Buffalo Bore 458 SOCOM 400 Grain JFN Ammunition - 20 Rounds
- Capacity-Rounds:
- 20
- Style:
- Jacketed Flat Nose
- Caliber-Gauge:
- 458 Socom
- Grain:
- 400
- Muzzle Velocity:
- 1550
- Application:
- Hunting
- Muzzle Energy:
- 2134 ft lbs
- HazAir:
- Yes
Buffalo Bore 458 SOCOM 400 grain JFN ammunition delivers serious knockdown power for hunters running modern sporting rifles built on the .458 platform. The 400-grain semi-jacketed flat point design is engineered for controlled expansion and deep penetration on medium to large game, making it a dependable choice for hunters who demand reliable, proven ammo. Buffalo Bore has earned a reputation for hand-loading quality and field-proven performance, and this load reflects that commitment.
The 458 SOCOM cartridge occupies a unique niche: it's compact enough to function in AR-15 receivers, but delivers rifle-class energy and bullet weight that rivals many traditional hunting cartridges. Whether you're hunting hog, elk, or working in dense timber where shot placement matters more than distance, this 400-grain load gives you the terminal performance to get the job done cleanly. Twenty rounds per box means you can stock up for season without breaking the bank on specialty ammunition.
Buffalo Bore's semi-jacketed flat point construction provides the expansion characteristics serious hunters expect, while the flat nose geometry aids feeding reliability in modern platforms. This is field ammo, not target paper-puncher, so it's built with the mindset of hunters who understand that the only good shot is one that performs when it counts.
Key Features
- 400-grain semi-jacketed flat point (JFN) projectile
- Designed for controlled expansion and deep penetration
- Loaded to reliable specs for consistent performance
- 20 rounds per box
- Built for 458 SOCOM rifles and AR-15 platform builds
Specifications
| Caliber | 458 SOCOM |
| Bullet Weight | 400 grains |
| Bullet Type | Semi-Jacketed Flat Point (JFN) |
| Rounds per Box | 20 |
| Brand | Buffalo Bore Ammunition |
Frequently Asked Questions
What rifles will fire Buffalo Bore 458 SOCOM ammunition?
This ammunition is loaded for rifles and upper receivers chambered in 458 SOCOM, including modern sporting rifles and AR-15 platform builds specifically configured for the cartridge.
Is Buffalo Bore 458 SOCOM ammo suitable for hunting?
Yes. The 400-grain semi-jacketed flat point design is intended for hunting applications, offering the expansion and penetration characteristics needed for taking game.
How many rounds come in a box?
Each box contains 20 rounds of Buffalo Bore 458 SOCOM ammunition.
Why choose a 400-grain flat point for hunting?
The 400-grain weight combined with flat point geometry provides deep penetration and controlled expansion for clean, reliable performance on game. The flat nose also aids feeding reliability in modern rifle platforms.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
- Hawaii
- Alaska
- P.O. Boxes
- APO/FPO Addresses
- International Addresses
- U.S. Territories
- U.S. addresses with zip codes starting with (100, 101, 102)
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
Email: [email protected]

