The MDT LSS GEN3 Base is where customization begins. This stripped-down chassis gives you the essential core, allowing you to build your rifle exactly how you want it. Whether you’re setting up for competition, hunting, or tactical use, the LSS GEN3 Base is your starting point for a precision build.
Select your rifle variant from the drop down list. SA is Short Action, LA is Long Action. RH is for Right Handed, LH is for Left Handed.
NOTE: This listing is for the Chassis body/base ONLY it is NOT a complete chassis. It does not come with buttstock, buttstock interface, forend, grip, magazine, or any of the other accessories in photos.
The LSS Gen 3 is a modular system, in addition to this Chassis Base you will need: Forend, Buttstock Interface, Buttstock, Grip, Magazine. These are all sold separately, please see below links.
Forends are available here:
Buttstock Interfaces are available here:
Buttstocks are available here:
Carbine:
https://www.australiantacticalprecision.com.au/products/mdt-skeleton-carbine-stock
https://www.australiantacticalprecision.com.au/products/mdt-composite-carbine-butt-stock-ccs
XTN:
Non-Folding
Folding
Grips are available here:
https://australiantacticalprecision.com.au/product/chassis-stocks/grips/mdt-overmolded-pistol-grip/
Magazines are available here:
https://australiantacticalprecision.com.au/shop/chassis-stocks/magazines/
M-LOK accessories are available here:
NOTE: MDT also sell the Gen 3 as a complete kit, we do not do this as we believe you should be able to choose your components so that it is perfect for you, but if you are interested in their complete kits then the following are the components you will need to build one:
The Competitor Kit:
- LSS GEN3 Chassis body
- Vertical Grip – Elite
- XTN Buttstock Interface
- Competition Forend
- SRS-X Lite Buttstock
The Tactical Kit:
- LSS GEN3 Chassis body
- Pistol Grip – Elite
- Carbine Buttstock Interface
- Tactical Forend
- SCS Buttstock
The Worker Kit:
- LSS GEN3 Chassis body
- Pistol Grip – Elite
- Carbine Buttstock Interface
- CCS Buttstock
MODULAR AT ITS CORE
Start with the LSS GEN3 Base and add your choice of forend, buttstock interface, buttstock, and grip to fit your needs.
AN UPGRADE PATH LIKE NO OTHER
The LSS GEN3 Base is just the beginning. Want to go from a lightweight hunting rifle to a fully weighted competition rig? Swap out the forend, and add some weights. Need a different buttstock for better ergonomics? Just attach a new one. With support for multiple forends, buttstock interfaces, and accessories, you can evolve your rifle as your needs change. One chassis, endless possibilities.
SIMPLE DROP-IN INSTALLATION
No gunsmithing required—just drop in your barreled action, secure it, and you’re good to go.
NO RE-ZEROING
Change parts without pulling your action. Keep your zero, save time.
LIGHTWEIGHT & STRONG
Built from 6061 aluminum with a durable Cerakote finish, the LSS GEN3 Base balances strength and weight.
Features:
- Core chassis only: add your own forend, buttstock interface, buttstock, and grip
- AICS magazine compatible
- Supports Carbine, XTN, and Picatinny buttstock interfaces (sold separately)
- Side panels installed on the chassis base
Specifications
- Dimensions: 13.09” x 1.61” x 2.3”
- Forend Length (from recoil lug pocket): 5.6”
- Weight: 1.36lbs (22oz)
- Material: 6061 aluminum, Cerakote finish
What You Get
- LSS GEN3 Chassis body
- Trigger guard
COMPATIBILITY
- CZ 457 – Requires OEM CZ 457 Rimfire Magazines
- Howa 1500 / Weatherby Vanguard – Short Action– Only works with MDT Polymer Magazines – No V-block due to the flat bottom action
- Howa 1500 / Weatherby Vanguard – Long Action– No V-block due to the flat bottom action
- Howa Mini Action (uses OEM Howa Mini magazines)
- Remington 700 & Bergara B-14 Short Action
- Remington 700 & Bergara B-14 Long Action
- Ruger M77 Scout Rifle Short Action (uses factory magazines)
- Savage Axis – Short Action
- Savage Long Action, Models 110, 111, 112 and 116 (uses 3.850″ CIP length Magazines)
- Savage Short Action, Models 10,11,12 and 16
- Tikka T1x – Requires OEM T1x Rimfire Magazines
- Tikka T3 / T3x Short Action
- Tikka T3 / T3x Long Action – Requires MDT 3.56″ Magazines
ATP is an authorised Australian dealer for MDT. All MDT products bought from ATP are covered by the Australian MDT Warranty.
