Q LLC Sugar Weasel Upper – .300 AAC Blackout, 13-inch Threaded

Designed as a direct replacement upper for the Q LLC Sugar Weasel platform, this assembly is configured for .300 AAC Blackout. It features a 13-inch, 5/8-24 threaded, tapered barrel with a 1:6 rate of twist and a pistol-length gas system. An adjustable gas block is fitted and the upper ships with a bolt carrier group.

Key Specifications

• The caliber is .300 AAC Blackout.
• The barrel measures 13 inches.
• The barrel threads are 5/8-24.
• The barrel profile is tapered.
• The rate of twist is 1:6.
• The gas system is a pistol-length configuration.
• An adjustable gas block is installed.
• A bolt carrier group (BCG) is included with the upper.

With compact dimensions and an adjustable gas system, this upper provides a practical option for short-barrel .300 AAC Blackout builds where controllability and compatibility with suppressed or unsuppressed setups are priorities. Its threaded, tapered barrel and included BCG make it a ready-to-integrate component for a variety of modern sporting rifle projects.