Brownells Rifle Peep Sight Aperture 3/8" x .050" Black

The Brownells Rifle Peep Sight Aperture is a replacement or upgrade aperture insert designed for standard rifle rear sights. Featuring a 3/8" diameter with a .050" aperture opening, this peep-style insert provides a precise sight picture for improved accuracy. Finished in black to reduce glare, it offers broad compatibility with universal rifle rear sight assemblies.