Description
Short cans have taken over the AR world for good reason, and the Maxim Defense DS-K HQD is one of the better arguments for the trend. At just 6 inches long and around 18 ounces, it keeps your rifle handy and balanced instead of turning it into a boat oar. Maxim built this one on their M-Kore technology with a 17-4 stainless steel core wrapped in a Grade-5 titanium tube, which is why a can this compact still carries a full-auto rating on barrels 10.3 inches and longer.
Why the DS-K HQD Quick Detach Setup Works
The HQD system is the star here. The suppressor rides on a HUB-compatible quick-detach interface and ships with Maxim's QD A2-style flash hider, so you thread the mount on your barrel once and then the can spins on and off in seconds with no tools and no fuss. There is no secondary retention ring to fiddle with either, which keeps the whole process simple when you are swapping the can between hosts or pulling it for transport. The A2-style flash hider requires no timing, so installation is about as painless as it gets, and since it runs on the industry-standard HUB pattern you have plenty of mounting options down the road.
Built Like the Rest of the Maxim DS Series
The DS-K is the compact member of Maxim's DS family, and it inherits the traits that made the bigger cans popular. The core design runs low gas blowback and keeps the bump in cyclic rate modest, so your rifle stays cleaner and gentler on parts than it would behind a lot of traditional baffle stacks. Integrated carbon cutters in the core make tube cleaning easier when maintenance day rolls around, and the whole thing is made in the USA.
Who the DS-K HQD 5.56 Fits Best
This can makes a lot of sense on carbines and mid-length ARs where overall length matters. Hunters who hate hiking with a long rifle, competitors who need to move fast between stages, and anyone running a truck or duty gun will appreciate how little this suppressor asks in exchange for taking the bark out of 5.56.
Key Specifications
- Manufacturer: Maxim Defense Industries
- Manufacturer Part Number: MXM48085
- UPC: 680017480851
- Caliber: .223 Rem / 5.56 NATO
- Overall Length: 6 in
- Outer Diameter: 1.75 in
- Weight: 18 oz
- Tube Material: Grade-5 Titanium
- Core Material: 17-4 Stainless Steel
- Mounting System: HUB-Compatible Quick Detach (HQD)
- Included Mount: QD A2-Style Flash Hider
- Minimum Barrel Length: 10.3 in
- Full-Auto Rated: Yes (barrels 10.3 in and longer)
- Finish: Black
- Country of Origin: USA
What’s Included
- Maxim Defense DS-K HQD 5.56 suppressor
- QD A2-style flash hider (HUB-compatible mount)
Frequently Asked Questions
Does the Maxim DS-K HQD come with a mount, or do I need to buy one separately?
It ships with Maxim's QD A2-style flash hider, so you have everything you need to get running on a standard 1/2×28 threaded 5.56 barrel. The flash hider requires no timing during install, and Maxim recommends torquing it to 25 to 30 ft-lbs. Since the suppressor uses the HUB pattern, you can also run other HUB-compatible mounts if you want more options later.
Is the DS-K HQD full-auto rated?
Yes. Thanks to its 17-4 stainless steel core and Grade-5 titanium tube built on Maxim's M-Kore technology, the DS-K HQD carries a full-auto rating on barrels 10.3 inches and longer. If you need a can for barrels shorter than that, look at Maxim's DSX series, which is rated down to 5.5 inch barrels.
How does the quick-detach system work on the DS-K HQD?
The flash hider stays torqued on your muzzle, and the suppressor threads on and off over it in seconds with no tools required. There is no secondary retention ring to mess with, which keeps attachment and removal fast and repeatable. It makes swapping the can between multiple rifles or pulling it for storage genuinely easy.
Will a 6 inch can like the DS-K HQD add much gas blowback to my AR?
Less than you might expect. Maxim's core design is engineered specifically to keep gas blowback low and minimize the gain in cyclic rate compared to traditional baffle designs, so your rifle runs cleaner and softer than it would behind many older-style suppressors. The core also has integrated carbon cutters that make cleaning the tube a simpler job.





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