The Q LLC Mini Fix Barrel in 5.56mm, 16 inches (brand part no. ACCMINIFIXBARREL5.5616), is a stainless steel barrel built for Q’s Mini Fix platform, a compact fixed-stock AR-pattern rifle. Q LLC machines this barrel specifically to Mini Fix specifications, giving owners a genuine replacement or spare barrel option for the platform rather than a generic AR-15 barrel that may not match the Mini Fix’s exact dimensions. The 1:7 twist rate handles the full range of common 5.56mm bullet weights, from lighter varmint loads to heavier match bullets.

Key Specifications

• Chambered in 5.56mm, running both 5.56 NATO and .223 Remington ammunition.
• Cut to a 16 inch length, matched to the Mini Fix platform.
• Rifled with a 1:7 twist rate, stabilizing a wide range of 5.56mm bullet weights.
• Machined from stainless steel for corrosion resistance and accuracy.
• Built specifically for the Q Mini Fix platform.

Frequently Asked Questions

What platform does this barrel fit? It’s built specifically for Q’s Mini Fix platform.

What twist rate does this barrel use? It’s rifled with a 1:7 twist rate, stabilizing a wide range of 5.56mm bullet weights.

Buy the Q LLC Mini Fix Barrel

Mini Fix owners looking for a genuine spare or replacement barrel matched to the platform’s exact specifications will get a direct fit here. Order it through our Lubbock, Texas gun shop and browse more rifle barrels from Q LLC and other trusted brands.