Replace your stock on your Tikka T3, Remington 700 or one of many other bolt action rifles with our tactical chassis!
Our LSS Chassis was designed for use with short barrelled bolt action rifles. It converts your rifle to an external box magazine fed rifle, while improving accuracy, and giving the rifle superior ergonomics by allowing use of AR-15 butt-stocks and grips.
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 ONLY. Does not come with buttstock, grip, magazine, night vision hood, or any of the other accessories in photos.
Don’t forget to check out our ATP Limbsaver Recoil Pad and Adaptor for the MDT chassis/buttstocks at the following link, one of the best upgrades you can have for shooting comfort:
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
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:
Don’t forget to purchase your Castle nut wrench here: https://australiantacticalprecision.com.au/product/chassis-stocks/chassis-accessories/atp-ar15-carbine-butt-stock-castle-nut-wrench-tool/
THE MDT LSS GEN2 CHASSIS SYSTEM
Replace your factory rifle stock with the MDT LSS Gen2 Chassis System. This light and compact, tactical rifle chassis is designed to convert your rifle into an external box magazine fed system, capable of utilizing AR15 buttstocks and grips.
Simple drop-in installation means there’s no need to visit a gunsmith, swap out the factory rifle stock for this aftermarket stock in minutes.
V-BLOCK BEDDING
Our proven V-Block bedding system provides the most rigid and reliable platform for mounting your rifle action, eliminating the need for traditional bedding. Each MDT Chassis is created for your specific rifle action, giving you the ultimate in form, fit and function.
FREE FLOATING BARREL
Your barrel, after placing your action into an MDT Chassis, does not touch the chassis at any point along its length. This ensures that it is free to move naturally during the shot without any interference from the rifle stock, creating a much more consistent and accurate rifle.
AICS MAGAZINE COMPATIBLE
Converts your rifle into an AICS detachable box magazine system, allowing the use of all AICS compatible magazines. An ambidextrous magazine latch and side-relieved magazine well ensure reliable and consistent use.
CARBINE/COLLAPSIBLE BUTTSTOCK INTERFACE
The compact and modular MDT LSS Gen2 Chassis System is compatible with any AR15 carbine/collapsible buttstock. Can also be used with the MDT Folding Stock Adapter for a folding buttstock option.
FULL M-LOK FOREND
Attach a wide variety of aftermarket accessories, with 3 faces of M-LOK spanning the 6.75″ – 8″ (depending on action size) LSS Gen2 Chassis forend.
AR15 GRIP COMPATIBLE
Grip ergonimics are important, the MDT LSS Gen2 Chassis System is comaptible with AR15 grips ensuring that you will find the perfect fit.
TECHNICAL SPECIFICATIONS
- MATERIAL – CNC Machined from 6061-T6 Aluminum
- FINISH – Cerakote Elite Black or FDE
- WEIGHT – 1.4 – 1.6lb (depending on model)
- MAX BARREL DIAMETER – Up to 1.25″
- MAGAZINE COMPATIBILITY – AICS pattern magazines (most models)
- BUTTSTOCK INTERFACE – AR15 Carbine/Collapsible interface
- GRIP COMPATIBILITY – AR15 style grips
- FOREND – 6.75″ – 8″
- OTHER – Full M-LOK forend / Barricade stop
WHAT YOU GET, AND WHAT YOU NEED
The LSS Gen2 chassis system comes as a 1-piece chassis, with all required mounting hardware included. This includes new action screws, and a screw for the pistol grip.
To complete this chassis on your rifle, the additional items you need to purchase are:
- Any standard chassis buttstock.
- A buffer tube for your buttstock. (Both mil-spec and commercial work on our chassis) NOTE: If you purchase an MDT buttstock this includes the buffer tube so you won’t need to purchase an additional one.
- An AR15 Pistol Grip.  For fixed interface chassis, a grip without a beavertail, or with a soft (bendable) beavertail must be used.
- At least one magazine
IMPORTANT NOTES
HOWA 1500 / WEATHERBY VANGUARD SHORT ACTIONS
This is the only action that we manufacture a chassis for that has a flat bottom action. For this reason, only MDT Polymer magazines and MDT Poly Metal magazines will work. The fitting may need to be modified slightly for proper feeding. For .223 models the bolt stop may be too long. This can easily be modified. This also means that the action does not sit in a V-Block.
SAVAGE MODELS 10/110 11/111 12/112 16/116
For rifles with the bolt release at the bottom, the bolt release can be engaged through the side of the chassis, using a pin or tool. (Not included)
SAVAGE LONG ACTION IN 338 LAPUA MAGNUM
Savage Long Action Chassis systems all use 3.715″ AICS magazine wells. The BA 110 in 338 Lapua Magnum uses 3.850″ magazines and have recently switched to a thicker recoil lug which will not fit our chassis. We have released a version of the ESS which is specifically designed around the current BA 110 in 338 Lapua Magnum.
TIKKA T3 / T3X – LONG CALIBERS
Only our Metal 3.56 magazine will fit with the chassis for this action and needs to be purchased separately.
SAVAGE AXIS
The original recoil lug that comes with the rifle is required for installation into the chassis. On the Long Action, you will need to use 30.06 3.56 Magazine
RUGER AMERICAN
The action screw is located directly above the magazine lever. This means that the magazine lever needs to be installed AFTER installing the action into the chassis. Detailed instructions are provided, and an installation video can be found here.
Ruger American in 223/5.56mm requires the use of this magazine http://shopruger.com/556-NATO-10-Round-Magazine/productinfo/90458/Does not work with 300 Blackout
It will fit Predator and Ranch versions. Please read notes on magazines for 223/556 rifles.
RUGER M77 (SCOUT)
Drop- in for Ruger Gunsite Scout rifles only. Will not fit older Tang safety Ruger M77. Mark II and Hawkeye short action will bolt in, but modifications to the magazines and ejector may be required. Rifles with two- stage triggers will also require modifications to the chassis. The Ruger Gunsite Scout in 223/5.56mm requires the use of AICS compatible steel magazines made for the 223 cartridge.
DIMENSIONS
Dimensions shown in photos based on Remington 700 Short Action.
*Skeleton Carbine Stock shown is the 9.75″ Version
ACTION LIST
The MDT LSS Gen 2 chassis is available to fit the following actions:
- Howa 1500 & Weatherby Vanguard Short Action
- Howa 1500 & Weatherby Vanguard Long Action
- Howa Mini Action (uses OEM Howa Mini magazines)
- Remington 700 Short Action
- Remington 700 Long Action
- Remington Model 7
- Remington Model 783 Short Action (SA)
- Ruger American Short Action (AICS Magazines) Short Action
- Ruger M77 (Scout) Short Action
- Savage Short Action
- Savage Long Action
- Savage Axis Short Action (SA)
- Savage Axis Long Action (LA)
- Tikka T3 & T3x Short Action
- Tikka T3 & T3x Long Action
- Mossberg MVP 223 (uses AR15 magazines)
- Mossberg MVP 308 (uses AR10 magazines)
- Mossberg Patriot Short Action (SA)
- Mossberg Patriot Long Action (LA)
ATP is an authorised Australian dealer for MDT. All MDT products bought from ATP are covered by the Australian MDT Warranty.
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