Description
Buffalo Bore paired its heavy-hitting engineering with Barnes all-copper TAC-XP bullets to create a .357 SIG load that actually performs when it matters. You get roughly 20+ inches of penetration through flesh and bone while the bullet expands to around 55 caliber, hitting that sweet spot between stopping power and penetration depth that matters in self-defense.
Lead-Free Design Without Compromise
The solid copper construction means you can train and carry without worrying about lead exposure. This matters if you shoot indoors regularly or want to keep your shooting environment cleaner. Barnes engineered these bullets to expand reliably even at the lower velocities that small cartridge cases like the .357 SIG demand, so you're not sacrificing terminal performance for environmental benefits.
Low-Flash Powder for Real-World Situations
Buffalo Bore uses flash-retarded powder in this loading because roughly 95% of defensive shootings happen in low light. When you need to shoot, you need to see. Standard ammunition can blind you with its own muzzle flash in dark conditions. This load keeps your vision intact so you can assess the threat and stay aware of your surroundings if the situation demands follow-up shots.
Purpose-Built for Self-Defense
With a muzzle velocity of 1425 fps and 564 foot-pounds of energy, this ammunition is designed specifically for home defense and personal protection. The ballistics work well from standard 3.5-4 inch barrel pistols chambered in .357 SIG. You get reloadable brass cases with each box containing 20 rounds of carefully controlled ammunition that meets Buffalo Bore's strict quality standards.
Key Specifications
- Caliber: .357 SIG
- Bullet Weight: 125 grains
- Bullet Type: Barnes TAC-XP Hollow Point
- Bullet Material: Solid Copper (Lead-Free)
- Muzzle Velocity: 1425 feet per second
- Muzzle Energy: 564 foot-pounds
- Rounds per Box: 20
- Case Material: Reloadable Brass
- Powder Type: Flash-Retarded
- Model Number: 25C/20
- UPC Code: 651815025032
- Manufacturer: Buffalo Bore Ammunition
What’s Included
- 20 rounds of Buffalo Bore .357 SIG ammunition
- Reloadable brass cartridge cases
Frequently Asked Questions
What makes the Buffalo Bore .357 SIG different from standard lead-containing ammunition?
This load uses solid copper Barnes TAC-XP bullets instead of lead cores, making it lead-free and safe for indoor ranges or areas with lead restrictions. The copper construction performs reliably at the lower velocities required by the .357 SIG cartridge, so you're not trading stopping power for the environmental benefit.
Why does Buffalo Bore use flash-retarded powder in this .357 SIG load?
Most defensive shootings happen in low light, so the flash-suppressed powder keeps your vision from being blinded by your own muzzle flash. This gives you a significant tactical advantage by letting you see clearly to assess threats and handle follow-up shots if needed.
How deep does this ammunition penetrate?
The 125gr Barnes TAC-XP bullet penetrates approximately 20+ inches through flesh and bone while expanding to roughly 55 caliber. This penetration depth is designed to reach vital organs even if the threat is partially obscured by clothing or other barriers.
Are the brass cases reloadable?
Yes, the ammunition comes in reloadable brass cases, so after you've fired these rounds you can reload them if you handload ammunition. This helps offset the cost of premium defensive ammunition over time.





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