Item #:
616054072131
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616054072131
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MDT LSS Gen3 Chassis Black Remington 700 Long Action Stock System

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The MDT LSS Gen3 Chassis transforms the Remington 700 long action into a precision rifle platform with enhanced ergonomics and modularity. This aluminum chassis system provides a stable foundation for competitive shooting and long-range applications while maintaining compatibility with standard Remington 700 barreled actions.

What Makes This Different

The LSS Gen3 features a modular design that allows shooters to customize length of pull, cheek height, and accessory mounting without gunsmithing. Unlike traditional stocks, this chassis accepts standard AR-15 grips and buttstocks, providing unlimited customization options. The aluminum construction offers consistent performance across temperature variations while adding only minimal weight to the rifle system.

Key Features

  • 6061-T6 aluminum construction for dimensional stability and durability
  • Accepts standard AR-15 pistol grips and carbine buffer tubes
  • Integrated Picatinny rail sections for bipods and accessories
  • Adjustable cheek riser with tool-free height adjustment
  • AICS magazine compatibility for reliable feeding
  • Bedding block system ensures consistent barrel harmonics
  • Ambidextrous sling attachment points
Field testing demonstrates improved consistency over factory stocks, with many users reporting tighter groups and enhanced shooter comfort during extended sessions. The chassis excels in competitive environments where quick position changes and accessory mounting are essential. Weather resistance testing shows no point-of-impact shift across temperature ranges from -20°F to 120°F.

Technical Specs

  • Material: 6061-T6 aluminum with Type III hard coat anodizing
  • Weight: Approximately 3.2 pounds (chassis only)
  • Length of pull: Adjustable 12.5" to 15.5" with standard carbine stocks
  • Magazine compatibility: AICS short and long action patterns
  • Rail sections: M-LOK and Picatinny mounting options
  • Finish: Black hard coat anodized
  • Compatibility: Remington 700 long action (standard and magnum)
  • Country of origin: Canada
The LSS Gen3 represents a significant upgrade for shooters seeking enhanced performance from their Remington 700 platform. Professional gunsmiths recommend this chassis for its ease of installation and proven track record in competitive shooting disciplines.