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Mesa Tactical LEO Telescoping Hydraulic Recoil Stock Kit – Remington 870

$315.00 $309.00

Out of stock

SKU: 92230 Category:


LEO Telescoping Hydraulic Recoil Stock Kit that will give your Remington 870 or Mossberg 500/590 the feel of an AR-15 and keep your shoulder from bruising! Adapts AR-15 style butt stocks and pistol grips to give the shotguns similar handling characteristics to the AR-15. Our complete stock kits include the aluminum AR adapter; Hogue rubber overmolded grip; US-made mil-spec six-position M4 SOPMOD style telescoping stock assembly; and all necessary assembly hardware and instructions.



The Telescoping stock adapter Shotgun Conversion Kits are available for the following 12 gauge and 20 gauge shotgun platforms:

• Remington 870
• Mossberg 500, 590/ Maverick 88

LEO stock adapters can be fitted to 20 gauge Remington 870 shotguns; the Lucy™ Adapter allows 20 gauge Remington 870 shotguns to use 12 gauge 870 butt stocks. This elegantly simple coupler simply bolts to the back of a 20 gauge 870 receiver, allowing the 12 gauge stock to then rigidly bolt to the adapter. This greatly increases the options and availability of butt stocks for the 20 gauge shotgun. The 20 gauge Remington 870 is an excellent platform for personal defense, but it suffered from fewer tactical butt stock offerings than its 12 gauge counterpart. Most semi-automatic shotguns feature a return spring housing that extends from the rear of the shotgun receiver that makes it impossible to fit an AR-15 stock system to the weapon.


The Mesa Tactical LEO telescoping stock adapters can accept AR-15 stocks that do not require a lower indexing dimple. This includes most military and commercial collapsing stocks, but few if any fixed stocks. Generally, any stock with an indexing groove machined into the ventral side of the receiver extension tube threads will work with the LEO Telescoping stock adapter. Other stocks may be installed with minor fitting.

Similarly, the Mesa Tactical LEO telescoping stock adapters can accept any grip that does not feature a rear upper extension.


Mesa Tactical Recoil stock kits include a Crosshair™ recoil buffer assembly instead of the hollow receiver extension tube. The recoil buffer can absorb felt recoil. Install the recoil buffer according to the instructions below, just as if it was a receiver extension tube.

WARNING: The Crosshair buffer is spring loaded. Do not disassemble or serious personal injury or death could result.

WARNING: During firing the Crosshair buffer compresses up to ¾” as the shotgun moves rearward. DO NOT place eyes, hands or cheeks close to the grip of the stock adapter. Keep face and other body parts at least 2” from the threaded end of the Crosshair buffer.


The Mesa Tactical Telescoping Stock Adapter Shotgun Conversion Kit should include the following components:

  • 1 Cast aluminum and powdercoated telescoping stock adapter
  • 1 Receiver cap screw
  • 1 Receiver screw hex key
  • 1 AR grip screw
  • 1 Custom “claw” receiver extension end plate
  • 1 Sling plate blank
  • 1 AR grip nut
  • 1 AR grip screw spacer
  • 1 M4 Carbine style 5- or 6-position telescoping stock assembly
  • 1 Push-button QD sling swivel
  • 1 Receiver extension stock nut
  • 1 Hogue AR pistol grip
  • 1 Stamped steel stock wrench
  • 1 Crosshair™ Hydraulic Recoil Buffer

Assembly of the Mesa Tactical Telescoping Stock Adapter Shotgun Conversion Kit requires no special tools and should take less than 30 minutes. All required hex keys and an AR-15 stock wrench are included with the stock kit. All you will need to provide is a Phillips head screwdriver (for the pistol grip), plus whatever tools are required to remove the old stock (an AR-15 stock wrench and stock nut is not included with the stock adapter kit, only with the complete stock kit).

Optionally, you might want blue Loctite® liquid thread locker for the screw threads. A torque wrench is also useful to ensure you are using the appropriate torque settings on the fasteners.

For assembly instructions (click here)

See Also Mesa Tactical Sureshell® Carrier and Saddle Rail for Remington

Additional information
Weight 3 lbs
Dimensions 12 × 8 × 3 in