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Questions & Answers
Is this kit “turn key” for the 870? Bolt up and done. Does the description of what your selling match up to Mesa’s Website? Expert Answer

Yes, this should require no modification to install on your 870. We are selling the exact same item as you find on Mesa Tactical's own website, we get it directly from them.

by Ethan C., Gear Expert, June 14, 2018
Customer Reviews
Most Recent Reviews
THIS IS A KIT NOT JUST ADAPTER by Eric, Verified Owner, March 21, 2024
I just ordered and thought this was ONLY the adapter AND the hydraulic buffer tube as shown in the picture. It came with a rubber grip, milspec stock and a normal buffer tube. I thought this didn’t include a grip or stock and bought them separately, ...
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Product Info for Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit

High-tube adapters have a comb height equivalent to an AR-15 and require a Picatinny optics rail (sold separately). These specialized adapters are for certain law enforcement applications or competition. High tube adapters allow proper cheek weld and eye alignment with popular optics such as an ACOG or Leupold CQT and others. High-tube adapters and complete stock kits include an optional 9 1/2 inch top Picatinny optics rail.image

The heart of the Mesa Tactical Telescoping Stock Conversion Kit is the stock adapter. This part is investment cast and machined A-356 T6 aluminum and replaces the factory stock. The rear and lower faces of the stock adapter resemble the back of an AR-15 lower receiver, so it can accept most stocks and grips made for the AR-15. The High-tube Adapters mimic the geometry of an AR-15 rifle, which means they can accept any buttstock or grip made for the AR-15. This also means the stock elevation is too high to use receiver- or barrel-mounted sighting systems. This is why High-tube adapter kits usually include a Picatinny scope rail, so that an optical sighting system can be mounted on the weapon.

The concept is simple: the shotgun stock is replaced by an adapter that mimics the stock attachment point of an AR-15 lower receiver. This adapter accepts an AR-15 mil-spec receiver buffer tube. The AR-15 collapsible stock and pistol grip can then be reliably attached to the shotgun. Equipped with the Mesa Tactical stock adapter, the shotguns have an adjustable length-of-pull to perfectly fit to the shooters stature or equipment, such as body armor; feature handling characteristics similar to the ubiquitous AR-15; are more compact for transport and storage; and are more controllable due to the pistol grip configuration.

No gunsmithing is required to install. Minor fitting of fasteners may be necessary.

Specifications for Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit:

Manufacturer: Mesa Tactical
Color: Black
Gun Model: Remington Model 870
Gun Make: Remington
Stock/Brace Material: Aluminum
Condition: New
Gauge: 12

Features of Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit

  • Lifetime warranty

Package Contents:

  • Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit

Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit Orderable Models

List of Orderable Models

  • Mesa Tactical Remington Model 870 High-tube Tele Collapsible Shotgun Stock Kit, 12 Gauge, No Rail, Black, 95380 , MPN: 95380 , UPC: 878405004677 , Code: 29Z-2SC-HTTLSS-95380
  • Mesa Tactical Remington Model 870 High-tube Tele Collapsible Shotgun Stock Kit, 12 Gauge, 9.5 in rail, Black, 90500 , MPN: 90500 , UPC: 878405000006 , Code: 29Z-2SC-HTTLSS-90500

Mesa Tactical High-tube Tele Collapsible Shotgun Stock Kit Unavailable & Discontinued Models

List of Unorderable Models

  • USED DEMO, Mesa Tactical High-tube Telescoping Stock Kit for Rem 870, 12-GA, Black, 9.5 in, 90500, EDEMO1, Used, Condition Fair , MPN: 90500-DEMO-EDEMO1 , Code: 29Z-2SC-HTTLSS-90500-DEMO-EDEMO1
  • Mesa Tactical High-tube Telescoping Stock Kit for Moss 500/590 and Mav 88, 12-GA, Black, 9.5 in, 90490 , MPN: 90490 , UPC: 878405000129 , Code: 29Z-2SC-HTTLSS-90490
  • DEMO, Mesa Tactical High-tube Telescoping Stock Kit for Rem 870, 12-GA, Black, 9.5 in, 90500 , MPN: 90500-DEMO , Code: 29Z-2SC-HTTLSS-90500-DEMO
  • Mesa Tactical High-tube Telescoping Stock Kit for Moss 500/590 and Mav 88, 12 Gauge, no rail, Black, 95370 , MPN: 95370 , UPC: 878405004660 , Code: 29Z-2SC-HTTLSS-95370
  • USED, Mesa Tactical High-tube Telescoping Stock Kit for Rem 870, 12-GA, Black, 9.5 in, 90500 , MPN: 90500-EDEMO , Code: 29Z-2SC-HTTLSS-90500-EDEMO-WP-D
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