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25 mar 2022 · Kalibry 7,62×39 i 5,56×45 toczą od wieków rywalizację o to, który jest lepszy w walce. Powstały setki mitów o wyższości jednego nad drugim. Zarówno rosyjski jak i NATO-wski kaliber mają za sobą doświadczenie na polu walk w wielu konfliktach zbrojnych na całym świecie.
23 lut 2023 · In terms of self-defense, we’ve got a tricky call to make. On the one hand, the 5.56×45 has less recoil and is more controlled for rapid follow-up shots. On the other, 7.62 is a bigger number than 5.56. Bigger bullet = bigger holes, that’s just simple math.
10 maj 2024 · The 7.62 is a heavier round that has better penetration but less velocity. The 5.56 is a more accurate round with a flatter trajectory. The 5.56 is also a more capable full auto round. But, the 7.62 holds more of its velocity over long distances, meaning it can accurately reach targets at further distances. It also produces more muzzle energy.
A 7.62x39 will typically fire a 123 grain bullet while the 5.56 NATO cartridge will typically fire a 55 or 62 grain bullet (although heavier bullets can also be used). Assuming a 7-pound rifle, the 7.62 will have approximately 8.5 ft-lbs of felt recoil compared to 5 ft-lbs of felt recoil for the 5.56 NATO round.
The 5.56 NATO rounds lose between 40-50″ while the 7.62×39 rounds drop 90-100″. This is a significant bullet drop for both rounds, but the 7.62×39 is much more pronounced and will be a major factor in applications for these two cartridges.
2 dni temu · Although the 5.56x45 has a metric name, it uses the same 0.224-inch diameter projectiles as the 223 Remington. The 7.62x39, on the other hand, uses much larger projectiles that typically fall between 0.310-0.311 inches in diameter. This equates to an increase in diameter of 39% over the 5.56, making a big difference in projectile weights.
10 paź 2022 · Whether building an AR-15, cruising a gun show, or staring at a wall of ammunition at your local gun shop, most shooters have come across or at least heard of 7.62x39mm and 5.56 x45mm. These two cartridges are some of the most abundantly available ammunition choices on the planet.
