Tactical Universal metal Hand Stop / Handstop Foregrip Fit M-LOK Handguard
6061 Aircraft Aluminum
Fit: M-Lok Handguard
size: 2.17"x.70"x 1.0" (L X W X H)
This was needed on my AR-15 9mm pistol with a 4" barrel to keep your hand back from the muzzle blast!