// Firearms · M4 Short Stroke Piston

M4 Short Stroke Piston Series

Short-stroke piston rifles and pistols — our most sought-after line — including the SOT Enhanced CAR816E and the SOT QUATTRO-816 on the Desert Tech Quattro-15 lower.

// Models

Model line-up coming soon

Models, specifications and pricing for the M4 Short Stroke Piston Series are being finalized and will be published here.

  • Piston
  • CAR816E
  • QUATTRO-816

Why choose it

  • Short-stroke piston operation
  • HM Defense HMB™ bolt on the Enhanced CAR816E
  • Laser-engraved caliber markings and arrow-indexed cam pin
  • QUATTRO rifle and pistol in carbine and VLTOR A5 configurations

// Questions

Talk to us about this series

Tell us what you need and we will help you choose the right configuration.

Monobloc® and HMB™ are marks of HM Defense, LLC, used under license. Other product names are marks of their respective owners.

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