The LEM?p30L are the ones I had. Do you recall what they call their mackdaddy trigger? Despite being supposedly so awesome it felt like a Tavor trigger. Mushy, inconsistent, heavy.
The HK LEM Trigger Explained - Lucky Gunner Lounge
The Heckler & Koch LEM trigger is often mistaken for a light double action, but that doesn't really do it justice...
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