X4MS CAA M16/AR15/M4 picatinny aluminum quad rail
This is a backorder. Handling time may take up to a month.
Designed to exceed the newest requirements of the US Army for improving zero retention/repeatability.
-
Upper three rail section mount underneath the end cap & secured in place with a friction fit ledge & roll pins.
-
The receiver end secured with a barrel nut bracket that is attached to the upper three rail section with four captive flathead screws.
-
The bottom rail is secure with friction fit ledge & with a retractable spring loaded piston.
-
Four full length rails - top rail creates one long monolithic rail
with the existing flat top rail.
-
XM4S has two push button sling swivel mounting
points at the front.
-
XM4SD has four push button sling mounting points at the
front and back.
-
Slots around the rails provide maximum ventilation around the rails.
-
CNC machined from aviation grade aluminum to MIL-1913
standards with a hard anodized black oxide finish for durability & ease of maintenance.
-
Accepts grenade-launcher.
