OSS Helix-QD 762 Suppressor

Manufactured by OSS Suppressors
SKU: OSS-1542
MPN: OSS-1542
Manufactured by OSS Suppressors
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Standard orders will ship out 2 business days if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.

Items that are regulated by the ATF and NFA have restrictions and requirements: •Your Entire Order will ship only to a Federal Firearm License holder •NFA restricted items require class 3 licensing and documentation •A copy of your order/invoice as well as the current FFL License for your local dealer must be emailed to ffl@primaryarms.



OSS Suppressors took the traditional baffle style suppressors and threw them out the window. With their line of suppressors, they use a flow-through design that more resembles a turbine to slow down hot expanding gasses over a longer period of time than baffles do. This offers many benefits like less gas blowback into the action, a cooler running suppressor, and a longer service life all while still reducing decibels levels dramatically. The Helix-QD 762 is full auto rated up to 5.56 and is capable of being used on rifles up to 300 Winchester Magnum. The internals are made from a mix of 17-4 PH Stainless Steel and Grade 5 Titanium while the external sleeve is made from 17-4 PH Stainless Steel, black Cerakote finished, and fully welded to the internal structure. If you are looking for the suppressor of the future, you can't go wrong with the OSS Helix-QD 7.62.

  • Compatible with OSS QD muzzle devices 5.56/7.62
  • Patented flow-through technology
  • Less gas blow back
  • Runs cooler than traditional baffle cans
  • Full auto rated up to 5.56
  • Rated for 300 WM
  • 17-4 Stainless deflectors with Grade 5 Titanium coils
  • 17-4 Fully welded stainless body
  • Black Cerakote finish
  • Weight: 19.3 oz.
  • Length: 7.2 in.
  • Diameter: 1.6 in.

Decibel Levels at Shooter's Ear:
  • 134 – 138 decibels (20” Remington 700 Rifle using commercial grade 150 gr ammo)
  • 133 – 137 decibels (16” AR15 DI using commercial grade 55 gr ammo)
  • 138 – 140 decibels (16” 7.62 AR15 DI using commercial grade 150 gr ammo)
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Baffle MaterialStainless Steel / Titanium
Body Material17-4 PH Stainless Steel
BrandOSS Suppressors
Caliber Gauge.30 Cal
Diameter1.6 in.
User ServiceableNon-Serviceable
Weight19.3 oz.

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