Speer TNT .277 90 Grain Jacketed Hollow Point Rifle Bullet 650. Its thin precision jacket features internal fluting to ensure complete bullet disruption while its high ballistic coefficient produces the flattest trajectories possible. Specifications for Speer TNT .277 90 Grain Jacketed Hollow Point Rifle Bullet: Manufacturer: Speer Bullet Type: Jacketed Hollow Point (JHP) Hollow Point (HP) Bullet Weight: 90 grain Projectile Caliber: .277 Caliber Condition: New Features of Speer TNT .277 90 Grain Jacketed Hollow Point Rifle Bullet Thin precision jacket and internal fluting Great long-range accuracy High ballistic coefficients Long ogive and small hollow point Package Contents: Speer TNT .277 90 Grain Jacketed Hollow Point Rifle Bullet Speer 4723: TNT .277 90 Grain Jacketed Hollow Point Rifle Bullet 650