This is a San Tan Tactical Forward Assist, model STT-FWDAST.
The STT Ultra Grip Forward Assist Plunger is made from hardened steel and coated with black nitride for corrosion and abrasion resistance. The forward assist pawl features the STT Ultra Grip texture to ensure positive engagement. Fits all MIL-SPEC upper receivers. Plunger Spring is included.
Features:
Mil-Spec Compatibility
Black Nitride Coated
Includes Plunger Spring