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The .22-250 is essentially a Varmint / target cartridge but is commonly used on lighter medium game where ever its use is allowed. This cartridge is best suited to game weighing up to 40kg (90lb) and up to a safe maximum of 60kg (130lb). Heavier game of up to 80kg (180lb) require very careful shot placement.
Whether using varmint or premium bullets, the .220 Swift, like other .224’s, is best suited to game weighing around 40kg (90lb) and up to 60kg (130lb) as a safe maximum. This cartridge does not produce a high level of hydrostatic shock but with suitable loads, death from chest shots at close range occurs very quickly.
The .25-06 grew in popularity until finally, in 1969 Remington adopted and introduced the cartridge as the .25-06 Remington. The .25-06 has the distinction of being the first wildcat to have been based on the .30-06 case and lessons learned probably helped towards the development of the .270 Winchester. Remington initially introduced two loads ...
This success continued and in competition shooting, the .222 remained popular for many years. The .222 was later rivaled by the .22-250 officially introduced in 1965 and then in 1975 with the introduction of the .22 PPC firing a 52 grain bullet at 3500fps. The .22 PPC is based on the .220 Russian, which is in turn based on the 7.62x39.
Using a 25 caliber (.257") 87 grain bullet, Newton designed the new cartridge to break the 3000fps barrier. Newton also had a catchy slogan which he was determined to use - the .250-3000. Arthur Savage, founder of the Savage Arms company, wasn't so sure about the idea and believed a 100 grain bullet would be more suitable for deer.
The .257 Weatherby was one of Roy Weatherby’s earliest creations and quickly became his favorite. Introduced in 1948 the .257 is based on the .300 Holland and Holland case, shortened to 2.545" and necked down to .25 caliber. As far as Weatherby's philosophy of fast killing through high velocity went, the .257 achieved this goal in spades.
At the time the most commonly used rifle for converting to .22 Hornet was the 1922 Springfield .22 long rifle. Because the groove diameter of the .22 long rifle measured .223”, the Hornet was loaded with .223" caliber bullets. The Production of commercial rifles eventually saw the change from .223" to .224" groove diameters, today, Hornet ...
The .240 Weatherby Magnum is certainly a unique cartridge. While it is quite capable of handling heavy deer species such as Elk and Sambar, often with little fuss, its true strengths are found when, like other 6mm’s, it is utilized as a lighter medium game cartridge. In this role, the .240 is a spectacular killer and does so out to a useful ...
Finally in 1963, Roy Weatherby introduced the .224 varmint master. This .224 cartridge was a scaled down version of the .300 Weatherby, giving ballistics almost identical to the .22-250. To obtain the maximum amount of power, the chambers of the .224 were cut long to allow a longer peak pressure to build up bullet speed (a necessity of the RUM ...
The Hi Power was not only designed for use on varmints but also, Savage hoped the cartridge would be ideal for larger medium game. Designed by Charles Newton and released in 1912 for the Model 99 rifle, the .22 Hi power fired a 70 grain .228 caliber bullet at a then fast, 2790fps. The .22 Hi Power was given the same mystical kudos as Remington ...