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What is the hardest bullet in the world?

.700 Nitro Express Bullet diameter .700 in (17.8 mm) Land diameter .688 in (17.5 mm) Neck diameter .730 in (18.5 mm) Base diameter .780 in (19.8 mm) 22 more rows

en.wikipedia.org - .700 Nitro Express - Wikipedia
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Big game rifle cartridge

.700 Nitro Express cartridge Type Big Game Rifle Place of origin United Kingdom Production history Designer Jim Bell / William Feldstein Designed 1988 Manufacturer H&H Produced 1988–present Specifications Parent case None Case type Rimmed, straight[1] Bullet diameter .700 in (17.8 mm) Land diameter .688 in (17.5 mm) Neck diameter .730 in (18.5 mm) Base diameter .780 in (19.8 mm) Rim diameter .890 in (22.6 mm) Rim thickness .086 in (2.2 mm) Case length 3.50 in (89 mm) Overall length 4.20 in (107 mm) Case capacity 316.9 gr H 2 O (20.53 cm3) Primer type Boxer; Magnum Large Rifle Ballistic performance Bullet mass/type Velocity Energy 1,000 gr (65 g) SP 2,000 ft/s (610 m/s) 9,000 ft⋅lbf (12,000 J) Source(s): Kynoch [2] The .700 Nitro Express (17.8×89mmR) is a big game rifle cartridge. The cartridge is typically charged with around 250 grains of powder, in addition to a two-grain igniter charge (to reduce the tendency of the cartridge to hang fire from such large powder charges).[3] The cartridge was introduced in 1988 by the boutique gunmakers Holland & Holland (H&H) of London, England. It was developed by Jim Bell and William Feldstein and built by H&H. Feldstein had tried unsuccessfully to get H&H to build a .600 Nitro Express for him, but they had already ceased production. However, when Bell and Feldstein produced an entirely new .700 Nitro Express cartridge, they were able to attract the interest of H&H, which was looking for a new big-bore cartridge. After production began, the backlog of orders was so great that it continued to 2007 and H&H restarted the production of .600 Nitro Express guns.[4]

Specifications [ edit ]

In many respects, this cartridge parallels the .600 Nitro Express. It is essentially a scaled-up version of that cartridge, but is somewhat more powerful, and fires a heavier 1,000-grain (64.8 g) bullet. The case itself is a completely new case, not simply another case resized. Double rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the .458 Winchester Magnum.

Single factory loaded .700 Nitro cartridges are available, typically at US$100 each.

Ballistics [ edit ]

The .700 Nitro Express develops an approximate average of 8,900 foot-pounds force (12,100 J) of muzzle energy with a 1,000 gr (65 g) bullet at 2,000 ft/s (610 m/s). Handloaders can push the cartridge to generate as much as 15,000 foot-pounds (20,000 J) of energy in a modern bolt action, by using a 1,000 gr (65 g) bullet fired at 2,600 ft/s (792 m/s). However, doing so necessitates a rifle so heavy it is almost inoperable for hunting purposes. Lathe turned cases as used in the Accurate Reloading rifle above will suffer blown primers at this level though a good source of drawn brass would allow (in theory) velocities up to 2,700 ft/s (820 m/s). The typical average muzzle velocity of a factory-loaded cartridge is 2,000 ft/s (610 m/s). In the 18-pound (8.2 kg) rifle used by Accurate Reloading this would result in recoil energy of approximately 160 ft⋅lbf (220 J). This is more than ten times the average recoil from a .308 Winchester which is a very common hunting caliber, and more than 4 times the recoil of a strong .45-70 Government round. .700 Nitro Express bullet and case with .45 ACP cartridge (centre) for comparison

Comparable calibers [ edit ]

Rifle calibers comparable to the .700 Nitro Express in terms of power and recoil include the following:

See also [ edit ]

References [ edit ]

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webmd.com - Signs of a Toxic Person - WebMD

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You’re constantly confused by the person’s behavior.

You feel like you deserve an apology that never comes.

You always have to defend yourself to this person.

You never feel fully comfortable around them.

You continually feel bad about yourself in their presence.

If you’ve experienced these feelings around someone, they may be toxic. If you constantly have such emotions, you may want to change the relationship or stop the relationship entirely.

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