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Rock Island Armory TAC Ultra FS Combo
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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
TAC Ultra FS Combo
Mounting details
MIL-STD-1913 Picatinny
Compatibility records
98
Lights & rail fitment
Triggers & internals
Triggers
21 listed- Cylinder & Slide
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Part no. 1911trg496Manufacturer documented - Harrison Design
HD-101-N Extreme Service Trigger
Manufacturer documented
Barrels & comps
Barrels
9 listed- Ed Brown
Suppressor Ready Barrels — 5" Government, 9mm, standard feedramp
Manufacturer documented - Jarvis, Inc.
Jarvis 1911 Barrel — Government 5" 9mm
Manufacturer documented - Kart Precision
Gunsmith Fit Barrel
Manufacturer documented - Nowlin
Barrel, Gunsmith, Non-Ramped
Part no. SBPGManufacturer documented
Slides
Slides
4 listed- Advantage Arms
22LR Conversion Kit — 1911 Mini CA
Manufacturer documented - Advantage Arms
22LR Conversion Kit — 1911 Mini Threaded
Manufacturer documented - Advantage Arms
22LR Conversion Kit — 1911 Standard
Manufacturer documented - Advantage Arms
22LR Conversion Kit — 1911 Target
Manufacturer documented
Grip & magwells
Categories with no listings (13)
About the Rock Island Armory TAC Ultra FS Combo
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
- TAC Ultra FS Combo
- Caliber
- 9mm, .22 TCM
- Mounting details
- MIL-STD-1913 Picatinny
- Width
- 1.44"
- Height
- 5.59"
- Weight
- 41.92 oz
- Barrel length
- 5"
- Manufacturer item #
- 56635
- Overall length
- 8.75"