Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Walther HK MP5 SD 22LR Semi-Automatic Rimfire Rifle is a faithful .22LR replica of the iconic MP5 SD, offering a familiar shooting experience. This rifle brings the classic MP5 aesthetic and feel to an affordable rimfire platform. Available for $329.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications for the Walther HK MP5 SD 22LR?
| Product Type | Semi-Automatic Rimfire Rifle |
|---|---|
| Caliber | .22 Long Rifle |
| Action | Semi-Automatic |
| Capacity | 25 Rounds (detachable magazine) |
| Barrel Length | 16.1 inches (with faux suppressor) |
| Overall Length | 26.8 – 32.3 inches (adjustable stock) |
| Weight | 6.8 lbs (unloaded) |
| Material | Polymer receiver, metal components |
| Finish | Matte Black |
| Sights | Adjustable rear, hooded front |
| Stock | Retractable |
| Manufacturing | Umarex/Walther (under HK license) |
| Country of Origin | Germany (licensed production) |
| Condition | New |
| SKU | 5770300 |
What makes the Walther HK MP5 SD 22LR a good choice?
This Walther HK MP5 SD 22LR semi-automatic rimfire rifle is a solid option for anyone looking to get into the MP5 platform without breaking the bank on 9mm ammunition. It’s built under license, so it carries the Heckler & Koch branding and gets the details right. The faux suppressor is a nice touch, giving it that classic SD look without the NFA paperwork. It handles well, feels balanced, and the controls are where you’d expect them to be if you’re familiar with the MP5.
The adjustable stock is a practical feature, allowing shooters of different sizes to find a comfortable length of pull. For training or just plinking, the .22LR cartridge keeps costs down, making it easier to get more trigger time. I’ve run a few hundred rounds through one of these myself, and it’s been reliable with standard velocity .22LR. It’s not a match rifle, but it’s accurate enough for fun at the range or some light target practice. The detachable magazine is easy to load and swap out.
Who is this rifle for?
- Buy it if:
- You want the iconic MP5 SD look and feel in an affordable rimfire package.
- You’re looking for a fun, reliable plinker for the range.
- You want a training platform that mimics a larger caliber carbine without the high ammo cost.
- You appreciate licensed replicas with attention to detail.
- You’re new to shooting and want a rifle that’s easy to handle and shoot.
- Skip it if:
- You need a rifle for serious hunting or self-defense (see our centerfire rifles).
- You’re looking for a competition-grade .22LR rifle (see our precision rifles).
- You prefer a more traditional hunting rifle aesthetic (see our bolt action rifles).
What are the Pros and Cons?
- ✅ Authentic HK MP5 SD aesthetics and controls.
- ✅ Affordable .22LR ammunition cost for extensive practice.
- ✅ Reliable operation with most standard .22LR ammunition.
- ✅ Adjustable stock for shooter comfort.
- ✅ Lightweight and easy to handle.
- ✅ Great for introducing new shooters to the sport.
- ❌ Not as robust as the centerfire MP5 version, as expected for a .22LR.
- ❌ Some users report specific ammo preferences for optimal reliability.
- ❌ The faux suppressor is fixed and non-functional, purely for aesthetics.
How does it compare to other .22LR tactical rifles?
| Feature | Walther HK MP5 SD 22LR | GSG-16 .22LR Carbine | Ruger PC Carbine .22LR |
|---|---|---|---|
| Material | Polymer receiver, metal components | Polymer receiver, metal components | Aluminum receiver, polymer stock |
| Quality | Good, licensed replica | Fair to good, functional | Very good, robust |
| Compatibility | MP5-style accessories (some) | Proprietary, some AR-style | Ruger 10/22 magazines |
| Shipping | From Wichita, KS | Varies by seller | Varies by seller |
| Lifespan/Durability | Good for a rimfire replica | Decent, but less refined | Excellent, very durable |
| Price | $329.00 | ~$300-350 | ~$600-700 |
When you stack up the Walther HK MP5 SD 22LR against other tactical-style .22LR carbines, it really shines in the authenticity department. The GSG-16 is another popular option that gives you a tactical look, often with a slightly lower price point, but it doesn’t carry the official HK licensing or the exact MP5 SD lines. The GSG is a solid plinker, but it feels a bit more like a toy compared to the Walther’s more substantial build. Then you have something like the Ruger PC Carbine in .22LR, which is a different beast entirely. While it’s also a semi-auto .22LR, it’s built more like a traditional carbine, designed for rugged use and often featuring modularity with Ruger 10/22 magazines. The Ruger is arguably more durable and versatile for certain applications, but it lacks the distinct cool factor and iconic design of the MP5. For pure MP5 SD aesthetic and feel in a .22LR, the Walther is hard to beat, especially at its price point.
Frequently Asked Questions
Is the Walther HK MP5 SD 22LR semi-automatic rimfire rifle a good value?
For its price, the Walther HK MP5 SD 22LR offers significant value, especially for those who want the iconic MP5 look and feel without the cost of a centerfire equivalent or expensive ammunition. It’s a reliable and fun plinker that accurately replicates the original’s aesthetics.
What is the magazine capacity of the Walther HK MP5 SD 22LR?
The Walther HK MP5 SD 22LR semi-automatic rimfire rifle typically comes with a 25-round detachable magazine. Additional magazines are available for purchase.
Are semi-automatic guns legal in Australia?
Generally, semi-automatic rifles and shotguns are heavily restricted or prohibited for civilians in Australia, particularly those with military styling or high capacity. Laws vary by state, but strict licensing and genuine need requirements apply. The Walther HK MP5 SD 22LR would likely fall under these restrictions.
Is the Walther HK MP5 SD 22LR considered an ‘assault weapon’?
While the Walther HK MP5 SD 22LR has the visual characteristics of a military-style firearm, its .22LR rimfire caliber often places it outside the definition of an ‘assault weapon’ in many jurisdictions that have such bans. However, some states or localities have broader definitions that might include it. Always check your local and state laws.
Can I attach a real suppressor to the Walther HK MP5 SD 22LR?
No, the ‘SD’ part of the Walther HK MP5 SD 22LR refers to the integrated faux suppressor, which is purely cosmetic and non-removable on this model. It is not designed to accept a functional suppressor.
What kind of accuracy can I expect from this rifle?
The Walther HK MP5 SD 22LR is generally accurate enough for plinking, target shooting at typical rimfire distances (25-50 yards), and recreational use. It’s not a precision target rifle, but it’s consistent for its intended purpose. Expect groups of 1-2 inches at 25 yards with good ammunition.
Where can I buy rimfire rifles online?
You can buy rimfire rifles, including the walther hk mp5 sd 22lr semi-automatic rimfire rifle, online at Kansas Gunshop (kansas-gunshop.com). We are a licensed FFL dealer and can facilitate transfers to your local FFL.
✅ Same-day shipping from Wichita, KS
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Last updated: April 2026
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