The Daniel Defense RIS II free-floating Picatinny rail systems are designed to allow individual operators to quickly, and without special tools, mount the M203 Grenade Launcher and …

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A machined aluminum multi-rail handguard specifically designed for the Special Operations Command (SOCOM) M4A1 carbine, the RIS II enables installation of an M203 40mm grenade …

The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a …

The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional parts. As importantly, special tools are not required to mount the M203 …

2020年3月25日 · The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional parts. As important, special tools are not required to …

关于dd ris2护..一楼给度娘如题，楼主一直想复刻一把m4 cqbr block2，最早是用sj一代机匣+蒙古人ris2 狼棕护木，但是装上后落差很大。 后来又换了sj二代机匣，还是8行，最近换了ldt新出 …

RIS II的结构改进自Lite Rail，固定方式相同，但护木为了方便安装M203而从原型的一体式改成了上下两片式，而由于固定方式的改进，RIS II也不会出现RAS那种会被扭转的情况了。

Incredibly rigid when installed yet weighing in at just 17.7 Oz, the RIS II M4A1 free float quad rail is the perfect option for clone-correct builds or anyone looking for the toughest rail on the …

The Daniel Defense MK18 R.I.S. II free floats a standard M203 grenade launcher and does so with a system that does not require drilling, port maintenance, or permanent modification to the …