The Warne Vapor 1-Piece MSR Scope Mount (brand part no. V4012M) fits 30mm scope tubes and delivers a strong, economical mounting solution that outperforms other mounts in its class. Built in the USA, this 20 MOA mount gives your scope an extra 20 MOA of adjustment for long-range shots, a real advantage on rifles chambered for flatter-shooting cartridges. It fits any AR-15, M4, SR-25, LR308, PTR-91, or other MSR platform with a Picatinny rail at least 2.75 inches long, and it’s backed by a lifetime warranty.

Key Specifications

• Fits 30mm scope tubes in a single one-piece mount.
• Built with 20 MOA of built-in elevation for long-range zeroing.
• Mounts to any MSR with a Picatinny rail at least 2.75 inches long, including AR-15, M4, SR-25, LR308, and PTR-91.
• Machined from lightweight aluminum for durability without excess weight.
• Stands 1.4 inches tall at the mount height, matching common MSR cheek weld heights.
• Measures approximately 8.1 inches long, spanning a solid length of Picatinny rail for a secure hold.
• Backed by a lifetime warranty and designed and made in the USA.

Frequently Asked Questions

What scope tube size does this fit? 30mm scope tubes.

What rifles is this mount compatible with? Any MSR platform with a Picatinny rail at least 2.75 inches long, including AR-15, M4, SR-25, LR308, and PTR-91.

Why choose a 20 MOA mount? The built-in elevation gives your scope extra adjustment range for long-range shooting.

Buy the Warne Vapor 1-Piece MSR Scope Mount

Add long-range elevation and a solid one-piece mount to your MSR. Order from our scope mounts lineup at Warne and Schaefer Defense will ship it fast, direct to your door from our Lubbock, Texas gun shop.