M4cqb Replacement Barrel Assembly 10.3in
$298.49 at Ammunition Depot · 5 stores
In stock
Best price
$300.35at MidwayUSA
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $300.35Salechecked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| OpticsPlanet | $297.99Salechecked Oct 1, 2026 | Out of stock | Buy at OpticsPlanet | |
| Brownells | $313.49checked Oct 1, 2026 | Out of stock | Buy at Brownells |
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: $297.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $313.49 | $313.49 | $313.49 |
| MidwayUSA | $300.35 | $300.35 | $300.35 |
| OpticsPlanet | $297.99 | $297.99 | $297.99 |
Since Sep 28, 2026.
About this part
The Chrome Lined Barrel 223 Wylde 14.5" 1-8 Mid-Length Black is a 14.5" 5.56 / .223 barrel from Criterion Barrels with a mid-length gas system. It's sold by 3 stores (1 in stock), from $297.99 to $313.49. The lowest in-stock price in the last 30 days was $297.99 at OpticsPlanet.
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
- 14.5" · Handguards
Specifications
- Manufacturer
- Criterion Barrels
- Color
- Black
- Platform
- AR-15
- Caliber
- .223 Wylde
- Gas system
- Mid
- Barrel length
- 14.5"
From the manufacturer
Chrome-lined, button rifled barrels feature 223 Wylde chambers and 1-8" twist for enhanced accuracy potential with both .223 and 5.56 NATO ammunition. Unique chrome-lining process maintains uniformity throughout the bore and hand-lapping helps ensure smooth, consistent lands and grooves. Gas ports are optimized for barrel length and chambering to help ensure reliable cycling, and are available for carbine, mid-length, and rifle gas systems. Also features 1/2"-28 tpi muzzle threads for standard comps and flash hiders, plus M4 feed ramps on barrel extension to aid in smooth, reliable feeding. Barrels now feature a dimple opposite the gas port, so screw-on gas blocks do not shift d Mfg: Criterion Barrels Inc SPECS: Length - 16, 18, or 20 inch. Profile - Hybrid or HBAR (18" & 20" only). Gas system - Carbine or Mid-Length (16"). Rifle (18" & 20"). Chamber - 223 Wylde. Finish - Parkerized. Chrome lined. Construction - 4150 Chrome Moly Steel. Hand L
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