The Remington UMC 357 SIG 125 Grain Full Metal Jacket (brand part no. 23734) is a straightforward, dependable range load built for shooters who carry a duty or personal-defense pistol chambered in 357 SIG and need affordable ammunition to train with. Remington’s UMC line is purpose-built for high-volume practice, and this 125 grain FMJ round is loaded to the same reliable standard shooters expect from the brand’s centerfire handgun ammunition. It is a smart match for anyone running drills, qualifying at the range, or simply keeping their 357 SIG skills sharp between duty rounds.

Key Specifications

• Chambered in 357 SIG, the high-velocity bottlenecked cartridge favored by many law enforcement agencies.
• Loaded with a 125 grain bullet, matching the typical weight used in 357 SIG duty and defense loads for realistic training.
• Uses a full metal jacket bullet, built for smooth feeding and reliable cycling rather than expansion.
• Runs in a brass case, which is fully reloadable for shooters who reload their own ammunition.
• Rated at approximately 1,350 fps muzzle velocity, consistent with the cartridge’s signature high-velocity performance.
• Delivers roughly 506 ft-lbs of muzzle energy, giving a realistic feel for training with a 357 SIG platform.
• Packaged 50 rounds per box, sized for an efficient range session.
• Primed with Kleanbore primers, a clean-shooting, corrosion-resistant primer that helps keep a pistol’s action running cleaner.
• Manufactured in the USA at Remington’s Lonoke, Arkansas plant, using first-quality, factory-fresh brass.

Frequently Asked Questions

Is this a defensive or a practice round? It is a full metal jacket practice round, built for training and qualification rather than personal-defense use.

What bullet weight does it use? A 125 grain FMJ bullet, matching the weight of many 357 SIG defensive loads so practice recoil and point of impact feel familiar.

Will this cycle reliably in a duty pistol? Yes. The full metal jacket profile and standard case dimensions are built for dependable feeding in 357 SIG service and carry pistols.

Buy the Remington UMC 357 SIG 125 Grain Full Metal Jacket

Keeping a 357 SIG pistol running smoothly at the range starts with dependable, affordable ammunition, and UMC has built that reputation one range day at a time. Stock up for your next training session or qualification course with confidence in every round. Order it from our Remington lineup of handgun ammunition through our Lubbock, Texas gun shop for fast, direct shipping.