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Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16
Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16
Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16
Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16

Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16

Faxon Firearms · Barrels

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Best price

$170.20at Brownells

In stock Lowest in 30 dayschecked Nov 10, 2026

Buy at Brownells

Compare 11 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Brownells Best price $170.20checked Nov 10, 2026 In stock Buy at Brownells
OpticsPlanet $173.00Salechecked Nov 10, 2026 In stock Buy at OpticsPlanet
MidwayUSA $173.00checked Nov 10, 2026 In stock Buy at MidwayUSA
GunMag Warehouse $173.99checked Nov 10, 2026 In stock Buy at GunMag Warehouse
Ammunition Depot $186.99checked Nov 10, 2026 In stock Buy at Ammunition Depot
Battlehawk Armory $141.48Salechecked Nov 10, 2026 Check store Buy at Battlehawk Armory
AR15Discounts $149.95Salechecked Nov 10, 2026 Check store Buy at AR15Discounts
Palmetto State Armory $170.99Salechecked Nov 10, 2026 Check store Buy at Palmetto State Armory
Dirty Bird $173.00checked Nov 10, 2026 Check store Buy at Dirty Bird
Faxon Firearms $175.00checked Nov 10, 2026 Check store Buy at Faxon Firearms
Rainier Arms Check priceprice on the store's site Check store Buy at Rainier Arms

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: $170.20 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$149.95$149.95$149.95
Ammunition Depot$186.99$173.00$186.99
Battlehawk Armory$141.48$141.48$145.86
Brownells$170.20$170.20$170.20
Dirty Bird$173.00$173.00$173.00
Faxon Firearms$175.00$175.00$175.00
GunMag Warehouse$173.99$173.99$173.99
MidwayUSA$173.00$173.00$173.00
OpticsPlanet$173.00$164.35$173.00
Palmetto State Armory$170.99$170.99$170.99

Since Sep 27, 2026.

About this part

The Faxon Firearms AR-15 5.56 NATO Pencil Barrel QPQ - 16 is a 16" 5.56 / .223 barrel from Faxon Firearms with a mid-length gas system. It's sold by 10 stores (5 in stock), from $141.48 to $186.99. The lowest in-stock price in the last 30 days was $170.20 at Brownells.

Fits and works with

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

Specifications

Manufacturer
Faxon Firearms
Platform
AR-15
Caliber
5.56 mm NATO
Gas system
Mid
Barrel length
16"
Finish
Black

From the manufacturer


Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are button-rifled and air-guage tested to ensure superior accuracy.
All barrels are manufactured under our ISO:9001 and AS:9100 (pending) quality certifications. We inspect each barrel over 15 times before it ever reaches you.

Barrel Material: 4150 CMV Steel
Barrel Type: Button Rifled 
Barrel Caliber: 5.56
Barrel Twist: 1:8
Barrel Length: 16”
Barrel Profile: Pencil
Barrel Gas System: Mid
Inside Finish: QPQ Nitride
Outside Finish: QPQ Nitride
Muzzle Thread: 1/2-28 TPI (Threads Per Inch) 
Gas Block Diameter: .625" 
Gas Port Diameter: .078
Barrel Extension: M4 
Weight: 1.19 lbs
Magnetic Particle Inspected!
11-degree Target Crown

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$170.20 at Brownells
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