Berger 7mm Caliber Rifle Bullets 184 Grain F-Open Hybrid Target 1500 Bullets. This Rifle Bullet complements the 30 cal 200.20x Hybrid Target Rifle Bullet which was designed specifically for F-TR. Just like our 200.20x Rifle Bullet we took an existing design and optimized the ballistic profile to make it even better. Specifications for Berger 7mm Caliber Rifle Bullets 184 Grain F-Open Hybrid Target: Manufacturer: Berger Bullet Type: Hybrid Target Caliber: 7mm Remington Magnum Bullet Weight: 184 grain Bullet Quantity: 1500 Bullet Package Contents: Berger 7mm Caliber Rifle Bullets 184 Grain F-Open Hybrid Target Berger 28908: 7mm Caliber Rifle Bullets 184 Grain F-Open Hybrid Target 1500 Bullets