Weatherby Select Plus 224 Wthby Mag 55 Gr Spire Point SP. The ammunition is loaded with Norma Precision Brass specialty primers and Norma High Grade Premium Powder by Norma of Sweden. This allows for the powder to be consistently ignited. With this ammunition Weatherby guarantees that you will be able to shoot a 100-yard group shot that is better than your previous one. The boxes include 20 rounds and there are several options of bullet styles to choose from including Spitzer Nosler Ballistic Tip Round Nose Nosler AccuBond Barnes TSX and Spire Point. Specifications for Weatherby H22455SP Select Plus 224 Wthby Mag 55 Gr Spire Point (SP): Manufacturer: Weatherby Caliber: .224 Weatherby Magnum Number of Rounds: 20 Bullet Type: Spire Point (SP) Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 3650 ft/s Application: Varmint Primer Style: Centerfire Package Contents: Weatherby H22455SP Select Plus 224 Wthby Mag 55 Gr Spire Point (SP) 20 Bx/ What is Weatherby H22455SP Select Plus 224 Wthby Mag 55 Gr Spire Point (SP) good for? The manufacturer says that it is suitable for varmint.Weatherby H22455SP Select Plus 224 Wthby Mag 55 Gr Spire Point SP 20 Bx/