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Availability: In Stock
The Sig Sauer Alpha MSR is a 30mm Picatinny rail scope mount built for shooters who demand precision and durability. Whether you're mounting an optic for long-range hunting, competition, or tactical work, this mount delivers the rock-solid repeatability that separates a tight grouping from a miss. The Alpha MSR line is engineered from 7075-T6 aluminum and finished in coyote brown—a robust platform that pairs with modern AR platforms and any rifle featuring a Picatinny rail.
What sets the Alpha MSR apart is the exactness of its machining. The rings are designed to clamp securely around your scope without deformation or damage when torqued properly. That precision matters: your zero is only as good as the mount holding it. The steel 1913 clamps provide the clamping force you need, while the epoxy powder coat resists oxidation, gun oils, solvents, and the elements—no rust, no creep, no excuses when you're in the field.
Installation is straightforward. Sig publishes specific torque values to take the guesswork out of setup: 65 inch-pounds to the rail, 25 inch-pounds to the scope rings using a T15 Torx driver. Follow those specs and your zero will hold. The mount sits at 0 MOA base elevation, so if your optic has built-in elevation adjustment, you're working with a neutral platform.
Sig Sauer backs the Alpha MSR with their Infinite Guarantee—a testament to the quality you're getting. If you run a 30mm scope tube and need a dependable mount that won't let you down in the field, the Alpha MSR is a solid choice.
| Main Tube Diameter | 30mm |
| Material | 7075-T6 Aluminum |
| Mount Type | Integral Mount |
| Attachment Type | M1913 Picatinny Rail |
| Base Elevation | 0 MOA |
| Finish | Coyote Brown |
| Torque to Rail (1/2" Nut) | 65 in/lbs |
| Torque to Scope (T15 Torx) | 25 in/lbs |
The Alpha MSR is designed for 30mm scope tubes. Make sure your optic has a 30mm main tube before ordering.
Yes. The Alpha MSR attaches via M1913 Picatinny rail clamps, so it's compatible with any rifle or upper receiver that has a standard Picatinny top rail.
Torque the mount to your rail at 65 inch-pounds using the 1/2-inch nut, and torque the scope rings to the mount at 25 inch-pounds using a T15 Torx driver. Follow these specs to ensure a secure, repeatable zero.
The Alpha MSR sits at 0 MOA base elevation, meaning it provides no built-in rise. If your scope has integrated elevation turrets, you'll dial all your elevation through the optic itself.
SKU: 152743073 • Width: 6.8in • Height: 2.3in • Depth: 8.1in • Weight: 0.485oz
Availability: In Stock
The Sig Sauer Alpha MSR is a 30mm Picatinny rail scope mount built for shooters who demand precision and durability. Whether you're mounting an optic for long-range hunting, competition, or tactical work, this mount delivers the rock-solid repeatability that separates a tight grouping from a miss. The Alpha MSR line is engineered from 7075-T6 aluminum and finished in coyote brown—a robust platform that pairs with modern AR platforms and any rifle featuring a Picatinny rail.
What sets the Alpha MSR apart is the exactness of its machining. The rings are designed to clamp securely around your scope without deformation or damage when torqued properly. That precision matters: your zero is only as good as the mount holding it. The steel 1913 clamps provide the clamping force you need, while the epoxy powder coat resists oxidation, gun oils, solvents, and the elements—no rust, no creep, no excuses when you're in the field.
Installation is straightforward. Sig publishes specific torque values to take the guesswork out of setup: 65 inch-pounds to the rail, 25 inch-pounds to the scope rings using a T15 Torx driver. Follow those specs and your zero will hold. The mount sits at 0 MOA base elevation, so if your optic has built-in elevation adjustment, you're working with a neutral platform.
Sig Sauer backs the Alpha MSR with their Infinite Guarantee—a testament to the quality you're getting. If you run a 30mm scope tube and need a dependable mount that won't let you down in the field, the Alpha MSR is a solid choice.
| Main Tube Diameter | 30mm |
| Material | 7075-T6 Aluminum |
| Mount Type | Integral Mount |
| Attachment Type | M1913 Picatinny Rail |
| Base Elevation | 0 MOA |
| Finish | Coyote Brown |
| Torque to Rail (1/2" Nut) | 65 in/lbs |
| Torque to Scope (T15 Torx) | 25 in/lbs |
The Alpha MSR is designed for 30mm scope tubes. Make sure your optic has a 30mm main tube before ordering.
Yes. The Alpha MSR attaches via M1913 Picatinny rail clamps, so it's compatible with any rifle or upper receiver that has a standard Picatinny top rail.
Torque the mount to your rail at 65 inch-pounds using the 1/2-inch nut, and torque the scope rings to the mount at 25 inch-pounds using a T15 Torx driver. Follow these specs to ensure a secure, repeatable zero.
The Alpha MSR sits at 0 MOA base elevation, meaning it provides no built-in rise. If your scope has integrated elevation turrets, you'll dial all your elevation through the optic itself.
SKU: 152743073 • Width: 6.8in • Height: 2.3in • Depth: 8.1in • Weight: 0.485oz