- Kel Tec Sub 2000 Generation 2 Castle Nut, modified to allow for secure mounting to your rifle when using the Performance Services Kel Tec Sub 2000 Quick Detach Single Point Sling Mount.
- No messy unreliable adhesives required.
- The Performance Services Kel Tec Sub 2000 Quick Detach Single Point Sling Mount is required to attach the Modified Castle Nut to your rifle and is sold separately.
On the Kel Tec Sub 2000 Generation 2, the nut that helps hold the receiver halves together and to the buttstock tube is sometimes referred to as the “Castle Nut”. The Sub 2000 Generation 2 comes from the factory with the “Castle Nut” glued to the receiver. This glue bond between the receiver and “Castle Nut” is notorious for failing soon after you begin firing the rifle. Also, this adhesive bond must be broken to disassemble the receiver for cleaning and maintenance or to install aftermarket internal upgrades, and then must be reapplied for reassembly. Not to mention that it makes for an unreliable mounting point for the Quick Detach Single Point Sling Mount. Do not try to use glue to hold your rifle together! The combination of the Modified Castle Nut and the Performance Services Quick Detach Single Point Sling Mount will create a solid but easily removable attachment to the receiver of your rifle. The price for the Modified Castle Nut is $24.95 plus $8.95 expedited shipping and handling. Sales tax at 6.75% for Texas shipments only. Shipping and handling charges will be combined for multiple item orders.