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| Name | This Is Why the U.S. Military Uses 5.56mm Ammo Instead of 7.62mm |
| Video Uploader | Video From US Defense News |
| Upload Date | This Video Uploaded At 27-06-2021 17:56:16 |
| Video Discription | There has been much debate of the allegedly poor performance of the bullet on target in regard to stopping power, lethality, and range. Some of this criticism has been used to advocate an intermediate-sized cartridge between the 5.56 and 7.62 NATO sizes while criticisms of poor barrier penetration, and accuracy have been used to support the M855A1 EPR round. Arguably, the criticisms about range, accuracy and lethality are related to the change in barrel length and twist between the M16 and M4. Hit probability refers to the ability of a soldier to concentrate on firing in spite of their weapon's recoil and noise, which is noticeably different between the two cartridges. The 7.62 NATO has twice the impact energy of the 5.56 NATO, preferable if a target is protected by higher level armor, especially at "medium" range. approximately. A 5.56 NATO round fired from a 20 in (510 mm) barrel has a flatter trajectory than a 7.62 NATO round fired from a barrel of equal length, while the 5.56 NATO fired from a 14.5 in (370 mm) barrel has the same trajectory as the 7.62 NATO from a 20 in barrel, as well as the same time of flight. A 7.62 NATO round reaches 50 percent of its velocity within 80 mm (3.1 in) of the barrel when fired, so decreasing the barrel length for close quarters combat results in increased muzzle pressure and greater noise and muzzle flash. Support us: Facebook: https://www.facebook.com/usdn.official Instagram: https://www.instagram.com/US_DefenseNews/ For Copyright matters please contact us at: usdn.official@gmail.com |
| Category | Science & Technology |
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