Description
The HK 81000482 SP5K PDW 9mm Luger caliber with 5.83" barrel, 10+1 capacity, black metal finish, no stock (sling mount), black polymer grip right hand is the semi-automatic civilian version of the legendary MP5K close-quarters weapon. It uses a roller-delayed blowback operating system, delivering the accuracy, reliability, and smooth shooting dynamic that made the MP5 a worldwide standard.
| Manufacturer | Heckler & Koch |
|---|---|
| Model | SP5K-PDW |
| Material | Black metal finish, black polymer grip |
| Compatibility | 9mm Luger ammunition, standard HK SP5K magazines |
| Finish | Black metal (per manufacturer specs) |
| Weight | Approximately 4.8 lbs (empty, per HK specs) |
| Condition | New |
Key Features
- Roller-Delayed Blowback System – This system reduces felt recoil and keeps the bolt locked until chamber pressure drops, which means tighter groups and less muzzle rise during rapid fire.
- 5.83" Cold Hammer Forged Barrel – HK’s cold hammer forging process creates a barrel that resists wear and holds accuracy longer than button-rifled barrels, giving you consistent shot placement over thousands of rounds.
- 10+1 Capacity with Sling Mount – The 10-round magazine meets compliance requirements while the integrated sling mount lets you carry the PDW hands-free, making it practical for home defense or range work.
- Black Polymer Grip (Right Hand) – The ergonomic grip angle and textured surface provide a secure hold even with wet or gloved hands, reducing fatigue during extended sessions.
- No Stock Configuration – This pistol-brace-ready design (with a sling mount) gives you the option to legally add a brace or run it as a compact pistol, maximizing flexibility under current regulations.
Who It's For
This HK SP5K-PDW is built for shooters who want a compact, reliable 9mm PDW that mirrors the MP5K’s performance. It suits competitive shooters in PCC divisions, home defense owners who need a short, maneuverable platform, and collectors who value HK’s engineering heritage. If you run a suppressed setup, the roller-delayed action keeps gas blowback minimal compared to direct blowback designs.
Pros & Cons
- Pro: Legendary roller-delayed action – smooth, accurate, and low recoil.
- Pro: HK quality control – each gun is proof-tested and built to mil-spec standards.
- Pro: Compact size – fits in a backpack or vehicle console easily.
- Con: No optic-ready slide – you'll need a claw-mount or aftermarket rail for red dots (HK does offer factory rail options, but this model ships without).
- Con: 10-round magazine limit – standard MP5 30-rounders won't fit without a magwell adapter (check local laws).
Comparison
| Feature | HK SP5K-PDW | Zev Technologies OZ9C | Agency Arms AOM 9mm |
|---|---|---|---|
| Operating System | Roller-delayed blowback | Striker-fired, Browning-link | Striker-fired, Browning-link |
| Barrel Length | 5.83" | 4.5" | 5.0" |
| Weight (empty) | ~4.8 lbs | ~1.8 lbs | ~1.9 lbs |
| Recoil Reduction | Excellent (roller-delay) | Good (compensator optional) | Good (compensator optional) |
| Aftermarket Support | Moderate (HK-specific parts) | Extensive (Zev ecosystem) | Moderate (Agency-specific) |
| Price (approx) | $3,249 | $2,100 | $2,500 |
The HK SP5K-PDW trades a higher price for a unique operating system that the Zev and Agency pistols can't match. If you want a soft-shooting PDW with a proven combat pedigree, the HK wins. If you need a lighter, more customizable handgun, the Zev or Agency might suit you better.
FAQ
Does the HK SP5K-PDW accept standard MP5 magazines?
Yes, it uses standard HK MP5/SP5K magazines. However, the included magazine is a 10-round version. Full-size 30-round MP5 mags will fit, but check your local magazine capacity laws before purchasing.
Can I mount a red dot or optic on this model?
This model (81000482) does not include a factory rail on the receiver. You can add a claw-mount rail that attaches to the cocking tube or use an aftermarket top rail. Some shooters also use a red dot mounted on a low-profile picatinny riser.
Is this firearm legal to own in all 50 states?
Because it is a semi-automatic pistol (no stock, no vertical foregrip), it is generally legal in most states. However, some states restrict magazine capacity or require a pistol permit. Check your local laws before ordering.
What is the warranty on the HK SP5K-PDW?
Heckler & Koch offers a limited lifetime warranty for the original owner against defects in materials and workmanship. Contact HK customer service for warranty claims.
Does the roller-delayed action require special lubrication?
HK recommends using a quality gun oil on the roller surfaces and bolt track. Avoid over-lubricating—a thin coat is sufficient. The system is tolerant of most CLP-type lubricants.
Trust & Delivery
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
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