Cylinder & Slide
Rock Island Armory ROCK Ultra CCO
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How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
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Model details
Manufacturer
Rock Island Armory
Model & version
ROCK Ultra CCO
Mounting details
Not recorded
Compatibility records
35
Triggers & internals
Barrels & comps
Barrels
8 listed- Ed Brown
Suppressor Ready Barrels — 4.25" Commander, 45 ACP, standard feedramp
Manufacturer documented - Kart Precision
Gunsmith Fit Barrel
Manufacturer documented - KKM Precision
45ACP Clark/Para Ramped with .578×28 Suppressor Threads
Manufacturer documented - Nowlin
Barrel, Gunsmith, Non-Ramped
Part no. SBPGManufacturer documented
Slides
Grip & magwells
Categories with no listings (14)
About the Rock Island Armory ROCK Ultra CCO
Listed on the manufacturer catalogue (read 2026-08-04): https://www.armscor.com/full-size-pistols (+mid-size, +compact)
- Type
- Pistol
- Manufacturer
- Rock Island Armory
- Model & version
- ROCK Ultra CCO
- Mounting details
- Not recorded
- Width
- 1.3"
- Height
- 5.12"
- Barrel length
- 4.2"
- Overall length
- 8"