~ The 6.53 (.257) Lazzeroni Scramjet was introduced in 1996 by John Lazzeroni for hunters looking to take game at or over 500 yards. With a 30 degree shoulder, and little body tapper, this cartridge will send a .257" diameter, 85grain projective down the barrel at a screaming 4,000 Feet per Second. With a 120 grain projectile the cartridge will produce over 3,200 foot Pounds of Energy. This makes this cartridge the best 25 caliber on the market. Below cartridge has 100 grain Lubed Swift A-Frame Projectile |