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Thanks to the large number of rifles based on the .30-06 family of cartridges, having a .338-06 made usually only requires a simple barrel change by a competent gun smith. Since the 1960's a relatively obsure cartridge only known to handloaders and "Wildcatters", eventually A-Square adopted the caliber as the .338-06 A-Square in approximately 1998.
One outcome from this transition to using measurement transducers is, for example, that a Speer reloading manual from 1987 lists all SAAMI pressures in CUP, while current references list nearly all pressures in MPa. Another outcome is that design margins are now better determined, which has the effect of increasing the long-term safety of ...
The table above shows typical muzzle velocities available in commercial 30-06 loads along with the maximum .30-06 muzzle velocities reported by several reloading manuals for common bullet weights. Hodgdon, Nosler, and Barnes report velocities for 24 inches (610 mm) barrels. Hornady and Speer report velocities for 22 inches (560 mm) barrels.
The .358 Norma Magnum is a rifle cartridge introduced in 1959 by Norma.The cartridge is closely related to the .308 Norma Magnum and both cartridges share the same case head dimensions as the .300 H&H Magnum, but have far less body taper, resulting in the same internal capacity in a shorter case. [1]
Since cases for the .280 RCBS could be formed by firing .280 Remington ammo in a rifle chambered for the former, Ackley abandoned the 7mm-06 Improved and started chambering rifles for the .280 RCBS. He then changed the 35-degree shoulder to 40-degrees and the .280 Ackley wildcat was born.
Care must be taken to confirm what twist rate was used, as the earlier West German 7mm Weatherbys used a 1-in-12 twist vs the faster 1-in-10 twist for those of later manufacture. The 1x12 twist rifles will not stabilize bullets over 150 grains, while the 1x10 twist rifles will stabilize bullets weighing up to 175 grains.
It was introduced with the Remington Model 722 bolt-action rifle. [4] The accuracy and flat trajectory of the bullet resulted in the adoption of the round for varmint and benchrest rifles. The faster .220 Swift and .22-250 Remington provided more reach than the .222 Remington. These larger cartridges have roughly 50% more power than the .222 ...
The 7mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, [2] along with the new Remington Model 700 bolt-action rifle.It is a member of the belted magnum family that is directly derived from the venerable .375 H&H Magnum. [3]