The Patent behind the Heckler & Koch HK233 and HK237

Technically Heckler & Koch haven’t really released the HK233 yet. It’s “just there” on their homepage and they forgot to tell the marketing department to send out the press release. But as we found out about the HK233 (5,56 NATO) and HK237 (300BLK) there were various people posting both in Facebook groups and at HKPro […]

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