Fully machined from bar stock with real cut checkering. Rule of thumb: shooter with average size hand would do best with a flat mainspring housing and a long trigger. Someone with an extra large hand should use an arched mainspring housing and long trigger combination and people with very small hands should use a flat mainspring housing with a short trigger. Low luster glass bead finish. Fits: Colt Govt Model / Enhanced Govt Model, Springfield Armory 1911A1, Military 1911/1911A1, Auto Ordnance 1911A1, Norinco 1911A1, Caspian 1911A1, Wilson 1996A2, Colt Commander/LW Commander/ Combat Commander/1991A1 Commander, Detonics Servicemaster, Champion Mil-Spec, Safari Arms Matchmaster, Detonics Combatmaster, Para Ordnance P-14, Colt Gold Cup, AMT Hardballer, Colt Double Eagle