Real wallnut grips with "U.S.A." design, fits Cybergun (180512, 180521, 180524, 180525, 180529, 180531, 180532, 180564), KWC, Swiss Arms, Elite Force 1911 Tactical, Dan Wesson Valor and Vorsk 1911 models.
Other manufacturers M1911 may require some adjustments depending on the brand.