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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Tensions flared in Belagavi, Karnataka, after a poster depicting Mughal emperor Aurangzeb as the "real founder of Akhand Bharat" was removed by police. The poster, installed by unidentified youths ...