Terra Firma Tackle Big Bait Casting Shark Fishing Rig (IRS Rig)
The IRS rig is designed for sharks that tend to bite through standard strength rub leaders. Combining the Pulley Rig and Loop Rig concepts, this setup features a 9-foot long cable leader that folds down to just 3 feet plus loop for easier casting.
Key Features
- Heavy coated stainless steel cable construction
- High carbon and inline circle hooks (legal in all states)
- Oversized ball bearing swivels
Specifications
| Component | Strength |
|---|---|
| Cable | 600lb |
| Test Cable | 210lb |
| Leader Length (Extended) | 9 feet |
| Leader Length (Folded) | 3 feet + loop |
Note: This rig is designed to work with Terra Firma Tackle Universal Grip Attachments and their integrated bait clip, or with compatible third-party bait clips sold separately.
FAQ
What is the difference between the IRS rig and standard fishing rigs?
The IRS rig uses a combination of pulley and loop rig concepts to reduce leader abrasion and prevent shark bites through weak rub leaders. It features a 9-foot extended leader that folds down to 3 feet for easier casting, with high-strength stainless steel cables and inline circle hooks.
Is the hook legal in all U.S. states?
Yes, the inline circle hook used in this rig is legal in all U.S. states.
Can I use this rig with my own bait clip?
Yes, the rig is compatible with third-party bait clips. However, it is designed to work best with Terra Firma Tackle Universal Grip Attachments and their integrated bait clips.




Alexandra Chapman –
This rig has proven effective in deep water shark encounters. The 600lb cable holds up well under heavy bites, and the folded leader makes casting much easier. The inline circle hook is reliable and stays in place during reeling.
Kimberly Ogden –
I’ve used this rig on multiple trips to coastal areas. The ball bearing swivels reduce friction and the loop design helps with casting accuracy. It’s durable and performs better than standard rigs when facing aggressive fish.
Warren Ellison –
The heavy coated cable resists abrasion even after repeated use. I noticed less line wear compared to other rigs I’ve tried. The 210lb test cable provides a good balance between strength and sensitivity.