BAKFlip MX4 Vs. BAK Revolver X4

Updated on May 14, 2025

RealTruck Expert Team
Written by
 RealTruck Expert Team
Frank Bisciotti
Edited by Frank Bisciotti
Red Ford truck with a USA Soccer emblem parked on a lake shore.

BAK Industries manufactures some of the most secure and versatile tonneau covers on the market today. Two particular BAK covers, the MX4 and Revolver X4, have proven to be popular with thousands of truck owners. While they have similar-sounding names, these two covers have little in common besides the letter X and the number 4. In this article, we explain the differences between the MX4 and Revolver X4 so you can choose the best cover for your truck.

BAKFlip MX4

Hard Folding

Silver pickup truck with black bed cover and chrome wheels.

The cover folds backward toward the cab to expose the bed.

Matte-Black Aluminum

Rear view of a silver Toyota Tundra pickup truck with a truck bed cover.

The MX4 panels are made of lightweight, rustproof aluminum.

Prop Rods

Silver pickup truck with a covered bed and black accents.

The cover folds up against your cab and is held in place with prop rods. It can also be folded to its last panel and secured with the included safety straps.

BAK Revolver X4

Hard Roll-Up

Orange pickup truck with black bed cover and black accents, viewed from the rear-left side.

The cover rolls backward toward the cab to expose the bed.

Aluminum Slats with Vinyl Top

Rear view of an orange Ford Ranger pickup truck.

A layer of premium vinyl protects the aluminum slats.

Safety Straps

Orange pickup truck with an open cargo bed and a mounted fire extinguisher.

Roll the cover up and secure it in place with the included safety straps.

If you have any questions about BAK tonneau covers, contact our product experts.

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