Birchwood Casey AR-15 Upper Receiver Vise Block clamps in any vise allowing easy access for cleaning/assembly soft jaw design will not mark the receiver. It installs to upper receiver on standard AR-15 or equivalent rifles. Includes snap pins for secure engagement to the receiver. It allows the user to install and torque down the barrel to the receiver.
Specifications:

Type
Color	Gray
Material
Size
Model	Vise Block
Finish
Model Fit	AR-15
Mount Type
Belt Size
Shell Count
Caliber or Gauge
Compartments