Doublestar ACE A504 Folding Stock Mechanism With Integrated AR-15 Stock Interface Black

A: This UPC code references "With the BOSS" Chris. I would still contact Buds for confirmation via LiveChat (available from 9AM to 9PM 7 days a week), the "Blue Chat Now" bottom at the bottom right of the page at 9 CST this morning, or phoning at (859) 368-0371 (available 9AM to 9PM EST Monday through Friday).

A: this one the A504 is for use without the Boss "Doublestar Ace Folding Stock Mechanism With Integrated AR-15 Stock Interface Without Boss Black A504"

A: you will need to Contact Buds at 1-859-368-0371 9am-9pm EST Mon-Fri. or use the Blue Chat now button because either the PN or the upc is incorrect on the doublestar page the A504 is for without Boss and the A504-K is for with Boss https://star15.com/catalogsearch/result/?q=a504

A: This is designed to allow mounting of AR stocks on Galil/ACE receivers and isn't going to work for what you're looking for unfortunately.

A: it will fit any gun that doublestar makes a base for " Folding Mechanism with integrated AR15 type Stock interface. Now any AR type stock can be mounted on any receiver block that ACE makes. This includes collapsible and fixed length stocks." Please contact doublestar and see if they make a base for the Extar EP9 DoubleStar Corp. Tel: 859-745-1757 Fax: 859-745-4638