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Colt M45A1 CQBP
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What the compatibility labels mean
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.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
Model details
Manufacturer
Colt
Model & version
M45A1 CQBP
Mounting details
MIL-STD-1913 Picatinny
Compatibility records
105
Lights & rail fitment
Triggers & internals
Triggers
21 listed- Cylinder & Slide
1911 3 Hole V Match Long Aluminum Trigger with Serrations
Manufacturer documented - Eemann Tech
K-Hole Trigger for 1911
Manufacturer documented - Fusion Firearms
1911 Trigger - Medium Length, Solid Design w/ Serrated Front
Part no. 1911trg496Manufacturer documented - Harrison Design
HD-101-N Extreme Service Trigger
Manufacturer documented
Barrels & comps
Barrels
9 listed- Ed Brown
Barrels — Government, 45 ACP, standard feedramp
Manufacturer documented - Jarvis, Inc.
Jarvis 1911 Barrel — Government 5" 45 ACP
Manufacturer documented - Kart Precision
Gunsmith Fit Barrel
Manufacturer documented - Nowlin
Barrel, Gunsmith, Non-Ramped
Part no. SBPGManufacturer documented
Sights
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
Also on this pistol
Holsters
1 maker- Safarilandchecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Categories with no listings (11)
About the Colt M45A1 CQBP
- Type
- Pistol
- Manufacturer
- Colt
- Model & version
- M45A1 CQBP
- Caliber
- 45 ACP
- Mounting details
- MIL-STD-1913 Picatinny