MDT LSS Gen3 Chassis Base, Savage SA

• Modular Gen3 chassis architecture: The MDT LSS Gen3 uses a separate chassis base with interchangeable handguard and buttstock interfaces, making it easier to configure the rifle for hunting, general range use, competition, or tactical roles without replacing the entire system.
• Zero-preserving component changes: The LSS Gen3 platform is designed so handguards and buttstocks can be changed without affecting rifle zero, which helps maintain confidence in the rifle after reconfiguration.
• AICS magazine compatibility: Support for AICS-pattern magazines gives this chassis broad magazine availability and a proven detachable-box format that suits both practical field use and structured shooting disciplines.
• AR-style grip compatibility: Compatibility with AR-15 style grips and MDT pistol grips lets the rifle be tailored to hand size, shooting position, and trigger reach for better comfort and control.
• Lightweight aluminium construction: At 998.00 g, the aluminium chassis keeps the rifle rigid and durable while avoiding unnecessary bulk, which is useful on a hunting rifle and still stable enough for supported shooting.

About the MDT LSS Series

The MDT LSS series is a modular rifle chassis family built around the idea that one rifle can serve several roles when the supporting furniture is easy to change. With the LSS Gen3 system, MDT moved to an action-mating chassis base combined with interchangeable handguards and buttstock interfaces, creating a platform that can be adapted for competition, hunting, tactical applications, and general shooting. That approach places the LSS line as a flexible option within MDT’s chassis range for shooters who want a compact core system and the freedom to build around it.

A defining characteristic of the series is that handguards and buttstocks can be changed without affecting rifle zero, which is especially useful for shooters who use the same action in different configurations. The series also accepts AR-style grips and uses an ambidextrous magazine latch, reinforcing its focus on practical ergonomics and broad user compatibility. MDT offers dedicated Competition, Hunting, and Tactical forends for the platform, so the LSS series is less about a fixed stock shape and more about giving the shooter a stable chassis foundation that can be tuned to a specific task.

About the MDT LSS Gen3 Chassis Base, Savage SA

The MDT LSS Gen3 Chassis Base, Savage SA is the core of a modular rifle build for Savage short action rifles. Rather than locking the rifle into one stock format, it provides the rigid aluminium interface that mates the action to the rest of the LSS Gen3 system. That makes it well suited to shooters who want one rifle to move between field use, range work, and more structured precision shooting. Its 322.00 mm overall length and 998.00 g weight keep the base compact and manageable, which is helpful when building a rifle that needs to remain portable without giving up the stability benefits of a chassis.

This model is designed around practical compatibility. It accepts AICS magazines, a widely used detachable-box format that supports fast reloads and straightforward magazine sourcing. It also works with AR-15 style grips and MDT pistol grips, allowing the shooter to choose grip angle and shape to better suit prone, bench, or improvised field positions. The chassis accommodates a maximum barrel diameter of 31.75 mm, giving room for heavier-profile barrels often chosen for accuracy-focused rifles. Because it is part of the LSS Gen3 system, it can be paired with different forend and buttstock options to match the rifle’s role while preserving the same action-mounted base. For a Savage SA owner, that means the rifle can be configured with a more hunting-oriented or more tactical layout without replacing the central chassis structure.

About MDT

MDT Sporting Goods was established in 2009 and began in Chilliwack, British Columbia, Canada. The company designs, manufactures, and sells rifle chassis systems, magazines, buttstocks, and accessories for target shooting and hunting, with its head office remaining in British Columbia. MDT’s product range covers chassis, stocks, magazines, bipods, scope bases, and scope rings, reflecting a strong focus on the supporting hardware around precision rifles.

MDT identifies the TAC21 as its first chassis, and the company states that its chassis, magazines, and accessories are developed with input from competitive precision shooters. That background is relevant to the LSS Gen3 platform, which combines modularity with practical rifle fit and magazine compatibility. In the precision rifle space, MDT is particularly known for chassis systems that bridge field use and match-oriented ergonomics.

Main Features

• Manufacturer: MDT
• Series: MDT LSS
• Made in: Canada
• In production since: 2025
• Material: Aluminium
• Weight: 998.00 g
• Length: 322.00 mm
• Min. Forend Length: 142.00 mm
• Max. Forend Length: 142.00 mm
• Max. Barrel Diameter: 31.75 mm
• Foldable: No
• Application: Competition, General, Hunting, Tactical
• Magazine Compatibility: AICS Magazine Compatible
• Grip Compatibility: AR-15 Style Grips, MDT Pistol Grips

Warranty

MDT covers this chassis with a 2-year warranty. This stated period applies to the product and gives clear time-based coverage rather than an open-ended warranty description.