DSR SPRS for Spyderco PERSISTENCE (Knife and THORN Not Included)

The DSR (Defense Safety Ring) is designed as a product enhancement for the SPYDERCO PERSISTENCE (TM) series knives. You purchase your own DSR remove a few screws and replace the rear spacer with the DSR SPRS. Now your Spyderco is an instant deployment knife (with ziptie hack) with retention and endless possibilities. Made in the United States of America on the Western Slope of Colorado out a strong steel reinforced Chopped Carbon Fiber/ Nylon material.
 
DSR SPRS  is made with state of the art additive manufacturing on the Western Slope of Colorado. The material has a melting point of over 500 degrees and a heat deflection rating of about 300 degrees. It is ready for duty use.
 
Enjoy!  FREE SHIPPING     (KNIFE NOT INCLUDED)