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.
ORYX Chassis System
Regular price
$449.99 USD
ACC Premier GEN2 Chassis Base
Regular price
$699.99 USD
LSS Gen3 Chassis Base
Regular price
$499.99 USD
Shipping
Returns
Pairs well with
THE FOUNDATION OF YOUR 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.
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.
CORE CHASSIS ONLY
AICS MAGAZINE COMPATIBLE
SUPPORTS XTN, CARBINE, PICATINNY INTERFACES
REMOVABLE POLYMER SIDE PANELS ON FOREND
COMPATIBILTY
REMINGTON 700 SHORT ACTIOn
- Bergara B14
- Bergara B14r
- Bergara Premier
- Weatherby Model 307
- Remington Model 700 Alpha 1 Hunter
- Remington Model 700 SPS
- Remington Model 700 SPS Varmint
- Remington Model 700 Sendero SF II
- Remington Model 700 SPS Stainless
- Remington Model 700 Varmint SF
- Remington Model 700 SPS Tactical
- Remington Model 700 SPS Tactical Threaded
- Remington Model 700 CDL SF
- Remington Model 700 CDL
- Remington Model 700 BDL
- Remington Model 700 Long Range
- Remington Model 700 Magpul Enhanced
- Remington Model 700 ADL
- Remington Model 700 ADL Varmint
- Remington Model 700 VTR
- Bergara Premier MGLITE
- Bergara MGMICRO LITE
- Bergara Premier Divide
- Bergara Premier Canyon
- Bergara Premier Competition
- Bergara Premier HMR PRO
- Bergara B-14 Squared Crest
- Bergara B-14 Squared Crest Carbon
- Bergara B-14 HMR Carbon Wilderness
- Bergara B-14 Ridge Carbon Wilderness
- Bergara B-14 Wilderness HMR
- Bergara B-14 Wilderness Ridge
- Bergara B-14 Wilderness Terrain
- Bergara B-14 Wilderness Sierra
- Bergara B-14 Wilderness Hunter
- Bergara B-14 HMR
- Bergara B-14 Ridge
- Bergara B-14 Stoke
- Bergara B-14 Timber
- Bergara B-14 Hunter
- Bergara B-14R Steel
- Bergara B-14R Carbon
- Bergara The Sidekick
- Bergara M40-ISH
- Bergara Premier Mountain 2.0
- Bergara Premier Highlander
- All Remington 700 SA Clones
Mag Length: Short Action AICS Pattern
REMINGTON 700 LONG ACTIOn
- Bergara B14
- Bergara Premier
- Weatherby Model 307
- Most Remington 700 LA Clones
Mag Length: Long Action 3.850"
Savage SHORT ACTIOn
- Savage 110 Varmint
- Savage 110 Hunter
- Savage 110 Storm
- Savage 110 Predator
- Savage 110 Tactical
- Savage 110 Tactical Desert
- Savage 110 Long Range Hunter
- Savage 110 High Country
- Savage 110 Haymaker
- Savage 110 Bear Hunter
- Savage 110 Hog Hunter
- Savage 110 Lightweight Storm
- Savage 110 Classic
- Savage 110 Apex Hunter XP
- Savage 110 Apex Hunter XP Left-Hand
- Savage 110 Apex Hunter Muddy Girl
- Savage 110 Apex Storm XP
- Savage 110 Apex Predator XP
- Savage 11 Lady Hunter
- Savage 12 Long Range Precision
- Savage 12 BTCSS
- Savage 12 Varminter Low Profile
- Savage 12 BVSS
- Savage 110 Elite Precision
- Savage 110 Precision
- Savage 110 Carbon Tactical
- Savage 110 Carbon Tactical FDE
- Savage 110 Apex Hunter XP SR Poseidon
- Savage 110 Hunter XP
- Savage 110 Carbon Predator
- Savage 110 VT Hunter XP
- Savage 110 Trail Hunter
- Savage 110 KLYM
- Savage 110 Magpul Scout
- Savage 110 Magpul Scout FDE
- Savage 12 FV
- Savage 10 FP
- Savage 10 FP-SR
- Savage 10 FCP
- Savage 10 FCP HS Precision
- Savage 10 FCP McMillian
- Savage 10 FCP-K
- Savage 10 TR
- Savage 10 TR-SR
- Savage 12 VSS
- Savage 14 American Classic
- Savage 11 Hunter XP
- Savage 11 Hog Hunter
- Savage 11 Lightweight Hunter
- Savage 110 Ultralite
- Savage 110 Ultralite Camo
- Stevens 200
Mag Length: Short Action AICS Pattern
Savage AXIS SHORT ACTIOn
- Savage Axis Compact
- Savage Axis XP
- Savage Axis XP Compact
- Savage Axis XP Camo
- Savage Axis XP Compact Camo
- Savage Axis II XP
- Savage Axis XP FDE
- Savage Axis XP 4-12x40
- Savage Axis XP Compact 4-12x40
- Savage Axis Compact Muddy Girl
- Savage Axis XP Stainless
- Savage Axis II
- Savage Axis II Compact
- Savage Axis II XP
- Savage Axis II XP Stainless
- Savage Axis II XP Hardwood
- Savage Axis II XP Compact
- Savage Axis II XP Compact Muddy Girl
- Savage Axis II XP FDE
- Savage Axis II XP VSX Camo
- Savage Axis II SR FDE
- Savage Axis II XP Gray Stainless Steel
- Savage Axis XP FDE Web Compact
- Savage Axis XP Web
- Savage Axis XP Web Camo ODG
- Savage Axis II Bottomland Camo
- Savage Axis II XP Terra Gila Camo
- Savage Axis II XP SR HB
- Savage Axis II XP VSX Camo Compact
- Savage Axis II Bottomland Original
- Savage Axis II Stainless Steel
- Savage Axis II HB SR Wideland Compact
- Savage Axis II XP SR VSX Camo
Mag Length: Short Action AICS Pattern
Savage AXIS LONG ACTIOn
- Savage Axis XP
Mag Length: Long Action 3.560"
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
Mag Length: Short Action AICS Pattern
TIKKA T3/T3X LONG ACTION
- T3x Battue Lite
- T3x Forest
- T3x Hunter
- T3x Laminated Stainless
- T3x Lite
- T3x LITE ROUGHTECH
- T3x LITE SUPERLITE
Mag Length: Long Action 3.560"
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
Mag Length: Short Action AICS Pattern
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: 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 rimfire 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
Mag Length: Short Action AICS Pattern
RUGER AMERICAN LONG ACTION
- Ruger American Gen 2 Standard
- Ruger American Gen 2 Ranch
- Ruger American Gen 2 Predator
- Ruger American Standard
- Ruger American Go Wild Camo I-M Brush Stock
- Ruger American Rifle with Vortex Crossfire II Scope
Mag Length: Long Action 3.751"
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
- 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
Uses factory rimfire magazines
RUGER AMERICAN AR SHORT ACTION
- Ruger American Gen 2 Ranch
- Ruger American Gen 2 Predator
Mag Length: AR
RUGER M77 SHORT ACTION
- Ruger Scout Rifle
Mag Length: Short Action AICS Pattern
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
SPECIFICATIONS
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
