• A black metal cylindrical tool with two long angled arms and a separate black ring-shaped component, shown on a transparent background.
  • A black steel cylindrical tool with two long flat prongs extending from one end, shown alongside a separate black ring-shaped component on a transparent background.
  • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
  • A black steel cylindrical tool with a long forked prong attachment and a separate black ring-shaped component, shown on a transparent background.
  • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
  • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
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Action Slide Tube Assembly & Nut - 6 3/4" - Mossberg 500/590/88, 12g

$89.99
SKU: AT-06505
Note: Verify if your forend requires either a 6 3/4" or a 7 3/4" action slide tube assembly - to avoid a return shipping charge confirm that you ordering the...

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Note: Verify if your forend requires either a 6 3/4" or a 7 3/4" action slide tube assembly - to avoid a return shipping charge confirm that you ordering the correct length slide tube to install your new forend. The Adaptive EX Shotgun Forend includes a forend adaptor that allows for the use of either a 6 3/4" or 7 3/4" action slide assembly. 

  • Mossberg Factory Part 
  • 6 3/4" Slide Tube Length
  • All Metal Construction
  • Includes Nut

    High Quality Mossberg Action Tube Assembly




    Upgrade your Mossberg 12-gauge shotgun with this high-quality 6 3/4" Action Tube Assembly and Nut. Designed for compatibility with Mossberg 500, 590, 590M, and Maverick 88 models, this assembly is an essential component for enhancing the reliability and performance of your firearm. Crafted from durable all metal materials, the action tube ensures smooth and consistent operation, while the included nut provides a secure factory fit, making installation straightforward and hassle-free.

    Whether you're restoring an older shotgun or customizing a new one, this Mossberg Action Tube Assembly and Nut offers the precision and dependability you need. Perfect for hunters, sport shooters, and tactical applications, this OEM Mossberg part maintains the original specifications for a perfect fit and optimal function. Get back in the field or on the range with confidence, knowing your shotgun is equipped with the best.

    • Compatible with 12-gauge Mossberg 500, 590, 590M, and Maverick 88 models.
    • Durable all metal construction
    • Precision fit and dependability for hunters, sport shooters, and tactical applications.
    • Mossberg OEM part that maintains original specifications
    • Upgrade Maverick 88 Models with pinned forend 
    • Please see note regarding pre-ordering and estimated lead time
    *

    Note: For use with 12-gauge shotguns with barrels over 14". The action slide tube assembly and the nut are both needed to upgrade a Maverick 88 shotgun from the factory pinned/staked design to aftermarket forends like the Adaptive EX Shotgun Forend

    Note: Verify if your forend requires either a 6 3/4" or a 7 3/4" action slide tube assembly - to avoid a return shipping charge confirm that you ordering the correct length slide tube to install your new forend. If you have a forend that requires a 7 3/4" slide tube and you order a 6 3/4" slide tube, you will need to source a longer adaptor nut to use it with a 6 3/4" action slide tube assembly. The Adaptive EX Shotgun Forend includes a forend adaptor that allows for the use of either a 6 3/4" or 7 3/4" action slide assembly. 
    Color pattern Black
    • A black metal cylindrical tool with two long angled arms and a separate black ring-shaped component, shown on a transparent background.
    • A black steel cylindrical tool with two long flat prongs extending from one end, shown alongside a separate black ring-shaped component on a transparent background.
    • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
    • A black steel cylindrical tool with a long forked prong attachment and a separate black ring-shaped component, shown on a transparent background.
    • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
    • A black steel action slide tube assembly for a pump-action shotgun, featuring attached twin steel action bars and a threaded retaining nut, shown on a transparent background.
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