MDT LSS GEN3 Chassis Base - Left Handed

The MDT LSS GEN3 Chassis Base - Left Handed is a rifle stock and chassis component from MDT (Modular Driven Technologies), makers of precision rifle chassis systems, stocks and accessories. Available by action (Ruger American SA, Tikka T3/T3x SA, Remington 700 SA); colour (FDE, Black).

The Foundation Of Your Build

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.

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.

Key Features

• Core chassis only
• Aics magazine compatible
• Supports xtn, carbine, picatinny interfaces
• Removable polymer side panels on forend

Specifications

• Action options: Ruger American SA, Tikka T3/T3x SA, Remington 700 SA
• Colour options: FDE, Black

Compatibility

Tikka T3/T3X Short Action: Tikka T3x Arctic, Tikka T3x Battue Lite, Tikka T3x Compact, Tikka T3x CTR, Tikka T3x Forest, Tikka T3x Hunter, Tikka T3x Laminated Stainless, Tikka T3x Lite, Tikka T3x Lite Roughtech, Tikka T3x Lite Veil, Tikka T3x Sporter, Tikka T3x Super Varmint, Tikka T3x Superlite, Tikka T3x Tact A1, Tikka T3x UPR, Tikka T3x Varmint

Tikka T3/T3X Long Action: T3x Battue Lite, T3x Forest, T3x Hunter, T3x Laminated Stainless, T3x Lite, T3x LITE ROUGHTECH, T3x LITE SUPERLITE

Tikka T1X: Tikka T1x Hunter, Tikka T1x MTR, Tikka T1x UPR, Uses factory rimfire magazines

Tikka T3/T3X Short Action - Left Handed: Tikka T3/T3X Compact Tactical Rifle (CTR), Tikka T3/T3X Hunter, Tikka T3/T3X Lite, Tikka T3/T3X Lite Roughtech, Tikka T3/T3X Lite Veil, Tikka T3/T3X Sporter, Tikka T3/T3X Superlite, Tikka T3/T3X TACT A1 (requires full removal of factory chassis), Tikka T3/T3X Varmint

Howa 1500 Short Action: Howa 1500 American Flag Chassis, Howa 1500 Carbon Flag Chassis, Howa 1500 Carbon Elevate, Howa 1500 Carbon Fiber, Howa 1500 Caron Stalker, Howa 1500 Gamepro 2.0, Howa 1500 Hogue, Howa 1500 H-S Precision, Howa 1500 Hera, Howa 1500 TSP-X, Weatherby Vanguard Badlands, Weatherby Vanguard Camilla, Weatherby Vanguard Camilla Wilderness, Weatherby Vanguard Compact Hunter, Weatherby Vanguard First Lite Specter, Weatherby Vanguard Spike Camp, Weatherby Vanguard Sporter, Weatherby Vanguard Synthethic, Weatherby Vanguard Synthetic Compact, Weatherby Vanguard Synthetic Green, Weatherby Vanguard Talon, Weatherby Vanguard Talus, Weatherby Vanguard, Weather Guard Bronze, Weatherby Vanguard Bass Pro shops and Cabela's, Weatherby Vanguard Sportsman Warehouse, Weatherby Vanguard First lite Cipher, Weatherby Vanguard Hush Edition, Weatherby Vanguard Laminate Sporter, Weatherby Vanguard Obsidian, Weatherby Vanguard Outfitter, Mag Length: Polymer Short Action AICS Pattern

Howa 1500 Long Action: Howa 1500 Carbon Stalker, Howa 1500 Hogue Gamepro 2.0, Howa 1500 Houge Rifle, Howa 1500 Traditional Walnut, All Weatherby Vanguard LA Variants, Mag Length: Long Action 3.715"

Howa Mini: How Mini Action Full Dip, Howa Mini Action Rifle, How Mini EXCL Lite, Uses factory magazines

Ruger American Short Action: Ruger American GEN Standard, Ruger American GEN2 Ranch, Ruger American GEN2 Predator, Ruger American Standard, Ruger American Predator, Ruger American Ranch, Ruger American Go Wild Camo I-M Brush Stock, Ruger American Rifle Hunter, Ruger American Rifle Compact, Ruger American Rifle With Vortex Crossfire II Scope, Ruger American Hawkeye Hunter, Ruger American Hawkeye Long-Range Hunter, Ruger American Hawkeye Long-Range Target, Ruger American Hawkeye Predator, Ruger American Hawkeye Compact, Ruger American Hawkeye Laminate Compact

Ruger American Long Action: Ruger American Gen 2 Standard, Ruger American Gen 2 Ranch, Ruger American Gen 2 Predator, Ruger American Rifle with Vortex Crossfire II Scope

Ruger 10/22: Ruger 10/22 Carbine, Ruger 10/22 Carbon Fiber, Ruger 10/22 Sporter, Ruger 10/22 Competition *requires removal of rear tang*, Ruger 10/22 Target, Ruger 10/22 Tactical, Ruger 10/22 Compact, Dlask Arms TUF22, Kidd Aftermarket Classic Slip Fit, Kidd Aftermarket Supergrade, Spectre Ballistics C-71, Volquartsen with traditional locking block with serial number prefixes VXL, SL, FT and VT, Spectre Ballistics ST-22 *Charging handle may have limited access*, Spectre Ballistics C-71 Precision 12, Spectre Ballistics C-71 Precision 16, Spectre Ballistics C-71 Sport 16, Spectre Ballistics ST-22 Precision 12 *Charging handle may have limited access*, Tactical Innovations Elite22D, Tactical Innovations Elite22

Ruger American Ar Short Action: Mag Length: AR15

Ruger M77 Short Action: Ruger Scout Rifle

Cz 457: CZ 457 American, CZ 457 American Synthetic Suppressor-Ready, CZ 457 Jaguar

Cz 457 Lux: CZ 457 Premium, CZ 457 Pro Varmint Suppressor-Ready, CZ 457 Royal, CZ 457 Scount, CZ 457 Varmint, CZ 457 Varmint AT-ONE, CZ 457 Varmint MTR, CZ 457 Manners MTR, CZ 457 Chassis, Uses factory rimfire magazines - Use 18" or longer barrel

Dimensions: 13.09” x 1.61” x 2.3”

Forend Length: 5.6”

Weight: 1.36lbs (22oz)

Materials: 6061 aluminum, Cerakote finish

What You Get: LSS GEN3 Chassis Body, Trigger Guard

Included Hardware: Action Screws: 2x 1/4in-28 x 1in Socket Head Cap Screw