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AR-15/M16 300 BLK S2W Hammer Forged Barrels - 10.3" S2W 300 BLK Barrel, 1-8 Twist

AR-15/M16 300 BLK S2W Hammer Forged Barrels - 10.3" S2W 300 BLK Barrel, 1-8 Twist

Daniel Defense · Barrels

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Best price

$323.49at Ammunition Depot

In stock checked Oct 1, 2026

Compare 3 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Ammunition Depot Best price $323.49checked Oct 1, 2026 In stock Buy at Ammunition Depot
Brownells $348.00checked Oct 1, 2026 In stock Buy at Brownells
Battlehawk Armory $301.94Salechecked Oct 1, 2026 Check store Buy at Battlehawk Armory

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: $323.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table
StoreLatestLowestHighest
Ammunition Depot$323.49$323.49$323.49
Battlehawk Armory$301.94$301.94$301.94
Brownells$348.00$348.00$348.00

Since Sep 27, 2026.

About this part

The AR-15/M16 300 BLK S2W Hammer Forged Barrels - 10.3" S2W 300 BLK Barrel, 1-8 Twist is a 10.3" 300 Blackout barrel from Daniel Defense. It's sold by 3 stores (2 in stock), from $301.94 to $348.00. The lowest in-stock price in the last 30 days was $323.49 at Ammunition Depot.

Fits and works with

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

Specifications

Manufacturer
Daniel Defense
Color
Black
Platform
AR-15
Caliber
300 Blackout
Barrel length
10.3"

From the manufacturer

These barrels are cold hammer-forged from high-grade chromium-molybdenum-vanadium alloy steel for exceptional strength and accuracy potential-like a high-end match rifle barrel. Magnetic particle inspection (MPI) ensures there are no internal flaws in the metal. Durable manganese phosphate finish give excellent resistance to surface wear. Barrel extension has M4-type feed ramps. Choose caliber, profile, length, and gas block/sight base option to fit your needs. Strength 2 Weight 300 Blackout barrels features a 1-8 twist, and have a heavier profile, that tapers down towards the muzzle. This profile provides superior strength and rigidity. OD at gas block is .750". Mfg: Daniel Defense

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$323.49 at Ammunition Depot
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