Barnes 50 Cal 290 Grain SpitFire TMZ

Description

When the muzzleloader season opens across the United States, from the hardwood ridges of Pennsylvania to the river bottoms of Missouri, you need a projectile that delivers consistent terminal performance on whitetail, elk, or black bear. The Barnes 50 Cal 290 Grain SpitFire TMZ is engineered to meet that demand, offering controlled expansion and deep penetration from a modern inline or traditional muzzleloader. Whether you are filling a freezer tag or pursuing a trophy bull, this 24-pack of Spitzer Boat Tail projectiles provides the reliable accuracy and stopping power that experienced hunters depend on.

What This Product Is and Who It’s For

The Barnes 50 Cal 290 Grain SpitFire TMZ is a muzzleloader projectile, not a fixed cartridge. It is designed for use in .50 caliber muzzleloading rifles, including inline models, traditional side-hammers, and modern break-action designs. This product is primarily intended for hunters who pursue big game during black powder seasons, where controlled expansion and retained weight are critical for ethical kills. It is also suitable for target shooters who want to practice with the same projectile they hunt with, ensuring point-of-impact consistency from the range to the field. Collectors of high-performance muzzleloader components may also appreciate the engineering behind the TMZ (Triple-Shock Muzzleloader) design. This product is not intended for home defense or concealed carry applications, as those roles are better served by centerfire handguns and rifles.

Key Specifications

• Caliber: .50 caliber (0.500 inch diameter)
• Bullet Weight: 290 grains
• Bullet Type: SpitFire TMZ (Triple-Shock Muzzleloader) Spitzer Boat Tail
• Construction: Solid copper alloy, hollow point with polymer tip
• Quantity: 24 projectiles per pack
• Ballistic Coefficient (BC): Approximately 0.210 (varies by velocity)
• Recommended Powder Charge: 100-120 grains by volume of black powder or Pyrodex equivalent
• Sabot: Pre-loaded with a low-drag sabot (included on each projectile)
• Muzzle Velocity: Approximately 2,000-2,200 fps (depending on powder charge and barrel length)
• Sectional Density (SD): 0.166

Feature Deep-Dive

The Barnes SpitFire TMZ is built around a solid copper alloy that eliminates lead core separation, a common failure point in traditional cup-and-core bullets. When the projectile impacts tissue, the hollow point cavity expands in a controlled, four-petal pattern, creating a large wound channel while retaining over 95% of its original weight. This retained weight ensures the bullet drives deep through heavy bone and muscle, making it effective on elk and bear at moderate muzzleloader ranges.

The Spitzer Boat Tail profile is a distinct advantage over round-ball or flat-nose designs. The boat tail reduces drag in flight, which flattens the trajectory and improves downrange energy retention. For a hunter shooting at 150 yards, this translates to a drop of roughly 6-8 inches less than a comparable flat-base bullet, reducing the need for holdover adjustments. The polymer tip initiates expansion at velocities as low as 1,300 fps, which means the bullet still opens reliably at extended ranges where velocity has dropped.

Each projectile comes pre-loaded in a low-drag sabot that centers the bullet in the bore and engages the rifling consistently. The sabot material is engineered to reduce fouling buildup, a common issue with multiple shots in a muzzleloader. This allows for more shots between cleaning sessions, which is practical during a hunt or a long range session. The sabot also seals the bore against gas blow-by, maximizing velocity and accuracy from the first shot to the last.

The 290-grain weight strikes a balance between velocity and momentum. Lighter 250-grain bullets may offer flatter trajectories but can be more susceptible to wind drift and may not penetrate as deeply on heavy game. Heavier 300-grain bullets produce more recoil and a loopier trajectory. The 290-grain SpitFire TMZ gives you a flat enough arc for 150-yard shots while still delivering the mass needed to break through shoulder blades and rib cages on mature game animals.

Barnes uses a proprietary Triple-Shock design that has been field-tested across North America for over a decade. The solid copper construction also makes this projectile non-toxic, which is a requirement for hunting in several states that have banned lead ammunition for big game. This means you can use the SpitFire TMZ in California, Illinois, and other lead-restricted zones without needing a separate load. The consistency of the copper alloy also contributes to tighter accuracy nodes, as weight and dimensions are held to strict tolerances.

For shooters who prioritize accuracy, the SpitFire TMZ has a proven track record in competitive muzzleloader events. Many shooters report sub-2-inch groups at 100 yards from a rested position, using a 1:28 twist barrel. The boat tail design also reduces barrel fouling compared to flat-base bullets, as the tapered base allows gas to flow more smoothly past the bullet during exit. This means less cleaning and more time shooting, whether you are dialing in your zero before a hunt or practicing for a fall match.

Ideal Use Cases

Hunting: This is the primary application. The SpitFire TMZ is optimized for deer, elk, bear, and other medium to large game at muzzleloader-appropriate ranges (typically 50-200 yards). Controlled expansion and deep penetration make it a reliable choice for broadside and quartering shots.

Target Shooting: The consistent accuracy and low fouling characteristics make this projectile suitable for range practice and informal target shooting. It allows you to practice with the same load you hunt with, maintaining zero and confidence.

Competition: Some muzzleloader shooting competitions allow saboted projectiles. The SpitFire TMZ’s tight tolerances and boat tail profile can be competitive in long-range silhouette or paper target events.

Not recommended for: Home defense, concealed carry, or plinking with low-cost practice loads. This is a premium hunting and competition projectile, not a bulk option for high-volume shooting.

Compatibility Notes

Firearms: Compatible with any .50 caliber muzzleloader that accepts saboted projectiles, including inline rifles (e.g., Thompson Center Encore, CVA Optima, Knight Disc Extreme) and traditional side-hammers with a 1:28 or faster twist rate. Verify your barrel twist before use.

Ammunition: This is a projectile, not a loaded cartridge. You must pair it with black powder, Pyrodex, or a black powder substitute, along with a primer (e.g., #209 primer or musket cap depending on your rifle).

Accessories: Use a bullet starter or short starter to seat the sabot firmly against the powder charge. A breech plug cleaning tool and bore solvent are recommended for regular maintenance. No special holsters or magazines are required.

Frequently Asked Questions

1. Can you ship this product to my address in the United States?
Yes. Barnes SpitFire TMZ projectiles are not classified as ammunition by the ATF, as they contain no primer, powder, or case. They can be shipped directly to your home or business in all 50 states. No FFL transfer is required for these components.

2. Do I need to go through an FFL transfer to purchase this product?
No. Because this is a projectile component, not a firearm or complete cartridge, it does not require an FFL transfer. You do not need to provide a copy of your FFL or undergo a background check. We ship directly from our licensed location to you.

3. Is this projectile compatible with any .50 caliber muzzleloader?
It is compatible with most .50 caliber muzzleloaders that use saboted bullets. Rifles with a 1:28 twist or faster are ideal. Traditional round-ball barrels with a very slow twist (e.g., 1:66) may not stabilize this bullet. Check your owner’s manual or manufacturer specifications to confirm twist rate.

4. What is the warranty on Barnes SpitFire TMZ projectiles?
Barnes Bullets offers a limited warranty against manufacturing defects. If you receive a projectile that is visibly deformed or has a damaged sabot, we will replace the pack. This warranty does not cover misuse, improper loading, or damage from firing in an incompatible rifle. Contact our customer service team with your order number for assistance.

5. What is your return policy for this product?
We accept returns of unopened, undamaged packs within 30 days of delivery for a full refund minus shipping costs. Opened packs cannot be returned due to safety and hygiene concerns. If the product arrives damaged, please contact us immediately with photos, and we will issue a replacement or refund.

Order with Confidence for U.S. Delivery

This product ships from our licensed facility in the United States. We offer flat-rate shipping to all 50 states, with no additional FFL fees or paperwork. Orders placed before 2:00 PM Eastern Time typically ship the same business day. Whether you are stocking up for the upcoming muzzleloader season or testing a new load for your inline rifle, the Barnes 50 Cal 290 Grain SpitFire TMZ delivers the performance you expect from a trusted American manufacturer. Add a pack to your cart and we will have it on its way.