Item #:
616054072179
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616054072179
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MDT LSS Gen3 Chassis System - Remington 700 Long Action FDE

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The MDT LSS Gen3 Chassis System transforms standard Remington 700 long action rifles into precision tactical platforms. This flat dark earth chassis provides enhanced ergonomics, modularity, and accuracy potential for competitive shooters and precision rifle enthusiasts. Built with aerospace-grade aluminum construction, the LSS Gen3 offers a significant upgrade over traditional synthetic stocks.

What Makes This Different

The LSS Gen3 features a full aluminum bedding system that eliminates flex and provides consistent barrel harmonics shot after shot. Unlike traditional stocks that can shift under stress, this chassis maintains zero through temperature changes and heavy use. The modular design accepts standard AR-15 grips and buttstocks, allowing shooters to customize length of pull and cheek height. The integrated rail system provides 20 MOA of built-in cant for extended range shooting.

Key Features

  • CNC-machined 6061-T6 aluminum construction for maximum rigidity and durability
  • Compatible with Remington 700 long action receivers (7mm Rem Mag, .300 Win Mag, .338 Lapua)
  • Accepts standard AR-15 pistol grips and adjustable buttstocks
  • Integrated 20 MOA Picatinny rail with additional accessory mounting points
  • Tool-free barrel removal system for easy maintenance and transport
  • AICS magazine compatibility for reliable feeding
  • Flat Dark Earth Cerakote finish for corrosion resistance
Field testing demonstrates improved accuracy potential over factory stocks, with many users reporting sub-MOA groups at extended ranges. The rigid platform reduces harmonic interference that can affect precision, while the adjustable components allow proper fit for various shooting positions. Weather-sealed construction maintains performance in harsh conditions, from competition ranges to hunting environments. The quick-detach barrel system enables compact transport without affecting zero retention.

Technical Specs

  • Material: 6061-T6 aluminum with Cerakote finish
  • Weight: Approximately 4.2 pounds (chassis only)
  • Length: 14.5 inches (without buttstock)
  • Rail: Full-length Picatinny with 20 MOA cant
  • Magazine: AICS pattern compatibility
  • Grip: AR-15 pattern (not included)
  • Buttstock: AR-15 commercial spec tube (not included)
  • Country of Origin: Canada
The LSS Gen3 represents a proven upgrade path for precision rifle builds, combining manufacturing quality with practical field features. This chassis system delivers the foundation needed for consistent long-range performance while maintaining the reliability expected from MDT products.