The Armacham 10mm High Velocity Penetrator is a weapons-grade nail gun, firing 10mm steel stakes at lethal speeds. It can pin opponents to walls if the target is near a wall when they are hit with a fatal shot, and is found in F.E.A.R. First Encounter Assault Recon, F.E.A.R. Extraction Point and F.E.A.R. Perseus Mandate.