AR-15 K9 Bloodline Saucepack - K9 12.5" Bloodline Saucepack 5.56mm

All Rosco Manufacturing barrels
Rosco Manufacturing Ar-15 K9 Bloodline Saucepack - K9 12.5'''' Bloodline Saucepack 5.56mm - Barrel for AR-15 - view 1
Buy Now

Rosco Manufacturing

Overview

The Rosco Manufacturing K9 Bloodline Saucepack is a 12.5-inch barrel designed for 5.56 NATO caliber, providing a compact and versatile option for AR-15 builds. This barrel length strikes a balance between maneuverability and ballistic performance, making it an excellent choice for close-quarters shooting while still maintaining effective range. Builders often incorporate this barrel into short-barreled rifles or pistol configurations intended for tactical applications.

Specifications

MPNSP-K9-125-556-BCG-GTS-NGB-001
Caliber5.56 NATO
Barrel Length12.5

Available Merchants(3)

Prices checked

Price Alert

Get an email if the price drops 10% or more.
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$322
Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
In Stock
$338
Brownells logo
Brownells
Free shipping
Shipping Speed
Out of Stock
$284

Build history on GunPartPicker

Builders on GunPartPicker first added the Rosco Manufacturing AR-15 K9 Bloodline Saucepack - K9 12.5" Bloodline Saucepack 5.56mm to a build in April 2026.

It was hard to find in September 2026, in stock on only 13 of the 25 days we checked, and today 2 of the 3 retailers we track have it in stock. Prices barely moved in September 2026, holding around $283.50, so there haven't been real sales lately. Buying today, the lowest price is $322.20 at Optics Planet, above September's low of $283.50, so a better deal may come back.

Trending barrels →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which barrel to pick?

We ranked every barrel by how often it shows up in real builds on GunPartPicker.

Read the guide: AR-15 Barrel Length & Brand Report →

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!