Stripped Brn-4 5.56x45 13.7" Medium Chrome Lined Barrel, Phosphate
$279.99 at Brownells
In stock Sale
Chrome Lined Government Brn AR-15 5.56 Mk18 Barrel Group 10.3" 1-7 Twist,Carbine Gas
No ratings yetBest price
$299.99at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- Stripped Brn-4 5.56x45 13.7" Medium Chrome Lined Barrel, Phosph… $279.99at Brownells
- Stripped Brn-4 5.56x45 14.5" Medium Chrome Lined Barrel Phospha… $279.99at Brownells
- AR-15 18" Barrel Urban Super Sniper Fluted Threaded 1-8 Tw $299.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $299.99checked Oct 22, 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.
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.
Stripped Brn-4 5.56x45 14.5" Medium Chrome Lined Barrel Phosphate
$279.99 at Brownells
In stock Sale
AR-15 18" Barrel Urban Super Sniper Fluted Threaded 1-8 Tw
$299.99 at OpticsPlanet · 5 stores
In stock Sale
M4cqb Replacement Barrel Assembly 10.3in
$298.49 at Ammunition Depot · 5 stores
In stock
AR-15/M16 223 Wylde Chrome Lined Barrels - 20" Hybrid Contour, Rifle Gas System, 223 Wylde
$297.99 at OpticsPlanet · 3 stores
In stock Sale
Chrome Lined Barrel .223 Wylde 10.5" 1-8 Carbine Length Black
$297.99 at OpticsPlanet · 3 stores
In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $299.99 | $299.99 | $299.99 |
Since Sep 28, 2026.
About this part
The Chrome Lined Government Brn AR-15 5.56 Mk18 Barrel Group 10.3" 1-7 Twist,Carbine Gas is a 10.3" 5.56 / .223 barrel from Brownells with a carbine gas system. One store lists it, Brownells at $299.99.
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
- 10.3" · Handguards
Specifications
- Manufacturer
- Brownells
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Gas system
- Carbine
- Barrel length
- 10.3"
From the manufacturer
Brownells Government Barrel Assemblies - Chrome Lined and Individually Inspected The Brownells Government Barrel Assemblies are manufactured by a US Government Contractor for M4 barrels, and held to exacting standards. These barrels all feature a hard chrome bore, applied over button rifling. Each barrel is High Pressure Tested, followed by Magnetic Particle Inspection & Gauging to ensure there are absolutely zero imperfections. Assemblies are as ready-to-install as possible, with slip ring assembly, F-Marked front sight base and handguard cap pre-installed. Handguard caps are appropriate for the barrel length, with M4 Carbine assemblies featuring a round cap, and the rifle Mfg: Brownells
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.