Picatinny Side Rail for HS3 (2-pack)

Accessory rails designed for the MDT HS3 chassis series.



MDT’s Picatinny side rails for HS3 have been specifically designed for our Hunter/Sniper chassis series. They come in a pair of 6.5” rails which also feature an integral QD flush cup sling mount. They are machined from 6061-T6 aluminum, then hard-anodized black for a durable finish. These rails are designed to be installed overtop of the HS3 polymer side panels and are a reliable addition to the MDT HS3 chassis system when it comes to customizing your rifle with various accessories.


  • MIL-STD-1913 & STANAG 4694 spec rails
  • CNC machined from 6061-T6 aircraft grade aluminum
  • Mil-Spec Type III hard anodized
  • Contoured for snag-free operation
  • QD flush cup sling mount
  • Screw spacing is 1.6” center to center
  • 6.5" length
  • Height 9.4mm (0.370”) once installed

Hardware Included

  • 10/24 flat head screws in ⅝” length


MDT’s Picatinny side rails for HS3 are strictly meant to be used with our Hunter/Sniper chassis system.