Built out of Ti-64I-4V Titanium Lightweight effective design 3 Ports Self-timing Brake Easy to mount Weight: 0.9-1.7 Oz 2.125" overall length Ports designed to keep muzzle jump down 6.5 mm caliber good for any caliber up to and including 6.5 mm .30 caliber good for any caliber up to and in... See More