M4A1 FSP Rail Interface System, RIS II (FDE) | Daniel Defense
SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional parts.
Daniel Defense M4A1 FSP Rail Interface System RIS II - OpticsPlanet
Mar 25, 2020 · SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government's need. The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional parts.
DANIEL DEFENSE AR-15 RAIL INTERFACE SYSTEM II - Brownells
FSP RIS II models have a cutout in the top rail that allows retention of the standard A2 gas block/front sight tower on a carbine-length gas system. MK 18 RIS II is specifically designed for an M4A1 carbine with Mk18 CQBR (Close Quarters Battle Receiver) upper receiver and 10.3" barrel.
Daniel Defense M4A1 FSP RIS II Quad Rail AR-15 Handguard - Primary Arms
The Daniel Defense RIS II M4A1 freefloat handguard is one of the toughest and most effective rail systems for AR-pattern rifles available on the market to date.
Daniel Defense M4A1 FSP Rail Interface System (RIS) II - 01 …
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 mount the M203 grenade launcher.
- Reviews: 1
The M4A1 RIS II is designed to accept an M203 grenade launcher while maintaining a free-float barrel. 1. Remove lower rail assembly by loosening and then removing four lower rail attachment screws. Place two of the lower rail attachment screws back into lower rail assembly for safekeeping. 2. Locate M203 hanger tabs inside upper rail assembly and
Daniel Defense RIS II M4A1 FSP FDE Rail Interface System …
The RIS II utilizes Grade 8 Mili-Spec fasteners, and a battle-tested 6-bolt system to attach to the handguard of the upper receiver. Features: Free-Floating barrel design; Two-Piece Design for USSOCOM Allows For the Attachment of an M203 Grenade …
- Reviews: 1
Daniel Defense RIS II M4A1 FSP Handguard Quad Rail Assembly …
The RIS II FSP features a cutout to allow the use of an A2 front sight post on a carbine length barrel. The Daniel Defense RIS II was developed at the request of USSOCOM for the SOPMOD II program. This specific requirement resulted in a free floating M203 mounting solution without the need for specific tools.
Daniel Defense M4A1 FSP Rail Interface System (RIS) II, Black
Two-Piece Design for USSOCOM Allows For the Attachment of an M203 Grenade Launcher When Lower Rail Section is Removed. 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.
M4A1 FSP Rail Interface System (RIS) II - Extreme Tactical
The Daniel Defense RIS II M4A1 FSP feature a cut out in the top rail to accomdate a standard front sight base on a carbine length gas system.