The X4MS Picatinny Aluminum Quad Rail for AR15/M4 rifles with durability, reliability, and maintaining balance while interfacing with all issued weapon system components. The X4MS Picatinny Aluminum Quad Rail defines as a superior zero retention by having the upper three rail section mount underneath the end cap and secured in a place with a friction fit ledge with roll pins. The receiver end of the X4MS is tightly secured to the barrel with a nut bracket attached to the upper three rail section with four captive flathead screws. The bottom rail uses locking lugs with a retaining pin for a secure mount to the upper hand guard.
? Top rail creates one long monolithic rail along with the existing flat top rail
? Equipped with two push button sling swivel mounting points in the front
? Slots around the rails provide maximum ventilation
? Constructed of Alumium material
? CNC machined to MIL-1913 standards with a hard anodized black oxide – ease for maintenance
? Compatible with grenade-launchers
WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. CAA USA shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.
8.5 × 12 × 2 in
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