SIG Sauer Accessories
SIG Sauer ALPHA3
Specs, variants & prices
SIG Sauer currently makes 7 versions of the ALPHA3 accessory. SIG Sauer's suggested retail prices run from $206.99 to $229.99, and stores set their own prices from there. The table below lines up every version so you can compare them at a glance.
What versions of the SIG Sauer ALPHA3 are there?
7 current versions. Specs and measurements are SIG Sauer's own.
ALPHA3 30MM 1.535 SCOPE MOUNT - FDE
—- Model / part #
- SOA30012
- Attachment
- M1913
- Finish
- Flat Dark Earth (FDE)
- Details
- Maintube: 30mm
- MSRP
- $229.99
ALPHA3 34MM 1.535 SCOPE MOUNT - FDE
—- Model / part #
- SOA30014
- Attachment
- M1913
- Finish
- Flat Dark Earth (FDE)
- Details
- Maintube: 34mm
- MSRP
- $206.99
ALPHA3 SCOPE MOUNT, 30MM, 1.375, 7075-T6, TI HARDWARE, BLK
—- Model / part #
- SOA30001
- Attachment
- M1913
- Finish
- Black
- Details
- Maintube: 30mm
- MSRP
- $229.99
ALPHA3 SCOPE MOUNT, 30MM, 1.535, 20MOA CANT, 7075-T6, TI HARDWARE, BLK
—- Model / part #
- SOA30006
- Attachment
- M1913
- Finish
- Black
- Details
- Maintube: 30mm
- MSRP
- $229.99
ALPHA3 SCOPE MOUNT, 30MM, 1.535, 7075-T6, TI HARDWARE, BLK
—- Model / part #
- SOA30003
- Attachment
- M1913
- Finish
- Black
- Details
- Maintube: 30mm
- MSRP
- $229.99
ALPHA3 SCOPE MOUNT, 34MM, 1.535, 20MOA CANT, 7075-T6, TI HARDWARE, BLK
—- Model / part #
- SOA30007
- Attachment
- M1913
- Finish
- Black
- Details
- Maintube: 34mm
- MSRP
- $229.99
ALPHA3 SCOPE MOUNT, 34MM, 1.535, 7075-T6, TI HARDWARE, BLK
—- Model / part #
- SOA30005
- Attachment
- M1913
- Finish
- Black
- Details
- Maintube: 34mm
- MSRP
- $229.99
How much does a SIG Sauer ALPHA3 cost?
SIG Sauer's suggested retail prices run from $206.99 to $229.99, depending on the version.
Can you buy one in California or Massachusetts?
SIG Sauer leaves California and Massachusetts blank for this product. Some states limit which accessories a dealer can sell. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the ALPHA3?
Nothing new on the ALPHA3 lately.
Specs from SIG Sauer, checked November 2, 2025 (source). SIG Sauer's site blocks scripted requests, so this table was read from a saved copy of the product page. Spot a mistake? Let us know and we'll fix it. SIG Sauer is a trademark of its owner, listed for identification only. Firearms Almanac isn't affiliated with SIG Sauer.