Last reviewed: 2026-04-17 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Buffalo Bore 10mm Auto 200-grain Full Metal Jacket brings full-power performance back to the 10mm platform. Loaded to maximum SAAMI specification, this 20-round box delivers 1200 feet per second and 639 foot-pounds of muzzle energy from a 4.6-inch barrel — velocity and penetration numbers that define the 10mm as a legitimate hunting cartridge for medium game. Buffalo Bore designs this ammunition for shooters who reject the watered-down 10mm Auto loads common in the commercial market and demand performance that matches the cartridge’s original mission envelope. Safe to fire in any 10mm pistol in safe working condition, this load uses flash-suppressed powder, non-corrosive Boxer primers, and reloadable brass cases — addressing field use where follow-up visibility and component economy matter.
Load Profile
The 200-grain Full Metal Jacket bullet prioritizes penetration and momentum transfer. Buffalo Bore loads this cartridge to true full-power SAAMI pressures — not the reduced-pressure factory loads that became standard after the FBI adoption trials. Flash-suppressed powder maintains low-light vision capability during engagement. Brass cases carry Boxer primers for field reloading. Lead content requires Proposition 65 awareness for California buyers. The 20-round box format supports range-confirmed zero before field carry. Buffalo Bore manufactures this ammunition in the United States under standard ammunition manufacturing tolerances.
The Numbers
| Spec | Value |
|---|---|
| Caliber | 10mm Auto |
| Bullet weight | 200 grains |
| Bullet type | Full Metal Jacket |
| Muzzle velocity | 1200 fps (4.6″ barrel) |
| Muzzle energy | 639 ft-lbs |
| Rounds/box | 20 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Lead Free | No |
| Intended use | Hunting |
| Manufacturer | Buffalo Bore |
This load fits shooters carrying 10mm Auto pistols for hunting medium game where penetration depth and momentum transfer govern terminal performance. The 200-grain FMJ bullet configuration delivers straight-line penetration through heavy bone and tissue — addressing scenarios where expanding bullets may fail to reach vitals. Compatible with any 10mm pistol chambered to SAAMI specification. For more full-power 10mm options, see our Buffalo Bore 10mm Ammo selection.
Safe Handling & Compliance
Federal law requires purchasers to be at least 21 years old for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Follow the four universal rules of firearms safety during all handling and firing.
- Verify current state and local ammunition purchase and possession laws before ordering — some jurisdictions restrict FMJ bullet types or regulate ammunition sales.
- This ammunition contains lead, a substance known to the State of California to cause cancer and reproductive harm. Wash hands after handling and avoid indoor firing without adequate ventilation.
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