This adapter is compatible with the .30 Western Airguns Rattler. The Rattler .30 is a 17-shot fully and semi-automatic big-bore air rifle.  

Features:

• 1/2x20 male threads
• 6061 T6 Aluminum
• Anodized
• Knurled thread protector

*DISCLAIMER: These products are INTENDED for the use on airguns only.  It is a violation of Federal law to use this product in a manner inconsistent for which it was intended for. It is your Responsibility to know the laws in your state, county and city and to fully comply with them.