Walther HK MP5 SD 22LR Semi-Automatic Rimfire Rifle — Full-Time Suppressed MP5 Replica

Overview — Authentic SD-Style Suppressed MP5 for Rimfire Training

The Walther HK MP5 SD 22LR is the full-time suppressed version of the legendary MP5 platform, faithfully reproduced as a .22 LR rimfire by Walther under exclusive license from Heckler & Koch. Designed for shooters who want the look, balance, and handling of an SD-type MP5 with the cost-effectiveness of rimfire ammunition, this rifle offers authentic SD-style ergonomics—integral compensator, SD forearm, retractable stock, and HK-style sights—while remaining affordable to shoot and ideal for training, collection, and range use.

Why Choose the Walther HK MP5 SD 22LR

If your buyer intent is focused on realistic training, suppressed-platform familiarity, or owning an officially licensed HK replica, the HK MP5 SD .22 LR answers the call. The full-time suppressed profile lets you practice suppressed shooting techniques legally and inexpensively at the range using .22 LR. Built with a metal receiver, NAVY-style pistol grip, and authentic sling attachment points, this rimfire maintains the tactile feedback and weight distribution of its centerfire counterpart—making it an exceptional tool for instructors, tactical shooters, and collectors.

 

Key Features & Benefits

• Full-time suppressed profile: SD-style forearm and integral compensator replicate the look and feel of a suppressed MP5 for realistic suppressed-platform training.
• Official HK license: Manufactured by Walther under license from Heckler & Koch, this is an authentic HK tactical rimfire replica.
• Durable metal receiver: Robust construction that mimics centerfire handling and balance for realistic drills and sighting.
• Adjustable, accurate sights: Front sight is adjustable for elevation; rear diopter drum allows precise windage and elevation adjustments for tight groups at rimfire distances.
• Retractable stock & NAVY grip: Adjustable length-of-pull and ergonomic grip make it comfortable for shooters of varying sizes.
• 25-round capacity: Longer shooting sessions with fewer reloads, ideal for training and recreational use.
• Accessory-ready: Authentic sling attachments and SD-type forearm provide a period-correct platform for mounting slings and aftermarket accessories where allowed.

Who Should Buy This Rifle?

The Walther HK MP5 SD 22LR is perfect for:

• Instructors developing suppressed-platform training syllabi without the cost of centerfire ammo.
• Tactical shooters wanting to practice handling and movement with a suppressed-style firearm.
• Collectors who value officially licensed HK replicas and historically accurate configurations.
• Range enthusiasts seeking a comfortable, low-recoil rimfire for extended practice and drills.

Real-World Uses & Training Applications

Use the MP5 SD 22LR for a wide range of practical purposes: suppressed shooting familiarization, close-quarters movement drills, controlled pairs and speed transitions, and sighting-in diopter-equipped iron sights. The realistic balance and metal receiver make it a great surrogate for learning how a suppressed MP5 handles under stress and during rapid follow-up shots. Because it fires .22 LR, you can perform high-repetition training sessions while keeping ammunition costs minimal—ideal for instructors and teams working on fundamentals.

Specifications

Specification	Details
Operation	Blowback
Caliber	.22 LR
Barrel Length	16.1″
Barrel Twist	1 in 13-3/4″
Grooves	6
Capacity	25 Rounds
Overall Length	26.8 – 33.8″ (retractable stock)
Muzzle Thread	N/A
Front Sight	Interchangeable Posts, adjustable for elevation
Rear Sight	Diopter Drum Sight (adjustable for windage & elevation)
Weight (with mag)	5.9 lbs
Receiver	Metal
Grip	NAVY Pistol Grip

What’s in the Box

• Walther HK MP5 SD 22LR Semi-Automatic Rifle
• (1) 25-Round Magazine
• Cable Lock
• Owner’s Manual

Buying Tips & Considerations

Before purchasing, verify local regulations regarding rimfire tactical replicas and ensure the model is compliant with range policies. If you plan to use optics, note the iron sight setup and consider a mounting solution that preserves the diopter sight if you want to maintain the historic look. For training use, pair this rifle with quality .22 LR ammunition and a stable sighting bench to establish a reliable zero for your preferred sighting system.

Final Thoughts

The Walther HK MP5 SD 22LR is an outstanding option for anyone seeking a realistic, full-time suppressed MP5 experience in an affordable rimfire package. Combining authentic HK styling, licensed construction, and practical features like adjustable sights and a retractable stock, it stands out as a top choice for suppressed-platform training, collecting, and range enjoyment.

For user reviews and more information, see Walther Arms product reviews: Walther Arms product reviews