The Weaver Thumbnut SPR (Special Purpose Rifle) optics mount secures 1-inch scope tubes to Picatinny/Weaver rails on AR-style rifles. It provides a forward cantilever position for optics while maintaining a compact profile suitable for AR platforms. Constructed from 6061-T6 aluminum, the mount includes an integral recoil lug to support return-to-zero performance. Two thumb-style rail-clamping screws enable tool-less mounting and removal of optics.
Key Specifications
- Constructed from 6061-T6 aluminum for a lightweight, robust mount.
- Designed for 1-inch scope tubes.
- The mount height is 1.50 inches from the bottom of the base to the ring centerline.
- The cantilever forward measurement is 0.809 inches.
- The overall length is 5.375 inches.
- Fits Picatinny/Weaver rails on AR-style rifles and similar platforms.
- Uses two thumb-style rail-clamping screws for tool-less mounting and dismounting.
- Features an integral recoil lug to help maintain return-to-zero capability.
- Rings included: No.
- Elevation: 0 MOA.
This Thumbnut SPR mount delivers a practical mounting solution for 1″ optics on AR-platform rifles, combining a forward cantilever for eye relief options with tool-less convenience and a recoil-aware base. Its focused design favors reliability and repeatable performance in operational and precision shooting setups where consistent optic alignment and a slim profile are priorities.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
