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Springfield Armory 1911 Emissary 4.25" AOS
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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
Springfield Armory
Model & version
1911 Emissary 4.25" AOS
Mounting details
MIL-STD-1913 Picatinny, Agency Optic System (AOS) plate cut — Springfield Armory AOS 1911 / 2011
Compatibility records
226
Optics & footprint adapters
Optics
105 listed- Burris
FastFire E
Interface match - Bushnell
RXM-300 Reflex Sight
Interface match - C&H Precision
COMP Max Red Dot Optic
Interface match
Optic Plates
8 listed- C&H Precision
Agency Optic System to Aimpoint ACRO (STEEL)
Interface match - C&H Precision
Agency Optic System to EOTECH EFLX
Interface match - C&H Precision
Agency Optic System to Holosun 407k / 507k & C&H EDC / EDC Enclosed / Olight Osight S (No Integrated Rear Sight)
Interface match - C&H Precision
Agency Optic System to Holosun 509T (STEEL)
Interface match
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
Recoil Springs
1 listedGrip & magwells
Magazines
11 listed- Mec-Gar
1911 Full Size .45 ACP 10-Round Magazine
Part no. MGCG4510AManufacturer documented - Springfield Armory
1911 10-Round Stainless Steel Magazine - .45 ACP
Manufacturer documented - Mec-Gar
1911 Full Size .45 ACP 7-Round Magazine
Part no. MGCG4507BManufacturer documented - Springfield Armory
1911 7-Round Metalform Magazine - .45 ACP
Manufacturer documented
Barrels & comps
Barrels
5 listed- Jarvis, Inc.
Jarvis 1911 Barrel — Commander 4.25" 45 ACP
Manufacturer documented - KKM Precision
.355 Wilson/Nowlin Ramped
Manufacturer documented - Nowlin
Bull Barrel, 9mm Gov’t. or Commander Ramped Barrel
Part no. RB-5BBG-9Manufacturer documented - Jarvis, Inc.
Jarvis 1911 Barrel — Commander 4.25" 9mm
Manufacturer documented
Slides
Also on this pistol
Holsters
2 makers- Galcochecked 2026-11-01
- Vedder Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Categories with no listings (9)
About the Springfield Armory 1911 Emissary 4.25" AOS
Manufacturer listing ↗ · Checked 2026-08-02
- Type
- Pistol
- Manufacturer
- Springfield Armory
- Model & version
- 1911 Emissary 4.25" AOS
- Mounting details
- MIL-STD-1913 Picatinny, Agency Optic System (AOS) plate cut — Springfield Armory AOS 1911 / 2011
- Height
- 5.25"
- Barrel length
- 4.25"
- Overall length
- 7.75"