SKU: LSHB03WJ2A |  Mfg. Part: BL-16-M4-556-7-C  | UPC: 181969500067  | 
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Rosco BL-16-M4-556-7-C Rosco Bloodline 16" M4 5.56 Nato Ar Barrel

Out of Stock
Condition: New

$163.74  $221.05
Rosco Manufacturing ROSCO MANUFACTURING
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The Rosco 16" M4 5.56 NATO Bloodline Barrel is tailored for enhancing any SBR or pistol build. Designed with modern carbine shooters in mind, this barrel combines advanced engineering to meet today's demanding specifications.

With a focus on factors like dwell times for SBRs, suppressor compatibility, and a balanced patrol carbine setup, we've incorporated essential features into our design. Our approach emphasizes the correct twist rates, gas port diameters, and barrel materials specific to each barrel model. By integrating feedback from consumers and military professionals, Rosco ensures that you receive a product that meets your needs effectively.

Specifications include a barrel length of 16 inches, constructed from durable 4150 CMV material, featuring a government model profile, a twist rate of 1 to 7, and a gas block size of .750. The barrel thread is 1/2 x 28, and it operates with a carbine gas system.


  • Barrel Length: 16 inches
  • Material: 4150 CMV
  • Caliber: 5.56 NATO
  • Profile: Government model
  • Twist Rate: 1:7
  • Gas Block Size: .750
  • Barrel Thread: 1/2 x 28
  • Gas System Length: Carbine
  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
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  • Rosco Manufacturing
  • BL-16-M4-556-7-C
  • New
  • 2.48 lbs
  • 20 X 2 X 3
  • Jul 18, 2025
  • Jul 08, 2022

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Rosco BL-16-M4-556-7-C Rosco Bloodline 16" M4 5.56 Nato Ar Barrel

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