Upgrade your GK1 with this wear-resistant aluminum folding stock!
This stock can be attached using the picatinny stock adapter for the GK1. And therefore also fits other air rifles with a picatinny stock connection.

This turns the GK1 into a compact and comfortable carbine, the stock itself also has a rubber butt pad that provides a comfortable feel and stability so that the stock does not slide off your shoulder.

The folding stock has a built-in connection that you can use for a sling swivel to attach a sling to your GK1. You can use the following sling swivel: UTG QD 1 inch sling swivel for built-in connection