SWAP. UPGRADE. CUSTOMIZE.
Your rifle evolves. Your setup should too.
The MDT LSS GEN3 Chassis was built to be modular, and that includes the back end. Whether you’re switching from a compact truck gun to a long-range setup—or just want to try a different feel—you can swap buttstock interfaces in minutes.
NOTE: This listing is for the LSS Gen 3 Buttstock Interface only, chassis body, buttstock and all other items in photo are not included.
Multiple variants:
- PICATINNY interface: Fits buttstocks that mount to the picatinny system
- XTN interface: Fits MDT buttstocks that use the XTN mounting system, ie. SRS-X. This buttstock interface is also available in a standard length and a short length.
- CARBINE interface: Fits MDT buttstocks and other brands that use the Carbine Buffer Tube mounting system ie. SCS, SCS-Lite, CCS.
- NOTE: The Ruger American and Ruger 10/22 Chassis Systems Require a special interface specifically made for these model, please make sure you select these special variants if you have any of the above actions.
Modular by design
LSS GEN3 makes it easy to change your setup
No re-zeroing
Swap the back end without pulling your barreled action
Built to last
Machined aluminum with precision fitment
Specifications
- COMPATIBILITY: These buttstock interfaces are made exclusively for the MDT LSS GEN3 Chassis
- Material: 6061 aluminum, Cerakote finish
ATP is an authorised Australian dealer for MDT. All MDT products bought from ATP are covered by the Australian MDT Warranty.



























