Enterprising collectors, shooters, and hobbyists that are HK fanatics have a choice when it comes to what is likely the company’s most infamous design of all time, and certainly one of the most influential subguns of all time, the MP5. Should you buy one, or build a platform that’s effectively (though not technically) the same? There are some additional considerations that you...

The MP5K, a super-compact variant of the MP5, is lightweight, smooth shooting, and nimble in the hands. It’s sort of akin to an AR-15 pistol in that regard, but chambered in a handgun caliber instead of something like 5.56.  But as ARP fans will tell you, while the platform is easy to conceal, handling lacks a little.  On that note, here are 3 ways you can upgrade your MP5K (or...