HSM Tipping Point 30-06 Springfield 165 Gr Sierra GameChanger 20 Bx/ 20. That describes HSMs Tipping Point to a T. Match grade accuracy combined with a payoff of extreme terminal results. Specifications for HSM 300645N Tipping Point 30-06 Springfield 165 Gr Sierra GameChanger 20 Bx/ 20: Manufacturer: HSM Ammunition Caliber: .30-06 Springfield Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 165 grain Cartridge Case Material: Brass Muzzle Velocity: 2870 ft/s Application: Medium Game Primer Style: Centerfire What is HSM 300645N Tipping Point 30-06 Springfield 165 Gr Sierra GameChanger 20 Bx/ 20 good for? The manufacturer thinks that it is good for medium game.