The Knight's Armament (KAC) RAS AR-15 Quad Rail 12" is a premier accessory for your rifle, offering both collectors and shooters a piece that combines historical significance with modern functionality. This rail system, crafted by the renowned Knights Armament, is in good condition with minor cosmetic signs of prior use. Its structural integrity and performance remain unaffected, ensuring it continues to deliver the precision and reliability expected from such a high-quality component. Included in this offer are three KAC 11 Rib Rail Panels, making it a ready-to-use upgrade for your AR-15.
This Rifle Length Free Float RAS features full-length mil-spec M1913 Picatinny rails positioned at 12-, 3-, 6-, and 9 o'clock, facilitating the attachment of numerous tactical accessories. By floating the barrel, it allows for consistent barrel harmonics that enhance accuracy. Designed for AR-15/SR-15 platforms with carbine or mid-length gas systems, it requires a low-profile gas block, disassembly of the gas system, and removal of the factory barrel nut. Please note, this system uses a proprietary barrel nut (not included), which can be installed using a standard AR-15 armorer’s wrench. Installation instructions are provided for ease of setup.
Initially developed in the late 1990s, the KAC RAS played a pivotal role in the modularization of firearms, widely adopted by military forces for its versatility and durability. This system allowed soldiers to adapt their weapons with various accessories to suit different missions, showcasing its practical design and robust build quality. For modern AR-15 enthusiasts, this translates to a highly adaptable and reliable system that enhances a rifle's performance in both tactical and competitive environments.
The Knight's Armament RAS AR-15 Quad Rail 12" stands out as a superior choice for those seeking to upgrade their rifle with advanced, military-proven technology. Its precision engineering and long-standing reputation for excellence make it an indispensable component for any serious shooter or collector.