Rock Island Armory Rock Standard M1911 EFS .45 ACP 5″ 8+1
About this product
The Rock Island Armory Rock Standard M1911 EFS is a full-size, Series 70–style pistol chambered in .45 ACP with a 5″ button-rifled barrel. It is built on a steel frame with a Gun Metal Gray Cerakote finish and features an extended beavertail grip safety, double-wide slant slide serrations and an ambidextrous safety. The pistol ships with a single magazine and a factory trigger designed to break in the 4–6 lb range.
Key Specifications
- Caliber is .45 ACP.
- The barrel measures 5″.
- Magazine capacity is 8+1 rounds.
- Action type is Single Action.
- Frame material is Steel.
- Finish is Gun Metal Gray Cerakote.
- Grip material is G10.
- Sights are fixed, dovetail-mounted.
- Unloaded weight is listed as 37 oz..
- Trigger pull is specified at 4–6 lbs.
This Rock Standard 1911 pairs traditional lines with practical modern features—robust steel construction, Cerakote corrosion resistance and textured G10 grip panels—to serve reliably in range, training, or general-purpose duty roles. Its full-size dimensions and proven 1911 ergonomics make it a familiar platform for experienced shooters seeking a solid .45 ACP pistol with straightforward controls and standard-capacity magazines.
Specs at a glance
Key attributes
| upc | 4806015564195 |
| manufacturer | Armscor/Rock Island Armory |
| manufacturer part number | 56419 |
| action | Single Action |
| atf type | Pistol |
| barrel length | 5" |
| caliber/gauge | .45 ACP |
| capacity | 8 + 1 |
| color | Gray |
| length | 10.5 |
| model | EFS |
| number of magazines | 1 8 rd. |
| package height | 2.6 |
| package width | 10.1 |
| product type | Semi-Auto Pistol |
| safety | Ambidextrous |
| shipping weight | 4.0 |
| sights | Novak Style Low Profile |
| sights type | Fixed Sights |
| slide description | Serrated |