Samson Low Profile M-LOK Hand Stop Black. Its contoured to provide a more comfortable interface with your hand and easily doubles as a barricade stabilizer. The slim design takes up less space on your handguard for a more minimalistic approach but still provides all the handy features you need. Features of Samson Low Profile M-LOK Hand Stop extured face to prevent hand from slipping Install face forward to pull firearm in closer for better control Install face rearward to prevent hand from sliding forward on firearms with shorter handguards Precision CNC machined Package Contents: Samson Low Profile M-LOK Hand Stop Samson 04-01040-01: Low Profile M-LOK Hand Stop Black