The Rock Island 38747 is a factory OEM 1911 magazine engineered for Rock Island Armory full-size single-stack 1911 pistols. This stainless steel detachable magazine holds 10 rounds and is compatible with .38 Super, 9mm Luger, and .22 TCM chamberings—making it a versatile reload solution if you run any of these calibers in a RIA 1911 platform. Built to Armscor/Rock Island Armory specifications and tolerances using the same materials and manufacturing processes as original equipment magazines, it delivers the fit and reliability you expect from a factory-sourced mag.
Whether you're stocking spares for the range, building out a duty loadout, or keeping backups for a carry gun, having properly fitting OEM magazines is non-negotiable. This one's constructed with a steel magazine body and polymer base plate in a stainless finish, so it handles regular use and storage without complaint. Since it's made to spec by Armscor itself, you know it'll chamber and feed rounds consistently in your 1911.
A straightforward, no-frills magazine built to work. If you own a full-size RIA 1911 in one of these calibers and need to expand your mag supply, this is the logical choice—no guessing about fit or function.
| Brand | Armscor / Rock Island Armory |
| Capacity | 10 rounds |
| Caliber Compatibility | .38 Super, 9mm Luger, .22 TCM |
| Material | Stainless steel body, polymer base plate |
| Finish | Stainless |
| Model Fit | Rock Island Armory full-size 1911 (single-stack) |
| Magazine Type | Detachable |
Yes—this is a factory OEM magazine made by Armscor specifically for Rock Island Armory full-size 1911 models. It's engineered to their specifications and tolerances for proper fit and operation. Just confirm your 1911 is chambered in .38 Super, 9mm Luger, or .22 TCM.
This is a factory-sourced magazine manufactured by Armscor using the same materials and processes as the original equipment magazines that ship with RIA 1911 pistols. That means you get the fit and function Armscor designed your gun to use, without the guesswork of third-party alternatives.
No—this magazine is designed for full-size Rock Island Armory 1911 models only. Compact and officer's models use different magazine dimensions and are not compatible with this 10-round detachable magazine.
No—this is the magazine only. It does not include a loader or other accessories.
Armscor
Armscor
Armscor
