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Picatinny Aluminum Quad Rail
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 Picatinny 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
measurements:
Width (inch(es)) : 2.2
Height (inch(es)) : 2.4
Length (inch(es)) : 7.3