Quick Look

The HK SP5 is a civilian variant of the iconic MP5 submachine gun, introduced in 2019. It emphasizes classic design and reliability while complying with U.S. semi-automatic firearm laws. The SP5 enjoys popularity among collectors and recreational shooters who seek a legendary firearm platform.

Why It's a Top Choice

• Classic HK quality and proven roller-delayed blowback system
• Highly reliable in various operating conditions
• Strong aftermarket support for customization
• Iconic design favored by enthusiasts and collectors
• Compact size suitable for home defense and sport shooting

Key Variants

HK SP5K — A shortened variant ideal for close-quarters use and compact carry.

HK SP5 — The standard semi-automatic model, great for collectors and range shooting.

Competitor Comparison Table

Feature	HK SP5	CZ Scorpion EVO 3	SIG MPX
MSRP	$1,800+	$1,300+	$2,000+
Capacity/Size	30 rounds, 9mm	20-30 rounds, 9mm	30 rounds, 9mm
Weight	5.5 lbs	5.9 lbs	6.4 lbs
Optics-Ready	Yes (top rail)	Yes (Picatinny rail)	Yes (integrated rail)
Trigger Type	Single-action	Double-action	Single-action
Notable Pro	Classic HK roller-delayed blowback	Modern ergonomics and modularity	Innovative blowback design
Notable Con	Higher price point	Smaller magazine capacity	Heavier weight

Best Use Cases

• Recreational and sport shooting
• Home defense with compact size
• Collector’s display and historical interest
• Competition in 9mm pistol-caliber carbine matches

FAQs

Can I use standard MP5 magazines in the HK SP5?

Yes. The HK SP5 is compatible with standard MP5 magazines in 9mm, allowing easy interchangeability.

What is the barrel length of the HK SP5?

The HK SP5 features an 8.86-inch barrel, matching the classic MP5 specification for balanced accuracy and compactness.

How does the HK SP5 comply with U.S. firearm laws?

The SP5 is semi-automatic only and includes features like a fixed stock to comply with U.S. laws on short-barreled rifles and suppressors.