CMMG Barrel 300 AAC Blackout 8" Nitride 1:7 Pistol Length Gas System 30D810A

Name: 30D810A / AR-15 Uppers / CMMG, Inc CMMG Barrel 300 AAC Blackout 8" Nitride 1:7 Pistol Length Gas System 30D810A
SKU: 11103129
Price: 190.7 USD
Availability: InStock

CMMG Barrel 300 AAC Blackout 8" Nitride 1:7 Pistol Length Gas System 30D810A

$190.70 USD

~~$223.58 USD~~ $190.70 USD

Sale Sold out

Shipping calculated at checkout.

Maker part number 30D810A

Product Type AR-15 Uppers

Maker CMMG, Inc

Barrel Sub-Assembly, 8" MC 4140CM SBN, 300 BLK

Barrel Sub-Assembly, 8.0" MT 4140CM SBN, 300 Black Out Specifications: - Length: 8.0", 1:7" Twist - Chamber: 300 BLK - Profile: Medium Tapered Profile - Material and Finish: 4140 CrMo, Salt Bath Nitride Finish - Muzzle Thread: 5/8"-24 TPI - Weight: 1.5 lbs - Gas Port Location: Pistol - Gas Block Size: .750"
Mfg FALSE: 30D810A
Maker: CMMG, Inc

Shipping Information
Weight: 1.05 pounds.
Dimensions: 9 (L) x 2 (W) x 2 (H) inches.:

189672

View full details

Western Gun Store Categories

Ammo for Sale – Rifle, Handgun & Shotgun Ammunition
Ammo – Western Gun Store Shop ammo for sale at Western Gun...

Ammo for Sale – Rifle, Handgun & Shotgun Ammunition
Western Gun Store: Shooter's Paradise!
At Western Gun Store, our Gun Section is built for true shooters—sportsmen,...

Western Gun Store: Shooter's Paradise!
Single Shot Guns for Sale – Rifles & Shotguns for Hunting & Precision
Single Shot Guns – Western Gun StoreIn a world full of rapid-fire...

Single Shot Guns for Sale – Rifles & Shotguns for Hunting & Precision
Shotguns for Sale – Hunting, Home Defense & Tactical Shotguns
Shotguns for Sale – Western Gun Store Browse our shotguns for sale...

Shotguns for Sale – Hunting, Home Defense & Tactical Shotguns
Lever-Action Rifles for Sale – Classic Hunting & Cowboy Rifles
Lever Action Guns: A Dive into Their History and Impact Lever Action...

Lever-Action Rifles for Sale – Classic Hunting & Cowboy Rifles
Revolvers for Sale – Single & Double Action Handguns
Revolver Collection – Western Gun Store Explore our revolver collection and find...

Revolvers for Sale – Single & Double Action Handguns

Educational Articles

View all

7 Mistakes You’re Making with Gunsmithing Tools...

June 2, 2026
The desert sun hangs low, casting long, amber shadows across the workbench. The air in the shop is thick, a heavy mix of cedar, stale coffee, and the sharp, metallic...

7 Mistakes You’re Making with Gunsmithing Tools...

June 2, 2026
The desert sun hangs low, casting long, amber shadows across the workbench. The air in the shop is thick, a heavy mix of cedar, stale coffee, and the sharp, metallic...
Why Quality Reloading Supplies Will Change the ...

June 1, 2026
The first light of dawn breaks over the high desert, casting long, amber shadows across the dusty trail. You’re at the range before the heat of the day takes hold....

Why Quality Reloading Supplies Will Change the ...

June 1, 2026
The first light of dawn breaks over the high desert, casting long, amber shadows across the dusty trail. You’re at the range before the heat of the day takes hold....
How to Choose the Best Reloading Press for Begi...

May 31, 2026
The desert sun hangs heavy over the horizon, casting long, jagged shadows across the mesa. You’re out on the range, the smell of spent gunpowder and dry sagebrush thick in...

How to Choose the Best Reloading Press for Begi...

May 31, 2026
The desert sun hangs heavy over the horizon, casting long, jagged shadows across the mesa. You’re out on the range, the smell of spent gunpowder and dry sagebrush thick in...

1 3

View all