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Buffalo Bore Ammunition's Heavy Strictly Business 357 Sig load delivers serious stopping power in a proven self-defense round. Built on the reputation Buffalo Bore earned pushing the boundaries of handgun ballistics, this 125-grain full metal jacket flat nose (FMJFN) round is engineered for shooters who demand more from their carry ammunition. The 357 Sig cartridge has earned respect in law enforcement and defensive circles for its velocity, penetration, and flat-shooting trajectory, and Buffalo Bore's heavy loading maximizes those advantages.
The flat nose profile typical of Buffalo Bore's strictly business ammunition serves a dual purpose: it enhances feeding reliability in semi-automatic platforms and provides a wider wound channel than traditional round-nose designs. This isn't range plinking ammo—it's ammunition built with a specific defensive or duty purpose in mind. The full metal jacket construction ensures controlled penetration and consistent performance through various barriers, a consideration that matters if you trust this round to protect you or your family.
Each box contains 20 rounds, with cases available in 12-box quantities for those who shoot regularly and want to stock up on a load they trust. Buffalo Bore ammunition carries the credibility of a manufacturer that refuses to cut corners on velocity, consistency, or quality control—they've built their reputation by refusing to participate in the race to the bottom that defines so much of the ammunition market.
| Caliber | 357 Sig |
| Bullet Weight | 125 grains |
| Bullet Type | Full Metal Jacket Flat Nose (FMJFN) |
| Rounds Per Box | 20 |
| Box Quantity | 12 per case |
| Brand | Buffalo Bore Ammunition |
Buffalo Bore focuses on higher-velocity, heavy-bullet loadings designed to maximize terminal performance and reliability. Their strictly business line is specifically built for self-defense and duty use, not as a cost-cutting alternative to major manufacturers.
The 357 Sig has earned respect in law enforcement and defensive shooting circles for its velocity, flat trajectory, and penetration characteristics. Buffalo Bore's heavy loading is engineered with these performance goals in mind. Your choice of carry ammunition should align with your firearm platform, local laws, and personal training.
This ammunition is loaded for standard 357 Sig chambers. Always consult your firearm's manual and verify chamber specifications before shooting any new ammunition.
The flat nose profile enhances feeding reliability in semi-automatic pistols and provides a wider wound channel than round-nose bullets. It's a deliberate design choice for self-defense and duty ammunition.

SKU: 119718471 • Width: 4in • Height: 2.5in • Depth: 4.2in • Weight: 0.7oz