H&K Complete FBI S-F Semi-Auto Trigger Group, Clipped & Pinned, MP5, MP5SD,HK53 & More

THIS A NEW LIKE-NEW COMPLETE GERMAN HK “FBI” S-F SEMI-AUTO TRIGGER GROUP WITH L.H. ESSL.  The Factory Housing was Clipped & Pinned for the Legacy 9mm Shelf by TDyer Gunsmith.  SET-UP IN 9MM.

FITS: MP5, MP5SD, HK33, HK53 & HK51