The SI UDC 308 enables users to attach and detach the cover in 5 to 10 seconds with ease (stock dust cover will take more time to remove)! It is constructed of a high-density polymer making it more durable and functional than the traditional dust covers. The Ultimate Dust Cover features an adjustable detent set screw in order to compensate wear on the receiver and increase or decrease opening power.

• Package includes:- 1x Dust Cover, - 1x Spring, - 1x Pin.
• 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.