CMMG 16.1" .300 BLK AR-15 Barrel Assembly with 4140CM Steel Construction and SBN Finish
- Item Number: 30D120A
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- Condition: NEW
$197.99
$224.95
Product Description
This 16.1-inch .300 BLK barrel assembly is designed for custom AR-15 upper builds and comes with a properly installed M4 barrel extension. The barrel is manufactured from 4140CM steel and features a Salt Bath Nitride (SBN) finish for durability. It is properly headspaced and utilizes a medium taper contour with a 1:7 twist rate, making it suitable for a variety of .300 BLK loads.
Product Features
- Designed for custom AR-15 upper receiver builds.
- Chambered in .300 BLK.
- 16.1-inch barrel length.
- 4140CM steel barrel construction.
- Salt Bath Nitride (SBN) finish.
- Properly installed M4 barrel extension.
- Properly headspaced assembly.
- 1:7 twist rate.
- Medium taper (MT) barrel contour.
- 5/8x24 threaded muzzle.
- Carbine-length gas system.
- .750-inch gas block journal.
Product Specifications
- Manufacturer: CMMG
- Model: Barrel Sub-Assembly
- Caliber: .300 BLK
- Barrel Length: 16.1 in.
- Barrel Twist: 1:7
- Barrel Contour: MT
- Barrel Material: 4140CM Steel
- Muzzle Thread: 5/8x24
- Gas Port Location: Carbine
- Gas Block Diameter: .750 in.
- Finish: SBN (Salt Bath Nitride)
- Weight: 1.5 lbs.
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