Q LLC ACC-MINIFIXBARREL300BL Mini Fix 300 Blackout 8" Stainless Steel

The Q LLC Mini Fix 300 Blackout 8" stainless steel barrel is a drop-in replacement barrel for shooters running the Q Mini Fix platform who want to add 300 Blackout capability to their arsenal. Whether you're building a subsonic suppressed rig, a short-range hunting gun, or a compact range toy, this barrel swap gives you quick caliber versatility without needing a different firearm. The 8-inch length keeps the overall package compact and handy—ideal for close-quarters work, hunting thick cover, or just enjoying the unique ballistics of the 300 Blackout cartridge.

Stainless steel construction delivers corrosion resistance and longevity, even in field conditions where you're not babying your gear. For owners of the Mini Fix platform, a quick-change barrel system means you can adapt to the mission: swap to 300 Blackout for subsonic versatility, then back to your primary caliber in minutes without gunsmithing or special tools.

This is a genuine Q accessory, engineered to Mini Fix tolerances and designed to perform as part of Q's modular platform. If you're already invested in a Mini Fix and want to expand its role without buying another gun, a dedicated 300 Blackout barrel is a practical, cost-effective move.

Key Features

• 8-inch barrel length for compact handling and velocity optimization in 300 Blackout
• Stainless steel construction for durability and corrosion resistance
• Purpose-built for Q Mini Fix platform quick-change compatibility
• Enables subsonic and supersonic 300 Blackout shooting in a modular system

Specifications

Frequently Asked Questions

Is this barrel compatible with my Mini Fix?

Yes, this barrel is engineered for the Q Mini Fix platform and uses Q's quick-change barrel system for that platform.

What's the velocity difference with an 8-inch barrel in 300 Blackout?

We don't have velocity data for this specific barrel. Consult ballistics resources or Q's technical documentation for performance figures with your chosen ammunition.

Can I use this barrel with a suppressor?

300 Blackout is commonly used with suppressors, especially for subsonic loads. Verify your suppressor's compatibility with your Mini Fix platform and ensure proper mounting on this barrel.

What's included—just the barrel?

This is a barrel only. Confirm with Q documentation whether any additional components (springs, pins, or headspace tools) are required for installation on your Mini Fix.