The one major downside about a HK weapon is the amount of money it costs. These weapons are incredibly expensive and they have a good reason for being so. Heckler and Koch works specifically out of Oberndorf, Germany. All HK products and HK parts come directly from their factory, and are exported all over the world.

H&K has been accused of shipping small arms to conflict regions such as Bosnia and Nepal, and has licensed its weapons for production by governments with poor human rights records such as Sudan, Thailand and Myanmar.

Yes, civilians can buy Heckler & Koch 416. There is a semi-automatic version available for civilians, which uses a gas piston system with a rod that prevents propellant gases from being introduced into the weapon.

John Wick (Keanu Reeves) uses a Heckler & Koch P30L fitted with a custom compensator as his primary firearm through the film. He swaps it for a Glock 26 during the Red Circle Club shootout when the P30L runs out of ammunition.