Mossberg 500
The 500's dual action bars and steel-to-steel lockup have made it the default pump shotgun for fifty years, but the factory gun ships with almost nothing beyond a bead sight. A sling mount and a shell carrier are the two additions nearly every owner ends up making, in that order, and neither requires drilling or gunsmithing.
Start with these three
A forward sling mount so the gun can be carried hands-free, and a receiver-mounted shell carrier that puts six reloads exactly where your support hand already is.
Everything for the Mossberg 500
Range Bags & Gear
4 items
Cleaning & Maintenance
7 items
Mossberg 500 questions
Will a sidesaddle shell carrier fit any Mossberg 500?
Fit depends on the forend, not just the receiver. Standard-length forends clear a sidesaddle without modification; some field or youth-model forends run long enough to contact it, which the product listing will call out. Check your specific forend length before ordering, and size down to a 4-shot carrier if a 6-shot won't clear.
Does the 500 need gunsmithing to add a sling mount?
No. The Magpul SGA mount and similar aftermarket options clamp to the magazine tube or bolt to existing stock hardware, not to drilled holes in the receiver. That's the main reason these particular mounts, rather than a drill-and-tap sling stud, are the standard recommendation.
12-gauge or 20-gauge accessories, does it matter which I buy?
Yes; sidesaddles and magazine-tube-mounted sling adapters are gauge-specific because the shell and tube dimensions differ. Always match the listing's stated gauge to your receiver, not just the Mossberg 500 model name.