Item #:
616054072261
UPC: #:
616054072261
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MDT LSS Gen3 Chassis System Black Remington 700 Long Action Stock

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The MDT LSS Gen3 Chassis System transforms any Remington 700 long action into a precision platform capable of sub-MOA accuracy. This aluminum chassis stock eliminates the inconsistencies of traditional bedding while providing the adjustability competitive shooters and precision rifle enthusiasts demand.

What Makes This Different

Unlike factory stocks that require custom bedding work, the LSS Gen3 features a CNC-machined aluminum bedding block that provides consistent barrel harmonics shot after shot. The modular design accepts standard AR-15 pistol grips and buttstocks, allowing shooters to customize ergonomics without compromising structural integrity. Independent testing shows 40% improvement in group consistency compared to factory synthetic stocks.

Key Features

  • CNC-machined 6061-T6 aluminum construction for maximum rigidity
  • Compatible with Remington 700 long action (standard and magnum)
  • Accepts AR-15 pistol grips and commercial buffer tube assemblies
  • Integrated 20 MOA Picatinny rail for long-range optics mounting
  • Tool-free length of pull adjustment from 12.5" to 15.5"
  • AICS-pattern magazine compatibility for reliable feeding
  • Type III hard coat anodized finish resists corrosion and wear
Field testing demonstrates exceptional performance across temperature extremes from -20°F to 120°F without point of impact shift. The rigid aluminum construction maintains zero through transport and handling that would affect traditional stocks. Competition shooters report improved consistency in prone, sitting, and supported positions due to the enhanced stability and repeatable cheek weld.

Technical Specs

  • Material: 6061-T6 aluminum with hard coat anodizing
  • Weight: 2.8 lbs (chassis only)
  • Length: 14.5" (without buttstock assembly)
  • Action compatibility: Remington 700 long action
  • Magazine system: AICS-pattern detachable box magazines
  • Rail system: Integral 20 MOA Picatinny rail
  • Grip compatibility: Standard AR-15 pistol grips
  • Stock compatibility: Commercial AR-15 buffer tubes and stocks
  • Finish: Matte black Type III hard coat anodized
  • Country of origin: Canada
The LSS Gen3 represents the intersection of precision engineering and practical functionality for serious rifle work. MDT's reputation for manufacturing consistency ensures each chassis meets the same exacting tolerances that have made them the choice of military and law enforcement precision rifle programs worldwide.