WEAVER Thumbnut SPR 1″ Mount | 1in Cantilever

Designed for AR-style rifles, the WEAVER Thumbnut SPR mount secures 1-inch optics forward on a cantilever platform to deliver an elevated sightline and consistent alignment. It installs quickly using thumb nuts for tool-less mounting and features an integral recoil lug base for improved accuracy and repeatable return-to-zero. Constructed from aircraft-grade aluminum, the mount is intended for use with AR-platform rifles and optics with a 1-inch tube.

Product Specifications

• The brand is WEAVER.
• The model is listed as SPR.
• The mount fits 1-inch scope tubes.
• The mount height is 1.50 inches from bottom of base to ring centerline.
• The mount uses a cantilever design to position optics forward on the rail.
• The mount is constructed from 6061-T6 aluminum.
• The product features an integral recoil lug base for improved accuracy and return-to-zero capability.
• The design uses two thumb nuts for tool-less attachment to Picatinny/Weaver rails.
• The mount is intended for AR-style rifles and is listed for Colt AR-15 application.
• The package does not include rings.
• The mount is supplied as 1 piece.
• The elevation is listed as 0 MOA.
• The color is described as Black.
• The cantilever projects forward 0.809 inches.
• The UPC is 076683483768.

The Thumbnut SPR mount is a pragmatic choice for shooters who need a secure, repeatable mounting platform for 1-inch optics on AR-style rifles. Its combination of a forward cantilever, integral recoil lug and tool-less thumbnuts fits common use cases such as precision target work and competition stages where rapid sight mounting and consistent zero are important.