25-06 Remington History and General Information.  The 25-06 remington originally was a wildcat cartridge first introduced by A.O.Niedner in 1920 based on 30/06 brass necked down to .257 caliber, it was adopted by remington and introduced to the public in a remington model 700 rifle in 1969.  The 25-06 remington is a dual purpose cartridge it can be used for varmints sending a 75 gr. bullet out the muzzle at a sizzling 3,700 fps., making this a good varmint round or it can be used as a big game cartridge sending 120 grain bullets out the muzzle at speeds of 3,100 fps., it has sufficient power out to the 400 yard mark for deer sized game animals.  The 25-06 remington with the power it offers down range will also recoil somewhat to the shooters shoulder but is still quite pleasant to shoot.   25-06 Remington Barrel Specifications. Common Barrel Twist Rate - 1/10 Bore Groove Diameter - .257"   25-06 Remington Reloading Specifications. Bullet Diameter - .257" Maximum Case Length - 2.494" Trimmed Case Length - 2.484" Primer Size - Large Rifle   25-06 Remington Loading Data Hints.  The 25/06 remington responds well to very slow burning powder such as i.m.r.7828 when using heavier 117 to 120 grain weight bullets. 25-06 Remington Reloading Data. Hodgdon Reloading Data Center. 25-06 Remington Rifles. New Browning, Remington & Winchester, 25-06 Remington rifles here.  Sponsor - Impact Guns.   25-06 Remington Trajectory and Hunting Applications.  This is a down range trajectory chart for the 25-06 Remington cartridge with the scope mounted 1.5 inches above the bore center line plus if you were using this load, its effective hunting bullet energy range with well placed shots on, Varmint / Predator size game, such as Bobcat, Cougar, Coyote. Deer size game, such as Antelope, Blacktail, Hogs, Javelina, Mule, Whitetail. Elk size game, such as Caribou, Black Bear, Sheep. Moose size game, such as Brown Bear. Bullet diameter .257" Bullet weight 120 grains Bullet ballistic coeffecient .414 Bullet velocity 3,100 feet per second Range 100 yds. 200 yds. 300 yds. 400 yds. 500 yds. + + 1.4 0 - 6.6 - 19.2 - 39.4 2184 1851 1560 1309 1094  Varmint + + + + + +  Deer + + + + - -  Elk + + - - - -  Moose - - - - - - Copyright 2001 - 2010