The best replacement for fixed front sight is flip up.

The best alternatives to fixed front sight are rated as following:
★★★★★  flip up

Your alternative for fixed front sight is not listed? Suggest!
Speaking about fixed front sight, one probably shouldn't forget about red dot.

Other search terms related to fixed front sight and their ratings are:
★★★★★ red dot
★★★★ optics
★★★ eotech
★ acog
You have in mind a companion for fixed front sight and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of fixed front sight in all years. Click on graph for more.
fixed front sight
flip up