The Q Sugar Weasel 13-inch .300 Blackout replacement upper (brand part no. ACC-SW-300-13IN-UPPER) delivers accuracy, lightweight strength and reliable suppressed performance. It is built to get the most out of the cartridge, short enough to stay compact and long enough to keep things running as they should. Q LLC sets it up to perform whether you run subsonic, supersonic or both. It comes assembled, aligned and ready to drop onto your lower, so you can skip the parts pile.

Key Specifications

• The caliber is .300 BLK, the cartridge this upper is built around.
• The barrel length is 13 inches, short enough to stay compact and long enough to run well.
• It comes assembled, aligned and ready to drop onto your lower, with no parts pile to sort.
• It runs subsonic and supersonic loads without the hassle.
• The build is compact, light and balanced, which keeps the rifle easy to handle.
• The platform is the Sugar Weasel, so this is a replacement upper for that Q rifle.

Frequently Asked Questions

What caliber and barrel length is this upper? It is a .300 BLK upper with a 13-inch barrel.

Is it ready to install? Yes. Q says it comes assembled, aligned and ready to drop onto your lower.

Does it run subsonic and supersonic ammunition? Yes. Q says it is set up to perform with subs, supers or both.

Buy the Q Sugar Weasel Replacement Upper, .300 Blackout, 13-Inch

A 13-inch .300 BLK upper that arrives ready to run is the fastest route to a compact suppressed rifle. Order it with our other AR-15 uppers from our Lubbock, Texas gun shop for fast direct shipping.