The Lyman Universal Brass Catcher wraps securely around stock with a Velcro strap. No firearm modifications are needed. The bag is heat resistant, adjustable and low profile, to clear optics or scopes. Catch bag can hold up to 60, 223 cases.
Specifications:

Type
Color	Black
Material	Canvas
Size
Model	Universal
Finish
Model Fit
Mount Type	Velcro
Belt Size
Shell Count
Caliber or Gauge
Compartments