CORBON is now loading the Barnes Varmint Grenade bullets in several calibers: .204, .22-250 and .223. If you are not already familiar with the Varmint Grenade bullets, they are a line of rifle bullets with a copper-tin core that holds together at very high speeds, but violently fragments on impact. As the name suggests, the Varmint Grenade bullets are excellent for varmints from prairie dogs up to bobcat and coyote size.
In the CORBON loading for the .204 Ruger, a 26 grain Varmint Grenade leaves the muzzle at 4200 fps and generates 1019 ft-lbs of energy.
In .223 Remington, the CORBON loaded 36 grain Varmint is moving at 3600 fps and generates 1036 ft-lbs of energy. In the same caliber, with a 50 grain bullet, the Varmint Grenade is traveling at 3000 fps and generates energy of 999 ft-lbs.
The CORBON .22-250 Remington launches a 36 grain Varmint Grenade at a smoking 4300 fps for 1478 ft-lbs of energy.
All of these loads have ultra-high velocities and are designed to be extremely accurate and consistent. Even at the very fast speeds, the Varmint Grenade bullets hold together as a solid bullet but provide instantaneous fragmentation when hitting the target. According to Corbon, the bullets seldom exit large predators, which is in line with the information provided by Barnes in the past.
The Corbon Varmint Grenade rounds are no longer being offered for sale. It is not known exactly when the line was discontinued, but these rounds are not being offered in any caliber now.