Single action. Fully adjustable Bomar-type rear sight dovetail front sight with fiber optic. Ramped match grade bull barrel. Flared and lowered ejection port enhanced beavertail grip safety. Skeleton hammer combat trigger. Tactical rail. Matte black finish aluminum grips w/MAC logo. 45 ACP 12rd 5''.UPC: UNM30SDT45B
Determined at checkout.