FMA 71L Front & Rear Sight Set Flip-Up — Desert Earth

The FMA 71L set includes a flip-up front sight and a flip-up rear sight, both made from high-strength polymer, designed to mount on Picatinny 1913 and Weaver rails at 20 mm. A compact backup solution for shooters who want reserve iron sights always ready without giving up real estate on the handguard.

When folded, both sights sit just 15.2 mm above the receiver's top plane, so a centrally mounted optic or red dot remains unobstructed and fully operational at all times. When the collimator battery dies or the optic takes a knock, raising the 71L set gives you a working aiming system in seconds.

The technical polymer construction keeps the set light and corrosion-proof, at the cost of lower mechanical toughness compared to aluminium or steel — a reasonable trade-off for anyone using backup sights as an emergency system rather than a primary reference. The Desert Earth colour blends naturally with Tan, Coyote or FDE builds.

Key points

• The 15.2 mm folded profile keeps the primary optic's field of view clear without removing anything from the rail.
• Universal compatibility with Picatinny 1913 and Weaver 20 mm rails: fits almost any modern AR platform, rifle or carbine.
• Technical polymer eliminates corrosion risk and keeps the overall weight of the build in check.
• The front and rear unit are designed and zeroed as a matched pair, ensuring consistent alignment between the two elements of the set.
• BUIS function immediately available: if the primary optic fails, you have a usable aiming reference in a matter of seconds.

In the box

• FMA 71L flip-up front sight
• FMA 71L flip-up rear sight