
Availability: In Stock
Current Stock: Out of stock
The Armscor USA Competition .357 Mag 158 gr FMJ delivers dependable, domestically manufactured ammunition built for handgun shooters who want consistent performance without breaking the bank. Made in the USA and engineered to SAAMI standards, this .357 Magnum round pairs a 158-grain full metal jacket projectile with quality control that's earned trust among competitive shooters, sport competitors, and range enthusiasts. Whether you're fine-tuning your revolver at the range, training for a match, or stocking reliable handgun ammo, this 50-round box gives you the volume to practice and dial in your shot without compromise.
Armscor's reputation in the shooting community stems from decades of precision manufacturing and adherence to industry standards. Their ISO 9001 certification reflects a commitment to consistent, dependable ammunition—the kind of reliability you need when every round counts. The 158-grain FMJ bullet design is a classic for .357 Magnum shooters: proven ballistics, predictable trajectory, and smooth feeding through wheelguns and semi-auto platforms that chamber the cartridge. The full metal jacket construction means cleaner shooting and easier cleanup, whether you're at an indoor range or your favorite outdoor spot.
If you shoot .357 Magnum and value American-made ammunition at a fair price, Armscor USA Competition rounds are a solid choice for practice, competition, or duty training. The 50-round box format keeps your ammo organized and ready to go.
| Caliber | .357 Magnum |
| Bullet Weight | 158 grains |
| Bullet Type | Full Metal Jacket (FMJ) |
| Rounds Per Box | 50 |
| Manufacturer | Armscor (USA) |
Yes. The .357 Magnum cartridge is standard across revolvers and compatible semi-auto platforms. The 158-grain FMJ design feeds reliably in both. Always verify that your specific firearm is chambered in .357 Magnum before loading.
SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) compliance ensures that the ammunition meets industry pressure, velocity, and safety standards. Armscor's adherence to SAAMI standards guarantees consistent, safe performance across all properly maintained firearms chambered in .357 Magnum.
Armscor USA Competition ammunition is made in the USA. Armscor also manufactures a separate Precision line in the Philippines, but this product is domestic manufacture.
Each box contains 50 rounds, making it a convenient size for practice sessions, competitions, or training.





SKU: 119713698 • Width: 2.7in • Height: 2.1in • Depth: 5in • Weight: 1.88oz





Availability: In Stock
Current Stock: Out of stock
The Armscor USA Competition .357 Mag 158 gr FMJ delivers dependable, domestically manufactured ammunition built for handgun shooters who want consistent performance without breaking the bank. Made in the USA and engineered to SAAMI standards, this .357 Magnum round pairs a 158-grain full metal jacket projectile with quality control that's earned trust among competitive shooters, sport competitors, and range enthusiasts. Whether you're fine-tuning your revolver at the range, training for a match, or stocking reliable handgun ammo, this 50-round box gives you the volume to practice and dial in your shot without compromise.
Armscor's reputation in the shooting community stems from decades of precision manufacturing and adherence to industry standards. Their ISO 9001 certification reflects a commitment to consistent, dependable ammunition—the kind of reliability you need when every round counts. The 158-grain FMJ bullet design is a classic for .357 Magnum shooters: proven ballistics, predictable trajectory, and smooth feeding through wheelguns and semi-auto platforms that chamber the cartridge. The full metal jacket construction means cleaner shooting and easier cleanup, whether you're at an indoor range or your favorite outdoor spot.
If you shoot .357 Magnum and value American-made ammunition at a fair price, Armscor USA Competition rounds are a solid choice for practice, competition, or duty training. The 50-round box format keeps your ammo organized and ready to go.
| Caliber | .357 Magnum |
| Bullet Weight | 158 grains |
| Bullet Type | Full Metal Jacket (FMJ) |
| Rounds Per Box | 50 |
| Manufacturer | Armscor (USA) |
Yes. The .357 Magnum cartridge is standard across revolvers and compatible semi-auto platforms. The 158-grain FMJ design feeds reliably in both. Always verify that your specific firearm is chambered in .357 Magnum before loading.
SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) compliance ensures that the ammunition meets industry pressure, velocity, and safety standards. Armscor's adherence to SAAMI standards guarantees consistent, safe performance across all properly maintained firearms chambered in .357 Magnum.
Armscor USA Competition ammunition is made in the USA. Armscor also manufactures a separate Precision line in the Philippines, but this product is domestic manufacture.
Each box contains 50 rounds, making it a convenient size for practice sessions, competitions, or training.
SKU: 119713698 • Width: 2.7in • Height: 2.1in • Depth: 5in • Weight: 1.88oz




