Ballistic Advantage Modern Series .308 AR Rifle Barrel 18in MSARB38
$149.99 at OpticsPlanet · 4 stores
In stock Sale
CMMG Inc Barrel Sub-Assembly Mediun Taper Profile 308 Win 12.5in 416SS Salt Bath Nitride
No ratings yetBest price
$149.99at Brownells
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Ballistic Advantage Modern Series .308 AR Rifle Barrel 18in MSA… $149.99at OpticsPlanet
- Ballistic Advantage Mid Tac Gov Premium Series.308 AR Barrel Gr… $149.49at OpticsPlanet
- APF Armory AR-10 .308 WinchesterThreaded Barrel 16in 1-10 Twist… $168.56at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $149.99Salechecked Oct 22, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $229.99Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
Ballistic Advantage Mid Tac Gov Premium Series.308 AR Barrel Gray 18 in
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Rainier Arms Select 7.62x51 NATO Barrel 16in 1-8 Twist 5/8x24 Black Medium
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Price history
Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $149.99 | $149.99 | $149.99 |
| OpticsPlanet | $229.99 | $229.99 | $229.99 |
Since Oct 17, 2026.
About this part
The CMMG Inc Barrel Sub-Assembly Mediun Taper Profile 308 Win 12.5in 416SS Salt Bath Nitride is a 12.5" .308 / 7.62x51 barrel from CMMG. It's sold by 2 stores, from $149.99 to $229.99.
Fits and works with
- Caliber
- .308 / 7.62x51 · Shop matching ammo
- Bolt
- AR-10 (.308 / 6.5 CM) · Bolt carrier groups
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 12.5" · Handguards
Specifications
- Manufacturer
- CMMG
- Platform
- AR-10
- Caliber
- .308 / 7.62
- Barrel length
- 12.5"
- Thread pattern
- 5/8 x 24
From the manufacturer
CMMG Inc Barrel Sub-Assembly Mediun Taper Profile 308 Win 12.5in 416SS Salt Bath Nitride. CMMG constructed these Rifle Barrels with a properly installed barrel extension so that you can save even more time by avoiding the extra hassle of installing a barrel after the fact. This CMMG 308 Rifle Barrel Sub-Assembly comes headspaced for a reliable build and the 5/8x24 threads allow for the installation of a variety of accessories you may need down the road. Make sure you pick up a CMMG 308 Barrel Sub-Assembly w/ Extension if you're looking to build your own MK3 upper group. Specifications for CMMG Inc 308 Win Barrel Sub-Assembly: Manufacturer: CMMG Caliber: .308 Winchester Barrel Twist Rate: 1-10 Flutes: No Gun Model: AR-10 Condition: New Firearms Threads Per Inch: 5/8x24 Package Contents: CMMG Inc 308 Win Barrel Sub-Assembly What firearm models does the manufacturer say CMMG Inc 308 Win Barrel Sub-Assembly is compatible with? The manufacturer says that CMMG Inc 308 Win Barrel Sub-Assembly is compatible with AR-10CMMG Inc CMM MK3 Medium Taper Profile Barrel Sub-Assembly 416SS .308 Winchester 12.5 Inch 5/8-24 Threads Salt Bath Nitride Finish
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