GRAMBO Duck Call

Where it all started. The GRAMBO is one of our very first calls ever made, and it's still a go-to for a whole lot of hunters — a single reed J-Frame that's proven itself season after season.

There's nothing fancy about it, and that's the point. It's an honest, reliable single reed that blows easy and delivers that true J-Frame sound hunters have trusted from day one. Simple, dependable, and built the way we started building calls — no gimmicks, just a call that flat out works.  Whether you are wanting to hit the high notes on windy day with unideal elements, or getting that ducky bottom end sound to finish your birds on a pristine morning; this is the call for you

If you want proof that the classics hold up, the GRAMBO is it. Some calls come and go — this one's stuck around for a reason.

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WHY CHOOSE J-CO CALLS?

  • Faith & Family Centered

    We base our company reputation on our faith and family values. Without these two values, this company wouldn't be where it is today. We strive to guarantee the satisfaction of our customers, and will always treat you like family.

  • Top-Notch Quality

    Our duck and goose calls are made with some of the best materials in the whole industry. Our team goes beyond lengths to make sure our calls will hold up in all conditions and give the opportunity for successful hunts.

  • Years of Waterfowl  Experience

    Our team combines for over 50 years of waterfowl hunting experience.  Whether its fields or flooded timber, we have experienced it all.  That knowledge goes into the building and sounds of our calls, to give you the quality you deserve.