Description
You’re on the line, the deer is broadside at 80 yards, and your percussion cap just crumbles in your fingers. That moment of fumbling frustration—the difference between a clean harvest and a missed opportunity—is exactly what the Thompson Center Capper, Inline Musket is built to eliminate. This isn’t just an accessory; it’s a force multiplier for your muzzleloader, designed to deliver reliable ignition when it matters most.
The Thompson Center Capper, Inline Musket is a dedicated, precision tool for safely and efficiently loading percussion caps onto the nipple of inline muzzleloader rifles. It streamlines the reloading process, protects caps from moisture and damage, and ensures consistent, reliable ignition in the field. This tool is engineered for shooters who demand repeatable performance from their black powder or muzzleloading firearms.
When it comes to muzzleloader season, preparation is everything. Your shot depends on a perfect chain of events: powder, projectile, and a pristine #11 percussion cap seated perfectly. The Thompson Center Capper removes the weakest link—human fingers. It holds multiple caps in a protected, internal magazine, feeding them one at a time directly onto your rifle’s nipple. This means no more dropped caps, no more pinched fingers, and crucially, no more contaminated primers from sweaty hands. The action is smooth and positive, giving you tactile confirmation the cap is seated. At a price of $18.98, it’s an investment in certainty.
Constructed from durable materials, this capper is built for the realities of the hunt. It fits out of the box with no gunsmithing required for most popular inline models. The design is intuitive: load the tube, depress the plunger, and the cap is guided securely into place. This is especially critical in adverse conditions—think a cold, damp Missouri morning where dexterity fails and every second counts. The tool keeps your caps dry and ready, turning a potential liability into a controlled, repeatable process. Look, your muzzleloader is only as reliable as its ignition source.
| Specification | Detail |
|---|---|
| Compatibility | #11 Percussion Caps |
| Primary Use | Inline Muzzleloader Rifles |
| Operation | Plunger-style, internal magazine |
| Material | Durable Polymer & Metal Components |
| Capacity | Multiple caps (model dependent) |
| Design Purpose | Safe, Contamination-Free Cap Loading |
Pros & Cons
The clear advantage is reliability. You get consistent cap seating, protection from the elements, and a faster reload sequence. It minimizes misfires caused by human error. The potential downside is model-specific fit—while designed for Thompson Center and similar inline rifles like CVA or Traditions, always verify compatibility with your firearm’s nipple design. That said, for its intended purpose, it performs a simple job flawlessly.
Who It’s For
This tool is for the serious muzzleloader hunter who doesn’t leave success to chance. It’s for the shooter who practices with their entire kit, not just the rifle. If you hunt in variable weather, value streamlined gear, and understand that the smallest piece of equipment can dictate the outcome, this capper is for you. It’s available at firearms-missouri.com for Missouri residents and nationwide, ensuring you’re equipped for the next season.
Frequently Asked Questions
Q: Is this capper compatible with my specific muzzleloader?
A: It is designed specifically for inline muzzleloaders using #11 percussion caps, such as Thompson Center’s Omega or Triumph series, and similar models from other major brands. Always check your rifle’s nipple size and style for optimal fit.
Q: How many caps does it hold?
A: The internal magazine tube typically holds several #11 caps, allowing for multiple reloads without needing to refill the tool. Exact capacity can vary slightly, but it’s designed for a practical hunting session’s worth.
Q: Can this help prevent misfires?
A: Absolutely. By keeping caps dry and handling them with the tool instead of your fingers, you eliminate oils and moisture that are common causes of ignition failure. It also ensures the cap is seated fully and squarely on the nipple.
Add the Thompson Center Capper, Inline Musket to your hunting kit and secure the first link in your firing chain.




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