H&K's Cold War Light Machine Guns – the SAW that could have been – Strikehold.net
HK23 | Simple color, playing the drums using Baidu pimpmygun… | Flickr
MM23E HK23E - Full auto belt fed with sear (Ep2) - YouTube
PPSH-41 Parts Kit With Drum, 7.62x25mm, Soviet Surplus, PPSH41, KIT-PPSH-41, RTG Parts
RTG Parts LLC - Here's one you don't see very often. The HK11 is essentially an HK91 automatic rifle fitted with a heavier barrel for the light support machine gun role, borrowing
HK 23 E – The Armory
HK 23 – The Armory
HK23 — Wikipédia
Beltfed Precision Products HK 23E Barrel Assembly-5.56-17.7"