SKU: UBM40-0511
MPN: 40-0511
The U-B Machine Formed Rack Plate Narrow (MPN 40-0511) is a precision-engineered mounting component designed for operators who need dependable accessory attachment on rifle systems and equipment racks. This 3/16-inch thick steel plate features half-inch slots, providing secure pinion engagement for rail-based mounting configurations common in modular weapon systems, optics platforms, and tactical equipment organization.
The narrow profile and precisely formed geometry make this component ideal for space-constrained mounting applications where standard plates would create excessive bulk. At 0.68 lbs and measuring 5.55 x 1.45 x 7.85 inches, the plate integrates seamlessly into compact system architectures without compromising structural integrity. The natural steel finish allows for finishing customization—operators frequently apply Cerakote, Teflon, or other protective coatings to match system aesthetics and enhance corrosion resistance. The 1/2-inch slots are compatible with standard rack-and-pinion systems widely used across AR platforms, precision rifle builds, and mounted accessory configurations.
This plate serves armorers, gunsmiths, and serious shooters building custom systems where interface reliability matters. Whether configuring a precision rifle mounting solution, organizing a tactical equipment loadout, or integrating modular accessories on a patrol carbine, the U-B Machine Formed Rack Plate Narrow provides the precise mechanical interface required for repeatable, zero-shift mounting. Operators in both law enforcement and competitive shooting environments rely on this style of component for systems demanding repeatability and dimensional stability.
Rack-and-pinion mounting systems remain the industry standard for reliable accessory attachment because they distribute load across multiple engagement points and resist lateral shift under recoil. The narrow variant addresses applications where lateral spacing is limited, making it essential for tight-tolerance builds and integrated rail systems.
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