The Elzetta Z-STK provides a Quick Disconnect (QD) Heavy-Duty Sling Swivel which may be installed on weapons with a collapsible buttstock..

With what types of collapsible buttstocks will the Elzetta Z-STK work? The Elzetta Z-STK will work with most collapsible buttstocks which have a slot height not greater than 0.20" (5.0 mm). Use only buttstocks made by reputable U.S. manufacturers. Do not use any buttstock that shows signs of cracking or other damage.

Is the Elzetta Z-STK compatible with other QD Sling Swivels? Yes, the Elzetta Z-STK uses an industry-standard Quick Disconnect (QD) Sling Swivel and is compatible with the QD Sockets used by Magpul, Vltor, LMT, and others.

From what material is the Elzetta Z-STK constructed? The Elzetta Z-STK Swivel Attachment is made from Type III Hard Anodized 6061-T6 Aluminum and the Swivel is made from Manganese Phosphate Coated Steel.

How does the Elzetta Z-STK attach to the buttstock? The Elzetta Z-STK is attached to the buttstock with 2 screws and thick flat washers which thread into the Swivel Attachment. Each screw features a nylon patch to resist loosening.

Can the Elzetta Z-STK be attached to either side of the buttstock? Yes, the Elzetta Z-STK may be fastened either to the left or right side of the buttstock.

Does the Elzetta Z-STK allow full rotation of the Sling Swivel? Yes, the Elzetta Z-STK allows 360° full rotation of the Sling Swivel when properly installed.

Where is the Elzetta Z-STK made? Like everything Elzetta sells, the Elzetta Z-STK is Made in the USA.

Picture shown with optional (not included) Urban Sentry Sling and ZSS1500