Innovative Arms Grunt 5.56

AR Suppressor

* Required Fields



Innovative Arms

The Grunt® is compact and lightweight. The patented one piece core is machined from billet bar stock and has no internal welds. The GRUNT is direct-thread on in 1/2 x 28 and is full auto rated on barrels down to 10″. It also features wrench flats that allow easy pin and weld for short barrels and is available in Black, OD Green or Flat Dark Earth. 

*The GRUNT is also available with an Exoskeleton Shroud. * The Exoskeleton™ Shroud gives many advantages, it also works as a heat sink and gives added grip when mounting the suppressor to the rifle.

the GRUNT can be fired “wet” or “dry”.

Do not use a crush washer in conjunction with any Innovative Arms silencer.


  • Caliber: 5.56mm
  • Length: 6.25"
  • Diameter: 1.5"
  • Weight: 17.5oz
  • Thread Pitch: 1/2x28
  • Material: Stainless Steel
  • Finish: Black, OD, FDE
  • DB Reduction: 32-35 dB Dry
  • Full Auto Rated: Yes
FFL Restrictions

FFL/SOT Requirements This item can only be shipped to a Licensed Federal Firearms/Special Occupational Tax Dealer.  Please our firearms shipping policy 

Export Restrictions

Government Export Restriction This item may be regulated for export by the U.S. Department of State or the US Department of Commerce. Please see our Export Policy.

ITAR Restrictions

ITAR Product By adding to cart, I understand, acknowledge, and agree to the Export Policy. I am a US Person, and I do not intend to export this product.  Please see our Export Policy.

Additional Info

Additional Info

Manufacturer Innovative Arms
Model No


Write Your Own Review

You're reviewing: Innovative Arms Grunt 5.56