The SI AR Ultimate Dust Cover is constructed of a high-density polymer for a more durable and functional dust cover. The features an adjustable detent set screw in order to compensate wear on the receiver and increase or decrease opening power.
Spring-loaded internal detent rod for easy installation and take-down.
Constructed with lightweight durable polymer material
Will never corrode rust or fade
Will never deform or get bent out of shape
Comes in a variety of designs
True Seal internal lip that seals the port tighter than traditional dust cover designs.
Built-in adjustable detent set screw to compensate for wear on the receiver.
Available for AR-15 and AR-10
1x Dust Cover
We strongly recommended applying blue Loctite threadlocker to the ball-detent thread after being adjusted.
WARNING: Modifications are made at your own risk; Modified UDC's will NOT be accepted if returned.
COMPATIBILITY: Due to no Mil-Spec standards for AR-10 upper receivers, the SI Ultimate Dust Cover for .308 will require fitment by user with light filing/sanding.
NOT COMPATIBLE: The SI .308 UDC is not guaranteed to fit all receivers nor be able to be modified to fit due to there being no standard for the AR10 platform.
PayPal is not available as a payment option for this product.
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.