Q Sugar Weasel SBR .300 AAC Blackout, 7-inch Barrel, 5/8x24 Threaded, DI AR-15, Two-Tone Tan/Gray
The Q Sugar Weasel SBR is a compact, AR-15–pattern .300 AAC Blackout built around a 7-inch, 1:5 twist barrel and a pistol-length gas system. It features a free-float M-LOK handguard with a continuous top Picatinny rail, a flat-top upper without a forward assist, and a 5/8x24 threaded muzzle. This is an NFA item and will require an ATF tax stamp registry.
Its two-tone finish pairs tan receivers and buffer tube with gray furniture, including an adjustable stock and a Reptilia CQG grip. The rifle uses standard AR-15 controls, includes a Q speech-bubble logo on the magwell, and ships without iron sights. Capacity is 30+1.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent - Sharp lands and grooves.
Specific Condition Notes: There are scratches and blemishes on the exterior surfaces. The finish on the brass deflector is not present.
What's Included
- Q factory cardboard box for Sugar Weasel SBR (labeled MD01717)
- 1x 30-round aluminum USGI-pattern AR-15 magazine
This factory SBR from Q is chambered in .300 AAC Blackout (7.62x35mm) and configured for compact performance with a 7-inch barrel and pistol-length gas system. The 1:5 twist rate and 5/8x24 threaded muzzle define its short-barrel setup.
The upper is a flat-top Picatinny design with a shell deflector and an ejection-port cover, and it omits the forward assist. The free-float aluminum M-LOK handguard offers modern accessory mounting along with a continuous top rail. No iron sights are included.
Controls are standard AR-15 pattern for familiar operation. The rifle is outfitted with a gray adjustable polymer stock, a gray Reptilia CQG grip, and a curved trigger shoe. Receiver material is aluminum.
Styling is distinct with a two-tone scheme: tan receivers and buffer tube contrasted by a gray handguard, grip, and stock, plus the Q speech-bubble logo on the magwell. Capacity is 30+1, and it is made in the USA.

