The Arisaka Finger Stop M-LOK FDE is a patent pending low profile control accessory designed with a unique rounded ergonomic profile for placement between your index and middle fingers on M-LOK rail systems.Arisaka Finger Stop for M-LOK Rail SystemsFDE (Flat Dark Earth) anodized finishCompact dimensions: 0.85" height x 0.50" widthLightweight at only 0.4 ozPatent pending ergonomic design for finger placementFunctions as forward finger limit and barricade restIncludes M-LOK hardware (nut and 10-24x5/8" hex cap screw)Made in the USAUnlike traditional hand stops this finger stop mounts further forward on the handguard and won't interfere with shooting position transitions. Ideal for preventing finger slip onto hot barrels or suppressors while providing enhanced weapon control.