The X4MSD Picatinny Aluminum Quad Rail is designed the for AR15/M4/M16 rifles providing durability, reliability, and balance during combat. The X4MSD Picatinny Aluminum Quad Rail allows the option of a Pictainny rail for additional accessories of mounting tactical lights, slings, grips, etc. It is defined 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 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 and back
? The bottom rail is secured with friction fit ledge and a retractable spring loaded piston
? Slots around the rails provide maximum ventilation
? CNC machined from aviation grade aluminum to MIL-1913 standard
? Accepts grenade-launcher
? Manufactured with a hard anodized black oxide finish for durability
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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.