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Rosco Manufacturing
M4
$179.00
Available
Rosco Manufacturing Bloodline Barrel, M4 Profile, 5.56 NATO, 14.5" Threaded Barrel, 1/2X28 Thread Pitch, 1:7 Barrel Twist, 4150 CMV, Mid-Length Gas System, Fits AR15, Nitride Finish, Black BL-145-GVT-556-7-M
Key Details
Brand
Rosco Manufacturing
Manufacturer Part Number
BL-145-GVT-556-7-M
UPC
181969500050
SKU
ROSBL-145-GVT-556-7-M
Current Stock
8 available
Quantity Updated
Apr 26, 2026 1:05 PM
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Purchase Requirements
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
This 14.5" M4 5.56 NATO Mid-Length barrel was built based on the USASOC specs for an Improved Upper Receiver Group, with a touch of Rosco influence. The longer gas system provides a smoother gas flow, resulting in controlled dwell times. This setup offers an excellent balance of speed and performance.
Features
- 14.5, Mid-Length Gas System"
- 1/2X28 Muzzle Threading
- 1:7 Twist
- 4150 CMV Construction
- Nitride Finish
Specifications
UPC:
181969500050
Manufacturer:
Rosco Manufacturing
Manufacturer Part #:
BL-145-GVT-556-7-M
Model:
M4
Barrel Length:
14.5"
Finish:
Nitride
Type:
Barrel
