The NTW-20 is a South African anti-materiel rifle, developed by Denel Mechem in the 1990s.

现在NTW-20已经研制出第3种变形枪，发射20×110mm希斯帕诺（Hispano Suiza）炮弹，但这个型号却不能像上述两个型号那样互相转换，而且没有可拆卸弹匣，只能单发装填射击。 防务展上的NTW-20.

NTW-20狙击步枪是NTW-20型20mm大口径狙击步枪，这是一种远距离反器材步枪，具有南非特色和拥有强大的火力，采用二人手提式组件配置，NTW-20的研制开始于1995年8月，最初是由南非的埃罗泰柯（Aerotek）公司设计出了工作原理样机。 NTW-20型14.5mm口径采用二战时前苏联14.5mm高速穿甲弹药，这是当时为PTRD和PTRS反坦克步枪发展的。

2024年11月9日 · What we have here is actually a fully locked-breech 20mm bolt-action rifle. We’ve got a Mauser-style bolt here, nine locking lugs on it.

The RT-20 is a Croatian bullpup anti-materiel rifle developed by Metallic in Rijeka in the mid-1990s and marketed by RH-Alan. [1][2] The name itself is an acronym of the Croatian word Ručni Top 20, or "Hand Cannon 20mm". Operating with a bolt action, it houses a single 20mm round and must be reloaded after each shot.

RT-20型20毫米大口径狙击步枪是一种威力十分强劲的大口径狙击步枪，既能打装甲车，也能打直升机。 它于1990年出世 ，全名为RT-20型大口径狙击步枪，由克罗地亚RH-Alan公司制造。 大口径狙击步枪主要用于反器材，能够摧毁1~2公里远距离上的轻型防护目标，在二战时期广泛应用，后在一些局部冲突中也发挥出重要作用。 不是以人员杀伤为主要用途，而主要用于打击高价值军事目标，如停机坪上的飞机、盘旋的直升机、轻型装甲车辆、通信车、油罐、雷达、监测系统 …

NTW-20 is a manually operated, rotating bolt action rifle. The barrel is locked by the rotating bolt that has 6 lugs. The barrel along with the receiver could recoil inside the chassis frame against combined hydraulic and pneumatic damping system. Large two-chamber muzzle brake also helps to keep recoil at the acceptable level.

如何评价NTW-20这支狙击枪？ 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。 知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视、时尚、文化等领域最具创造力的人群，已成为综合性、全品类、在诸多领域具有关键影响力的知识分享社区和创作者聚集的原创内容平台，建立起了以 …

Created by noted South African gun designer Tony Neophytou, the NTW-20 is a bolt action anti-materiel rifle made in 20x82mm, 20x110mm, and 14.5x115mm. The weapon began as idea to use the large quantities of surplus 14.5mm ammunition available at the time, and a recognition that the 14.5mm Soviet ...

2024年8月5日 · During its Homeland War, Croatia manufactured a wide variety of ad-hoc firearms including a number of anti-material rifles. The RT-20 was the largest of these, and its development began with the discovery of a stash of Yugoslav M55 anti-aircraft cannon barrels chambered for 20mm Hispano in a warehouse.