HKP Blog

The HK MP5 platform, including variants like the SP5, MP5K, SP5K, and even the MP5 22LR, enjoys immense popularity for its reliability and iconic style. Choosing the right trigger is important depending on your application. Let’s break down the differences. Basic Functionality Single‑stage trigger: One continuous pull from rest to break. There may be some pre‑travel or creep depending on the design, but functionally you pull and it breaks at the set weight. Reset is a single, usually sho …

What an MP5 Parts Kit Is (and Isn't) An MP5 parts kit bundles key subassemblies and small parts into a single package. Purchasing a parts kit saves time and money versus sourcing components individually.  Most importantly, parts kits are comprised of verified-compatible components thereby taking the guesswork out of the game. But parts kits are not firearms, because kits do not include a formed receiver. [1][2] Parts kits offer immense flexibility, not only in overall configuration, but in …