John Lazzeroni's proprietary .30-caliber ultra-magnum: the most powerful commercially produced .30-caliber cartridge of its era, generating over 4,800 ft-lbs with 200-grain bullets.
Type: Rifle
Introduced: 1996, United States
Parent case: None
Standardization: Proprietary
Bullet diameter: 0.308" (7.82 mm)
Case length: 2.82" (71.63 mm)
Overall length: 3.7" (93.98 mm)
Max pressure: 65,000 PSI
Rim type: Rimless
Primer: Large Rifle Magnum
Typical twist rate: 1:10
Muzzle velocity: 3300–3700 fps
Muzzle energy: 3628–4835 ft-lbs
Effective range: 800 yd
Common bullet weights: 150, 180, 200 gr
Primary use: Hunting, Target
Production status: Limited
Also known as: 7.82 Warbird · Lazzeroni 7.82mm Warbird
History: Released alongside the 7.21 Firebird in 1996 as the .30-caliber member of Lazzeroni's proprietary magnum family. The 7.82 Warbird uses the same massive case diameter as the Firebird, giving it powder capacity that dwarfs the .300 Winchester Magnum and approaches experimental territory. At 3,400 fps with a 180-grain bullet, it generates approximately 4,600 ft-lbs — rivaling dangerous-game calibers…
Notable firearms: Lazzeroni L2000ST, Sako TRG-S (custom)
Similar cartridges: .300 Norma Magnum, .300 PRC, .300 Rem Ultra Mag, 7.82 Warbird