BAKFlip MX4 21-23 F150 5ft.7in. (Includes Lightning) 2016-gmc-sierra-2500-hd-esi2074368 The MX4's resilient infrastructure is

The MX4's resilient infrastructure is designed for everyday use

The BAKFlip G2 hard folding truck bed cover is the smartest investment when your job calls for a cover that offers full bed access when you need it

When opened

manufactured and assembled in the USA

and the ultra-low profile design provides a stylish

BAKFlip MX4 21-23 F150 5ft.7in. (Includes Lightning) 2016-gmc-sierra-2500-hd-esi2074368 The MX4's resilient infrastructure isIntroducing the BAKFlip MX4, featuring heavy duty aluminum matte finish panels that offer superior UV and scratch resistance, and an enhanced premium density foam core. The MX4 is the upgrade to the G2 aluminum series, equipped with upgraded latch housing components, and an integrated tailgate seal that allows the cover to be closed with the tailgate in the closed or open position. This heavy duty, all season truck bed cover is designed to perform in