• Single-stage captured buffer-and-spring design
  • Quieter operation — eliminates the spring/tube contact noise
  • Smoother recoil impulse vs. a loose-spring carbine setup
  • Trimmable main spring — reduce weight at 0.25 lbs per coil, max 12 coils

Full details and secure checkout: https://3crtactical.com/armaspec-sound-mitigation-buffer-smb-c-carbine-gen3-363506/?utm_source=armslist&utm_medium=referral&utm_campaign=listing