IA Grunt 5.56

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, FDE, Burnt Bronze, or Brushed Stainless. The Grunt is rated for .22-250, and is available with our patented Exoskeleton Shroud. Click the tabs below for more information, including pricing, customer reviews and how to order.

For the most compact size check out the GRUNT-M (mini).

GRUNT 5.56
Caliber: 5.56mm
Weight: 17.5oz
Length: 6.25”
O.D: 1.5″
Material: Stainless Steel
Finish: Black, OD Green, FDE, Burnt Bronze, or Brushed Stainless
TPI: 1/2 x 28
DB Reduction: 32-35 Dry
FULL AUTO RATED

The Grunt is rated for .22-250.

MSRP: $599

GRUNT 5.56 with Exoskeleton
Caliber: 5.56mm
Weight: 18.8oz
Length: 6.25”
O.D: 1.5″ /1.58″ Exoskeleton
Material: Stainless Steel
Finish: Black, OD Green, FDE, Burnt Bronze, or Brushed Stainless
TPI: 1/2 x 28
DB Reduction: 32-35 Dry
FULL AUTO RATED

The Grunt is rated for .22-250.

MSRP: $649

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

As with all our silencers, the GRUNT can be fired “wet” or “dry”. Do not use a crush washer in conjunction with any Innovative Arms silencer.

*Requires specially licensed dealer. Please check with your FFL to ensure they can accept a silencer for transfer prior to making your purchase. All NFA rules apply. Please visit ATF.gov for more information.