HK SP5K 9mm Semi-Auto Pistol, German-Made, 4.53 in Barrel, Diopter Sights, Installed Top Picatinny Rail, 2x 30-Round Mags
German-made and true to the compact MP5K pattern, this HK SP5K pairs a roller-delayed blowback, closed-bolt system with a stamped/welded steel receiver and black finish. It features HK diopter iron sights, a ribbed polymer K handguard with an integral forward hand stop, and an MP5K-style rear end cap with sling loop and push-pin interface. Its bore is excellent, and it comes with the factory case, two 30-round factory steel magazines, sling, tool, and an installed top Picatinny rail.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor, superficial scratches and blemishes are present.
What's Included
- HK factory fitted hard case with foam insert
- HK top Picatinny rail (installed)
- Sling
- Tool
- 2 factory HK steel 30-round MP5/SP5K-pattern magazines
This SP5K retains core MP5K ergonomics and build quality, including a stamped/welded steel receiver, black finish, a polymer grip, and the MP5K-pattern ribbed polymer handguard with an integral forward hand stop. The MP5K-style rear end cap provides a sling loop and push-pin interface consistent with the platform.
The operating system is the HK roller-delayed blowback design with a closed bolt, paired with a left-side, non-reciprocating charging handle. Controls are straightforward, with a two-position selector for safe and semi-automatic fire. The 4.53 in barrel terminates in a smooth K-length muzzle shroud with no tri-lug or external threads.
Sighting is via HK diopter iron sights: a hooded front post and a rotary diopter drum at the rear. This configuration offers the proven SP5K sight picture while keeping the profile compact and streamlined.
An HK Parts Picatinny top rail is installed. It is HK-marked with 3 Nm torque indicators and includes a serial-number viewing slot on top; the serial is visible through the window with the leading digit partially obscured. This setup provides a robust mounting surface while preserving access to the receiver markings.
Authentic German manufacture is confirmed by the CIP "N" and Ulm antler proof marks, the "BI" two-letter code, and the "Made in Germany" marking plate, along with the HK USA Columbus, GA import mark. Capacity is 30+1 with the included factory HK steel 30-round magazines, and the pistol ships with the HK factory fitted hard case, sling, and tool.