The U.S. Army is entering a new era with the introduction of the SIG SPEAR XM7 rifle, set to replace the long-serving M4. In ...

无论选择哪种口径，当第一批XM250班用机枪部署到美军部队时，就已经显示出全新设计的6.8×51mm弹药与现役的7.62×51mm弹药之间的性能差异。现役的7.62×51mm口径M240排级中型机枪比XM250班用机枪更重、射程更近、终端能量更低。

MTD测试主管Troy Willey说：“NGSW的先进性能和全面培训计划将大大提高我们部队的杀伤力和生存力，并确保他们为未来的作战行动做好准备，6.8mm弹药具有出色的弹道性能，NGSW总体上代表了杀伤力的重大飞跃。” ...

Following the adoption of the M17/M18 pistols, the XM7 carbine and the XM250 light machine gun, SIG became a premiere ...

A soldier fires a XM7 rifle during the 2024 Army National Guard Best Warrior Competition at the Army Mountain Warfare School, Jericho, Vermont, Aug. 6, 2024. (Sgt. Lianne M. Hirano/Army ...

Oct. 9, 2024 — Dyslexia and dyscalculia are most commonly acknowledged as posing challenges linked to people's literacy and numeracy. However, a new study has shown those with the conditions may ...

Nov. 4, 2024 — Evolutionary biologists report they have analyzed a fossil of an extinct giant meat-eating bird -- which they say could be the largest known member of its kind -- providing new ...

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Shocking footage has emerged from Spain showing parts of Valencia becoming completely engulfed by the deadly flash flooding that appeared from nowhere and has left at least 217 dead. Torrents of ...

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Canadian and U.S. accusations of assassination plots have drawn attention to the Sikh separatist movement, which India calls a source of organized crime. By Anupreeta Das As the country reels ...