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Rosco Manufacturing K9
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Rosco Manufacturing

K9

$225.00
Available California compliant

Rosco Manufacturing K9 Barrel, Continuous Profile, 5.56 NATO, 16" Threaded Barrel, 1/2X28 Thread Pitch, 1:7 Barrel Twist, 416R Stainless Steel, Intermediate-Length Gas System, Fits AR15, Nitride Finish, Black, Includes Intermediate-Length Gas Tube K9-16-HY-556-7-I

Key Details
Brand Rosco Manufacturing
Manufacturer Part Number K9-16-HY-556-7-I
UPC 850039693298
SKU ROSK9-16-HY-556-7-I
Current Stock 22 available
Quantity Updated Jun 11, 2026 5:43 AM
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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

The K9 16" features an intermediate-length gas system with an optimized gas port for reliable operation whether suppressed or unsuppressed. The K9 continuous taper is the most effective profile for dissipating heat from heavy use. By shifting weight toward the back of the barrel, modern attachments on the front of the rifle help create a perfectly balanced and more manageable firearm. The updated target crown, carried over from the Purebred series, improves harmonics, fit, and finish.

Features
  • Intermediate-Length Gas System
  • Nitride Finish
  • Updated Target Crown
Specifications
UPC: 850039693298
Manufacturer: Rosco Manufacturing
Manufacturer Part #: K9-16-HY-556-7-I
Model: K9
Barrel Length: 16"
Finish: Melonite
Type: Barrel