FURY Hybrid Case Technology allows for increased muzzle velocity and greater energy than traditional brass cases. SIG FURY Hybrid case ammunition outperforms standard ammunition in a similar size rifle, with less bullet drop and increased energy on target. Hybrid Case Technology was developed for the U.S. Militarys Next Generation Weapon Systems. Specifications for SIG SAUER Hybrid Match .277 Sig Fury 155 Grain OTM Match Brass Cased Centerfire Rifle Ammunition: Manufacturer: SIG SAUER Cartridge: .277 Fury Number of Rounds: 20 Bullet Type: Open Tip Match (OTM) Bullet Weight: 155 grain Cartridge Case Material: Brass Application: Training Package Type: Box Features of SIG SAUER Hybrid Match .277 Sig Fury 155 Grain OTM Match Brass Cased Centerfire Rifle Ammunition SIG FURY Hybrid Case Ammunition outperforms traditional brass case ammunition with increased velocity, less bullet drop, and increased energy on target Legendary Sierra MatchKing HPBT specifically developed to perform in the higher pressure 277 SIG FURY Hybrid Match round. Delivers magnum performance in a standard short action rifle Package Contents: SIG SAUER Hybrid Match .277 Sig Fury 155 Grain OTM Match Brass Cased Centerfire Rifle Ammunition