Rock Island Armory RIA M1911A1 Rock Standard 45 ACP 5-inch 8rd
About this product
The Rock Island Armory RIA M1911A1 Rock Standard is a full-size 1911 platform chambered in .45 ACP. It features a 5-inch button-rifled barrel, parkerized steel frame and slide, and a full-length guide rod. The pistol ships with an 8-round magazine and factory skeletonized hammer and trigger, plus an ambidextrous safety for left- or right-hand operation.
Key Specifications
- Chambered in .45 ACP for traditional 1911 performance.
- Operates as a Semi-Auto action.
- Barrel measures 5 inches and is button-rifled with 6 grooves and a 1:16″ twist.
- Feeds from a 8-round magazine (one magazine included).
- Built on a steel frame with a parkerized finish.
- Finished in Parkerized matte black on slide and frame.
- Sight setup includes a low-profile dovetailed front and a fixed rear sight.
- Unloaded weight is approximately 40 oz (about 2.49 lbs).
- Features a full-length guide rod and a skeletonized hammer and trigger.
- Includes an ambidextrous safety and an extended beavertail grip safety.
Purpose-built for range use, competition-style shooting, or traditional full-size 1911 ownership, the Rock Standard delivers classic ergonomics and straightforward functionality with modern production standards. Its parkerized steel construction, full-length guide rod, and crisp factory trigger make it a practical choice for shooters who value durable materials and a familiar 1911 feel.
Specs at a glance
Key attributes
| upc | 4806015514312 |
| manufacturer | Armscor/Rock Island Armory |
| manufacturer part number | 51431 |
| action | Single Action |
| barrel length | 5" |
| caliber/gauge | .45 ACP |
| capacity | 8 + 1 |
| color | Black |
| model | Rock Series |
| number of magazines | 1 |
| product type | Pistol |
| safety | Ambidextrous |
| shipping weight | 3.5 |
| sights | Fixed Sights |
| sights type | FIXED |
| slide description | Serrated |
| atf type | Pistol |
| length | 10.5 |
| package height | 2.6 |
| package width | 10.1 |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| units per box | 1 |