推荐回答（2个）
不是
此为雷明顿官网的介绍
R4™
The M16-type family of rifles and carbines has more than 40 years of
field-proven reliability and versatility, and Remington has more than 195 years
of experience providing unmatched quality and value in firearms. With the
introdcution of the R4 platform, more than 5,000 different components and
accessories, and a fully integrated line of Advanced Armament Corp. flash
hiders, muzzle breaks, and suppressors, operators now have more options than
ever before. Whether the mission demands the compact portability of a personal
defense weapon or the long-range precision of a marksman rifle, Remington offers
a solution that you can count on to perform every time.
雷明顿R4和HK416从名字就可以看出 不是一种枪械 其分别来自德国HK（也就是黑克勒和科赫）
和美国本土的雷明顿公司
本质上讲他们都是M16枪族 从M4上改进而来的产品
不过不是同一把枪
望采纳！！
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