This Mossberg 590 Fixed Brace Kit comes as a complete kit that’s ready to assemble and includes everything you need.  Plus a bonus QD adapter installed on the SBM4 strap to attach any quick detach QD sling swivel.

This kit fits all Mossberg 500/590/590A1 12GA and 20GA receivers.

Includes

• SB Tactical® SBM4™ Brace mounted on a standard pistol receiver extension with collar
• ERGO Mossberg 590 adapter for 12GA and 20GA Models
• ERGO Flat Top SUREGRIP®
• Castle nut
• SB Tactical® QD Slider
• All required mounting hardware

Are pistol braces legal?

Short answer – yes. For an update on the ATF Pistol Brace Rule check here.

A word from the lawyers: This product is designed and intended only for use as a forearm brace to provide a more stable firearm platform. It is neither designed nor intended to be fired from the shoulder. As configuration changes may alter the classification of a particular firearm, the user bears sole responsibility for determining the correct application of state and federal law.