Depot$223.00$223.00$223.00
Battlehawk Armory—$161.20$168.95
Classic Firearms$223.00$223.00$223.00
Dirty Bird$223.00$223.00$223.00
GrabAGun$179.99$179.99$179.99
GunMag Warehouse$223.99$223.99$223.99
OpticsPlanet$223.00$223.00$223.00
Palmetto State Armory$214.99$214.99$214.99

Since Sep 28, 2026.

About this part

The Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black is a 16" 5.56 / .223 barrel from Faxon Firearms. It's sold by 9 stores (3 in stock), from $168.95 to $223.99. The lowest in-stock price in the last 30 days was $223.00 at Ammunition Depot.

From the manufacturer

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

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$223.00 at OpticsPlanet
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