From Samson
The new Low-Profile M-LOK® Hand Stop is contoured to provide a more comfortable interface with your hand. The minimalistic design takes up less space on your handguard, but still give the user all the features they need.
The hand Stop can be installed face forward to pull firearm in closer for better control, or installed face rearward to prevent hand from sliding forward on firearms with shorter handguards.
The Low-Profile M-LOK® Hand Stop retails for $24.95 and is available on the Samson website.