Bullet Corp

When it comes to 9mm reloading, small details can make a big difference. One of the most commonly overlooked specifications is bullet diameter. You will often see 9mm bullets advertised as .355″ or .356″, and it can leave reloaders wondering: Does that 0.001″ really matter? The short answer is: yes, it can. What Is the Correct Diameter for a 9mm Bullet? A typical 9mm barrel has a nominal groove diameter of approximately .355″. Bullets are commonly manufactured slightly larger than the groove...

One of the most overlooked problems in 9mm reloading isn't the powder charge, primer, or even the bullet itself—it's what happens to the bullet during seating. Many reloaders carefully select a quality .356" coated bullet, only to unknowingly reduce it to .355" or even .354" before the round is finished. That small change can have a noticeable effect on accuracy and consistency. Why Bullet Diameter Matters The standard groove diameter of most 9mm barrels is approximately .355". A common rule...

Competitive shooting is constantly evolving. Shooters are always looking for ways to improve performance, increase training time, reduce costs, and gain every possible advantage on the range. Over the past decade, one of the biggest shifts in practical shooting has been the growing adoption of coated bullets. Across South Africa, more IPSC competitors are moving towards modern coated projectiles as they discover the benefits these bullets can offer when properly designed and manufactured....