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Barnes Vor-tx 45-70 Gov 300 Grain Barnes TSX Flat Nose

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Ammo Reports Team 1 0 45-70 Government

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Official Specs

Note: Barnes does not publish muzzle velocity or muzzle energy for this specific VOR-TX .45-70 300 gr TSX load on their primary product page as of the time of writing. The ballistics table below uses a community-standard estimate of approximately 1,850 fps from a 22–24″ lever-action barrel, consistent with published data from comparable 300 gr loads in this chambering. All trajectory values are calculated estimates and must be treated as such. Verified community submissions of chrono data are welcomed.

Note: No BC (G1 or G7) has been published by Barnes for this flat-nose bullet. Flat-nose projectiles designed for tubular-magazine lever guns have inherently low BC values; a G1 BC in the range of 0.185–0.210 is typical for this bullet profile but has not been confirmed by the manufacturer and is not used in calculations below.

Barnes Vor-tx 45-70 Gov 300 Grain Barnes TSX Flat Nose (Box)

$68.49

in stock

Ballistics Table

Calculated estimate. Real-world results vary by barrel length, temperature,altitude, and lot. Community submissions will provide measured muzzlevelocity for comparison.

Zeroed at 100 yards. Sight height: 1.5″ above bore. Estimated muzzle velocity: ~1,850 fps. G1 BC estimate: ~0.200 (unconfirmed — for trajectory modeling only).

Key takeaway: The Barnes TSX 300 gr flat nose in .45-70 is a short-to-medium-range proposition by design. Within 150 yards — the realistic hunting envelope for most lever-action users — velocity remains sufficient to initiate reliable TSX expansion, and retained energy stays well above 1,500 ft-lbs, which is more than adequate for elk-sized game. Beyond 200 yards, the trajectory drop becomes significant enough that holdover demands careful range estimation. This is not a load optimized for distance; it is engineered for deep penetration and terminal authority at woods-hunting ranges.

The Barnes TSX Flat Nose Bullet

The TSX (Triple-Shock X) is an all-copper, lead-free expanding bullet distinguished by three circumferential relief grooves machined into the shank. These grooves reduce bearing surface and pressure, which addresses a historical criticism of solid-copper projectiles — namely, elevated chamber pressure relative to jacketed lead-core designs. The result is a bullet that can be loaded to standard SAAMI pressure limits while still delivering the performance characteristics of a monolithic copper design.

The flat-nose profile is not a compromise — it is a deliberate engineering choice for tubular-magazine lever-action rifles like the Marlin 1895 and similar platforms. In a tubular magazine, cartridges stack nose-to-primer; a pointed bullet seated against a live primer creates a detonation hazard under recoil. The flat nose eliminates this risk entirely while maintaining the blunt-force terminal profile that has made the .45-70 effective on large and dangerous game for over 150 years.

Upon impact, the TSX nose petals back into four uniform copper petals, roughly doubling the bullet’s diameter. Because there is no lead core to separate or shed, weight retention consistently approaches 100%. This combination — controlled expansion, near-total weight retention, and a heavy 300 gr starting mass — produces straight, deep wound channels that are particularly valuable when shooting through shoulder bones or heavy muscle mass on large animals.

The VOR-TX line represents Barnes’ factory-loaded offering, bringing this bullet construction to shooters who want TSX terminal performance without handloading. Each cartridge is loaded to Barnes’ internal standards for consistency, using Boxer-primed brass cases that can be reloaded after firing.

Best Uses

Good fit:

• Whitetail deer and mule deer hunting in dense timber or brush where shots rarely exceed 100–150 yards
• Black bear hunting where penetration through heavy muscle and bone is a priority
• Elk hunting in close-cover situations, particularly where a follow-up shot on a moving animal must still perform
• Feral hog control, especially on large boars where shoulder-on shots are common
• Jurisdictions or hunting units with lead-free ammunition mandates — the all-copper TSX is fully compliant
• Hunters using classic lever-action rifles (Marlin 1895, Winchester 1886 reproductions) who need a tubular-magazine-safe flat-nose design
• Dangerous-game situations where deep straight-line penetration is valued over rapid fragmentation

Not the right tool for:

• Long-range shooting beyond 200 yards, where trajectory drop becomes difficult to compensate for accurately in field conditions
• Varmint or small predator work — the 300 gr projectile and caliber are excessive for animals under 50 lbs and will cause significant pelt damage
• High-volume target shooting or practice — at $3.42/round, routine range sessions with this load are cost-prohibitive
• Rifles with very short barrels (under 18″) where muzzle velocity loss may compromise reliable TSX petal expansion, which requires a minimum impact velocity threshold
• Hunters seeking maximum hydrostatic shock or rapid energy dump — the TSX is designed for penetration, not fragmentation, and may exit cleanly on lighter game

Reliability Notes

No structured submissions yet.

Based on manufacturer claims and open-source information: Barnes states that VOR-TX ammunition is assembled to the same dimensional tolerances as precision handloads, with consistent powder charges and bullet seating. The TSX bullet’s relief grooves are cited by Barnes as a solution to the pressure elevation common in older solid-copper designs, suggesting this load should function within standard pressure limits in rifles chambered for SAAMI .45-70 Government. Multiple open-source hunting forums report that TSX flat-nose bullets in .45-70 have produced complete pass-throughs on elk and large black bear at distances under 100 yards, consistent with the manufacturer’s claims of near-100% weight retention. No pattern of feeding, extraction, or accuracy failures specific to this load has been identified in open sources. All notes above come from manufacturer claims or open-source user reports, not structured performance data.

Competitors

Price Reality

• Typical retail range: $62–$72 per box of 20, depending on retailer and availability; case pricing (typically 10 boxes/200 rounds) has been observed in the $620–$700 range where available
• Per-round cost: approximately $3.42/round at the $68.49 price point
• Compared to Hornady LEVERevolution .45-70 ($42–$48/box), the Barnes VOR-TX carries a $20–$26 premium per box, reflecting the all-copper TSX bullet construction and lead-free compliance
• Compared to Federal Trophy Bonded Bear Claw .45-70 ($55–$65/box), the price difference is narrower — roughly $3–$13 per box — making the Barnes a reasonable value for hunters who specifically require lead-free ammunition
• Compared to budget options like Remington Core-Lokt .45-70 ($38–$45/box), the Barnes costs approximately $23–$30 more per box, a meaningful difference for hunters who shoot frequently in practice
• Fair price benchmark: Anything above $75/box for this specific load should be considered above market and warrants comparison shopping. Below $60/box represents a good value opportunity worth acting on.

Prices change. Check the Where to Buy block for current listings.

Where to Buy

Barnes Vor-tx 45-70 Gov 300 Grain Barnes TSX Flat Nose (Box)

The Barnes Vor-tx 45-70 Gov 300 Grain ammunition offers unmatched accuracy and reliability, featuring advanced all-copper bullet technology for maximum penetration and impressive weight retention. Perfect for those seeking powerful performance in the field, this factory round combines precision engineering with devastating impact.

$68.49 at Ammunitiondepot.com

Affiliate links. These do not influence ratings, data, or any editorial content on this page.

FAQ

Does the Barnes TSX flat-nose bullet actually expand reliably at .45-70 velocities?

The TSX is designed to initiate expansion at impact velocities as low as approximately 1,800 fps according to Barnes’ published guidelines, though the company does not publish a formal minimum expansion velocity for this specific load. At typical .45-70 muzzle velocities in the 1,800–1,900 fps range from a standard lever-action barrel, the bullet should be above or near this threshold at the muzzle, with adequate velocity for reliable expansion within 100–150 yards. Beyond 150 yards, impact velocity may approach the lower boundary of reliable petal initiation depending on barrel length and atmospheric conditions. For this reason, most experienced .45-70 hunters using the TSX flat nose treat 150 yards as a practical maximum for confident terminal performance.

Is this load compliant with lead-free hunting regulations in California and other restricted states?

Yes. The Barnes TSX is an all-copper, lead-free projectile with no lead core, lead base, or lead-bearing components. It meets the requirements of California’s Upland Game Bird and Condor Zone regulations, as well as similar lead-free mandates in other jurisdictions. Hunters should always verify current local regulations independently, as rules change and specific zone boundaries vary. The VOR-TX line was partly developed in response to the growing demand for factory-loaded lead-free ammunition that meets these requirements without sacrificing terminal performance.

How does the Barnes TSX 300 gr compare to the Hornady LEVERevolution 325 gr FTX in practical hunting situations?

These two loads represent different engineering philosophies for the .45-70. The Hornady LEVERevolution uses a higher-BC flex-tip bullet with a lead core, achieving a flatter trajectory that extends the practical range of the cartridge — useful for open-country shots out to 200 yards. The Barnes TSX prioritizes penetration depth and lead-free construction over ballistic efficiency, making it the stronger choice for dense cover hunting, dangerous-game situations, or lead-restricted areas. The Hornady will typically show less drop at 200 yards; the Barnes will typically show deeper penetration on heavy-boned animals at close range. Neither is universally superior — the correct choice depends on the specific hunting context.

Can this ammunition be used in older or lower-pressure .45-70 rifles, such as original Trapdoor Springfield actions?

This requires careful attention. The .45-70 Government cartridge exists in multiple pressure tiers: standard SAAMI .45-70 Gov’t (approximately 28,000 CUP), and higher-pressure loads designed for modern lever-action and single-shot rifles. Barnes does not publish the specific chamber pressure for this VOR-TX load, but VOR-TX ammunition is generally loaded to standard SAAMI .45-70 pressure levels suitable for modern lever-action rifles like the Marlin 1895. Trapdoor Springfield rifles, original Rolling Block actions, and other antique or replica firearms are typically rated for much lower pressures and should only be used with ammunition specifically marked as safe for those platforms. Consult a qualified gunsmith before using any modern factory .45-70 load in an antique action.

Why is the bullet weight only 300 grains when the .45-70 is commonly associated with 405 grain and heavier projectiles?

The .45-70 has a long history spanning bullet weights from approximately 300 to 500 grains in factory ammunition. Heavier bullets (405 gr and above) at traditional black-powder velocities were the original military and hunting standard, but they produce significant trajectory drop even at modest distances. The 300 gr TSX trades some momentum for higher velocity, which improves trajectory, shortens time of flight, and — critically for the TSX design — ensures sufficient impact velocity to drive reliable copper petal expansion. For hunters targeting deer, elk, or black bear at woods distances, the 300 gr weight delivers more than adequate terminal energy while remaining manageable in recoil-sensitive shooters or lighter rifle platforms. The 405 gr and heavier options remain valid for hunters who prioritize maximum momentum on the largest or most dangerous game.

Barnes Vor-tx 45-70 Gov 300 Grain Barnes TSX Flat Nose (Box)

$68.49

in stock