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The Barnes VOR-TX 170 grain TTSX is the heavyweight option in the 7mm PRC lineup, engineered for hunters who want maximum power and forgiving performance at practical hunting distances. Coming in 10 grains heavier than the VOR-TX LR 160gr version, this load trades the long-range optimized ballistics of the LR model for a modestly designed bullet that rewards shot placement less demanding than precision match-grade projectiles require. That's a real advantage when things are moving in the field.
Every round fires a solid copper TTSX bullet that starts expanding immediately thanks to the polymer tip. The double-diameter expansion creates a devastating wound channel while the monolithic copper construction keeps the bullet together and intact, achieving near 100% weight retention even through heavy bone and thick hides. That's the whole point of all-copper bullets from Barnes—deep penetration combined with controlled expansion, not fragmentation. Factory quality is tight too; Barnes ammunition is loaded to precise tolerances ensuring consistent velocities and excellent accuracy from box to box.
The 7mm PRC is a modern cartridge designed for velocity retention at extended range, but this 170gr load isn't chasing extreme distance performance. Instead, it capitalizes on what the cartridge does best at realistic hunting ranges where energy on target and terminal performance matter as much as ballistics. The boat-tail design improves downrange stability, and the forgiving bullet profile means you don't need a perfectly centered hit to put an animal down efficiently. That's the difference between a rifle that requires precision and one that performs.
Each box contains 20 rounds of factory-fresh ammunition loaded in reloadable brass cases with Boxer primers. The solid construction means reloaders can depend on consistent brass life and straightforward reloading development.
The 170gr TTSX is designed for short- to medium-range hunting where bullet forgiveness matters more than extreme ballistic coefficient. The 160gr LR version carries a higher ballistic coefficient and lower recoil, making it better suited for extended-range precision. If you're hunting whitetail or mule deer at typical rifle ranges out to 300-400 yards, the 170gr TTSX's heavier bullet and forgiving design excel. The LR model is the better choice if you're regularly pushing shots past 600 yards.
Modern Barnes TTSX bullets have relief grooves machined into the shank that reduce bearing surface and copper contact with the bore. These grooves minimize pressure buildup and copper fouling compared to earlier all-copper designs. You'll likely see no more fouling than with traditional lead-core ammunition, and the included grooves sometimes improve accuracy by relieving pressure spikes.
The 170gr TTSX achieves double-diameter expansion, meaning the petals peel back to roughly twice the original bullet diameter. Weight retention runs near 100%, so the bullet stays together through heavy bone and thick hides for deep penetration into vital organs. This combination delivers both the wound channel from rapid expansion and the penetration depth needed on larger game like elk.
Barnes VOR-TX ammunition is loaded to safe pressure limits with consistent velocities between lots. The 2925 fps muzzle velocity is typical for this weight and cartridge combination from a standard-length barrel. Because all-copper bullets are more rigid than lead-core bullets, they generate slightly higher pressures at the same charge weight, which is why the TTSX and TSX designs include relief grooves—to manage that pressure safely and predictably.
| Bullet Weight (Grains) | 170 |
|---|---|
| Caliber/Gauge | 7MM PRC |
| Case Material | Brass |
| Cost per Round | 3.60 |
| Grains | 170Gr |
| Manufacturer | |
| Manufacturer Part Number | 32482 |
| Model | |
| Product Type | Tipped Triple Shock X |
| Shipping Weight | 1.609 |
| Units per Box | 20 |
| UPC | 716876701704 |
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