The Rock Standard EFS is a full-size, Series 70–style 1911 from Rock Island Armory (Armscor). It is chambered in .45 ACP and built on a steel frame and steel slide finished in Gun Metal Gray Cerakote. The pistol features a 5″ button-rifled barrel and black G10 grips for a traditional 1911 handling profile. It includes an ambidextrous safety and low-profile fixed sights mounted in a dovetail cut.
Key Specifications
- The pistol is chambered in .45 ACP.
- The barrel measures 5 inches.
- The slide is constructed of 4140 steel with a Gun Metal Gray Cerakote finish.
- The frame is steel with an applied Cerakote finish.
- The grips are black G10.
- The sighting setup is fixed dovetail sights.
- The pistol includes an ambidextrous safety.
- The action is single action.
- The model designation is EFS.
- The unloaded weight is listed as 37 oz..
Designed around the classic 1911 footprint, this Rock Island Armory EFS pairs traditional ergonomics with a durable Cerakote finish and modern G10 grips. Its full-size frame and service-style features make it well-suited for range work, competition formats that prefer traditional 1911 platforms, and collectors seeking a robust, straightforward steel 1911.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
