Grip · Made in Michigan
Brace Storage Plug
Our brace storage plug family turns the empty rear cavity of an SB Tactical brace into a sealed storage compartment for small range essentials like spare batteries or earplugs. Filling that cavity also stiffens the brace, cutting down the flex and wobble that SB Tactical brace users most often complain about compared to a traditional stock.
Each plug is model-specific, so the only real choice is matching the plug to your brace: SBA3, SBA4, SBA5 or SBPDW. Every plug drops in without tools, weighs 0.5 to 0.9 oz (14.6 to 25.3 g), and comes back out whenever you want the cavity empty again.
- $20+ ships free
- Lifetime warranty
- Made in Michigan
- Free returns
The lineup
The Guide
Identifying Your Brace Model
The most critical factor is matching the plug to your exact SB Tactical model. Each brace has unique internal geometry that requires a specific plug design, so order the plug that carries your brace's model name.
- Check the markings on your brace for the model number
- Plugs are made for the SBA3, SBA4, SBA5 and SBPDW
- A plug made for one model will not fit another
- If you can't find a marking, contact us before ordering
Storage and Stiffness
Every plug does two jobs: it gives you a small storage compartment inside the brace, and it fills the cavity so the brace flexes less. Larger cavities hold more and take a larger plug, so the SBA4 and SBPDW plugs are the heaviest of the line. If you want the lightest setup, the SBA3 plug is the lightest of the four.
- SBA3: 0.5 oz (14.6 g)
- SBA5: 0.7 oz (21 g)
- SBPDW: 0.8 oz (24 g)
- SBA4: 0.9 oz (25.3 g)
Installation and Compatibility
All plugs feature tool-free installation and maintain compatibility with existing brace adjustment systems. Consider your current setup before selecting.
- All plugs work with SB Tactical tightening straps
- No permanent modifications required
- Plugs can be removed if needed
- Installation takes under 30 seconds
Matching Your Build Style
Because each plug fits only one brace, your brace decides the plug. Pick by the model on your brace, then use the weights above if you are choosing a brace and plug together for a new build.
- Lightweight builds: the SBA3 brace and plug are the lightest pairing
- SBA4 users get the largest storage compartment and the most cavity filled
- SBPDW and SBA5 users each have one plug made for their brace
Field manual
Will this plug work with my specific SB Tactical brace model?
Each plug is made for one SB Tactical model and fits only that model. We offer plugs for SBA3, SBA4, SBA5 and SBPDW braces. Check the markings on your brace to identify the model before you order, because the wrong plug will not seat correctly. If you can't find a marking, contact us and we'll help you identify it.
How much stiffer will my brace feel?
Filling the empty rear cavity takes out much of the flex and wobble you feel in a bare brace, so it sits more solidly against your shoulder or arm. It will not make a brace feel exactly like a fixed stock, since the brace's own adjustment and materials still play a part. Larger plugs fill more of the cavity, so the SBA4 plug changes the feel the most. The storage compartment stays usable either way.
Does installation require any tools or permanent modifications?
Installation is completely tool-free and requires no permanent modifications to your brace. Simply insert the plug into the brace's rear cavity until it seats properly. The process takes under 30 seconds and the plug can be removed at any time. Your brace retains all original functionality including compatibility with SB Tactical tightening straps.
Will the plug affect my platform's balance or handling?
The plugs weigh between 0.5 oz (14.6 g) for the SBA3 and 0.9 oz (25.3 g) for the SBA4. That weight sits at the rear of the brace, where it has little effect on how the platform balances in your hands. Most shooters will not notice the added weight. What you will notice is the brace feeling more solid.
Can I still adjust my brace length with the plug installed?
Yes, the plug is designed to work with your brace's existing adjustment mechanisms. On models like the SBA4 that offer length adjustment, the plug moves with the brace assembly while maintaining rigidity in all positions. The plug also remains compatible with SB Tactical's tightening strap systems for additional customization.
What is the plug made of, and will it hold up?
The plugs are made from Nylon 12, a tough polymer that resists cracking and wear. It is rigid enough to fill and stiffen the brace cavity, with enough give to avoid stressing the brace itself. The plug sits inside the brace, protected from most bumps and scrapes. Our Limited Lifetime warranty covers it like every other part we make.
Does the plug change my brace?
No. The plug sits inside the brace's existing rear cavity, needs no tools, and makes no permanent change to the brace. Pull it out and the brace is exactly as it came from SB Tactical. Rules about braces have changed over time, so check current regulations for your platform and jurisdiction.
What if the plug doesn't fit properly in my brace?
If you've ordered the plug for your exact brace model, it should seat firmly in the rear cavity. Each plug is shaped to the internal dimensions of its brace model. If it doesn't fit, or you're unsure which brace you have, check the manufacturer markings or contact us and we'll help you sort it out.