M4cqb Replacement Barrel Assembly 10.3in
$298.49 at Ammunition Depot · 5 stores
In stock
Best price
$249.99at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- M4cqb Replacement Barrel Assembly 10.3in $298.49at Ammunition Depot
- Recon Barrel 5.56 18 Fluted Rifle Gas Stainless 1-8 $249.92at MidwayUSA
- Recon Barrel 5.56 16in Fluted Intermediate Gas $249.92at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $249.99checked Oct 22, 2026 | Out of stock | Buy at Brownells | |
| MidwayUSA | $268.99checked Oct 22, 2026 | Out of stock | Buy at MidwayUSA |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar barrels in stock
This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
Recon Barrel 5.56 18 Fluted Rifle Gas Stainless 1-8
$249.92 at MidwayUSA · 7 stores
In stock Sale
Recon Barrel 5.56 16in Fluted Intermediate Gas
$249.92 at MidwayUSA · 7 stores
In stock Sale
APF Armory AR-15 5.56 NATO Threaded Barrel 16in 1-7 Twist 1/2x28 Black
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Ballistic Advantage Premium Series Rifle Barrel AR-15 .223 Wylde 17.7 in Hanson Barrel .750 in Mid Length 1/2x28 Bead Blasted Gray
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Faxon Firearms Match Gunner 5R Rifled Barrel .223 Wylde 16"
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Price history
Lowest in-stock price in the last 30 days: $268.99 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $249.99 | $249.99 | $249.99 |
| MidwayUSA | $268.99 | $268.99 | $268.99 |
Since Sep 28, 2026.
About this part
The M16 Replacement Barrel Stripped 20in is a 2E+1" 5.56 / .223 barrel from Colt with a carbine gas system. It's sold by 2 stores, from $249.99 to $268.99. The lowest in-stock price in the last 30 days was $268.99 at MidwayUSA.
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
- Carbine · Handguards
- Barrel length
- 2E+1" · Handguards
Specifications
- Manufacturer
- Colt
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Gas system
- Carbine
- Barrel length
- 20"
- Twist rate
- 1:7
From the manufacturer
Of all the AR-15s on the market, probably none is more recognizable than those based on the iconic M16 rifle, originally produced by Colt. Now, the company is offering the same barrel profile as its original M16 design, giving builders a new barrel option and providing owners with an OEM replacement for their worn-out rifles. Each Colt M16 Barrel, chambered in 5.56 NATO, features six-groove rifling with a 1:7-inch rate of twist. The barrels include M4-style feed ramps and have a chrome lining that prevents corrosion. Each barrel is set up for a carbine-length gas system and features 1/2""-28 TPI threading at the muzzle. Colt's LE6933 AR-15 Barrels are produced in 2 Mfg: Colt
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