2014年5月21日 · The M855A1 enhances the M4’s and M16A2’s lethality, boosts barrier penetration, and is more accurate than the old M855.

The M855A1 has emerged as a groundbreaking advancement in the world of 5.56 mm ball ammunition, surpassing its predecessors in performance, accuracy, and penetration capabilities. This comprehensive guide delves deep into the engineering, specifications, and real-world applications of M855A1, providing enthusiasts, professionals, and the gaming ...

The M855A1, a 5.56 mm Ball ammunition, is an enhanced performance round for today’s combat and training environments. It works with the M4 Carbine, the M249 machine gun, and the H&K and M16A2...

M855 Ball for M249 SAW Requires 1:7 barrel twist for flight stability Unsuitable for use in M16A1

2021年3月27日 · 弹丸外形区别，从左至右：M193，M855，M855A1，M855A1。 弹丸外侧有黑色胶状物质，就是填充在弹丸与药筒之间空隙的化学密封剂。 这种密封剂也是军用与民用弹药之间的重要区别，为了节省成本，普通民用弹药都不会使用密封剂，因此发射药和底火容易受潮。 而军用弹药需要考虑全天候使用的需求，因此会使用密封剂。 部分经验丰富的猎手都会随身携带一些军用规格的弹药，就是为了在雨天时不会因为发射药受潮而影响射击的精度和可靠性。 越战期 …

2024年10月4日 · The M855A1 is at least an additional 200+ feed per second over the M855/M193 ball ammunition that the 5.56mm cartridge was designed around. Fire cutting of the gas port is drastically increased, which with use, the cyclic rate increases even further.

2010年11月26日 · The M855A1 EPR is a significantly improved 5.56mm round that provides excellent soft target consistency and vastly better hard target performance, and increases our Soldiers' effectiveness at ...

2023年12月23日 · M855A1是M855的改进型号，是一种5.56毫米口径的步枪弹药。 以下是M855A1的一些主要特点和改进： 弹头设计： M855A1采用了改进的弹头设计，使用铜制弹头，而不再使用M855中的钢制芯心。 这个设计有助于提高弹药的穿透力和停止能力。 Enhanced Performance Round（EPR）： M855A1也被称为Enhanced Performance Round（EPR），这反映了其在性能上的改进。 EPR的设计目标是在各种条件下提供更一致的性能，包括穿透护甲 …

M855A1 Enhanced Performance Round (EPR) –Environmentally friendly cartridge that performs significantly better than any other military 5.56mm cartridge –Represents a significant performance improvement in a 5.56mm bullet •Hard target performance (steel) far better than 7.62mm ball •Soft target performance similar to 7.62mm ball

2024年3月13日 · Ballistically, the M855A1 is superior to standard 5.56 rounds in several respects. It has a higher muzzle velocity and maintains stability and accuracy over longer distances. The round’s aerodynamic design reduces drag, allowing for a …