* This product is the latest Jet adapter from DonnyFL with a slight redesign. It has the same functionality as the S510 Adapter. 

Features:

• Any gun that needs a double sided male adapter
• One side has knurled cap
• Has through hole in the threads for easy tightening or loosening
• Matte Black Anodize
• .79 inches / 20 mm OD

*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.