If you're looking for a smaller, more affordable alternative to the CompSight, the HIVIZ MiniComp is a popular choice. Like all HIVIZ bead sights, MiniComp is bright and easy to install, and is the only HIVIZ bead sight offering an orange LitePipe in addition to the standard green and red.

Features and Specifications:
Manufacturer Number:PM2011
Front sight bead replacement for shotguns
Steel
Interchangeable LitePipes
It includes a sight base, a key and a red, green, and orange LitePipe
Sight includes five screws in varying thread sizes to fit nearly any shotgun: 3-56; 5-40; 6-48; 3mm x .5; 3mm x .6.

Fits:
Most vent-ribbed shotguns with removeable front bead.