The Mossberg 514 Barrel Kit (brand part no. 92514) is a 12-gauge, 14-inch heavy-wall replacement barrel assembly built for the Mossberg 500 and Maverick 88 6-shot shotguns, finished in traditional Parkerized steel with a cylinder bore and bead sight. Mossberg’s 500 platform has logged more than 50 years and 10 million units in the field as the only pump action ever declared MIL-SPEC, and this kit lets an existing 500 or Maverick 88 owner reconfigure their shotgun’s barrel length and choke setup. Because a 14-inch barrel falls under the federal 18-inch minimum for shotguns, installing this kit on an already-registered Mossberg 500 or Maverick 88 legally requires the owner to have an ATF-approved Form 1 in hand before assembly; doing so without prior approval creates an unregistered short-barreled shotgun, a federal offense. This kit is sold as a barrel and assembly hardware only and does not include a receiver.

Key Specifications

• Chambered in 12 gauge with a 14-inch heavy-wall barrel.
• Cylinder bore, with no choke tube system installed.
• Fitted with a bead sight for close-range pointing.
• Finished in traditional Parkerized steel.
• Compatible with Mossberg 500 and Maverick 88 6-shot models.
• Sold as a barrel and assembly kit, not a complete firearm.

Frequently Asked Questions

Can I install this on my Mossberg 500 without any paperwork? No. Because the finished barrel length is under 18 inches, you must have an approved ATF Form 1 in hand before installing it on a shotgun-configured receiver, or the resulting firearm becomes an illegal, unregistered short-barreled shotgun.

Does this kit include a receiver? No, it is a barrel and assembly hardware kit designed to fit an existing Mossberg 500 or Maverick 88 receiver.

What choke system does this barrel use? It is bored cylinder, with no interchangeable choke tubes.

Buy the Mossberg 514 Barrel Kit

If you already hold an approved ATF Form 1 for a short-barreled 12 gauge, this Parkerized 14-inch kit is a factory-correct way to finish the build. Order this Mossberg kit from our short barrel shotgun category, and contact our Lubbock, Texas team with any compliance questions before you order.