
Availability: In Stock
The Mesa Tactical LEO Gen II Telescoping Stock Adapter for Remington 870 12-gauge shotguns brings AR-platform modularity to your pump gun. Designed with tactical operators and law enforcement in mind, this adapter system lets you mount standard AR-15 collapsible stocks and pistol grips directly to your 870, while preserving your ability to use open or bead sights. If you run body armor or need to adjust length of pull on the fly, the telescoping stock mechanism handles it instantly—no tools, no fuss.
Built from aircraft-grade aluminum and CNC-machined, then powdercoated black, the LEO Gen II is engineered for durability in demanding environments. The adapter includes a recoil tube with standard damping, so you get a proven, straightforward platform that works with common AR-15 stock assemblies. Mesa Tactical offers this adapter in multiple configurations—adapter-only kits, recoil starter packs, or complete stock kits—so you can build the setup that fits your gun and your budget.
If you're serious about recoil management, Mesa Tactical's upgraded versions pair this adapter with KynSHOT hydraulic recoil buffers (manufactured by Kyntec), which can reduce felt recoil by 70% to 90%. That level of control matters when you're running drills or working from tactical positions. Whether you're outfitting a home-defense 870, a patrol gun, or a training platform, the LEO Gen II adapter lets you dial in comfort and performance without abandoning the shotgun you already know.
| Firearm Compatibility | Remington 870 (12-gauge only) |
| Stock Type | Telescoping, AR-15 style |
| Material | Aircraft-grade aluminum, CNC-machined, powdercoated black |
| Recoil Management | Standard damping tube (hydraulic buffer upgrade available) |
| Sight Compatibility | Open and bead sights |
Yes, the Mesa Tactical LEO Gen II is designed specifically for Remington 870 shotguns in 12-gauge. It will not fit other gauges.
Yes. The LEO Gen II is designed to work with open and bead sights without interference, so you don't need to replace your sighting system.
The adapter is designed to work with standard AR-15 collapsible stocks and pistol grips. Mesa Tactical offers this adapter in multiple kit configurations—check the specific kit option you choose to see what's included or what you'll need to source separately.
The standard version includes a recoil tube with basic damping. Mesa Tactical's upgraded versions replace that tube with a KynSHOT hydraulic recoil buffer (manufactured by Kyntec), which reduces felt recoil by 70% to 90% for improved accuracy and control during rapid fire or extended shooting sessions.


SKU: 144596586 • Width: 9in • Height: 3.25in • Depth: 13in • Weight: 2.19oz





Availability: In Stock
The Mesa Tactical LEO Gen II Telescoping Stock Adapter for Remington 870 12-gauge shotguns brings AR-platform modularity to your pump gun. Designed with tactical operators and law enforcement in mind, this adapter system lets you mount standard AR-15 collapsible stocks and pistol grips directly to your 870, while preserving your ability to use open or bead sights. If you run body armor or need to adjust length of pull on the fly, the telescoping stock mechanism handles it instantly—no tools, no fuss.
Built from aircraft-grade aluminum and CNC-machined, then powdercoated black, the LEO Gen II is engineered for durability in demanding environments. The adapter includes a recoil tube with standard damping, so you get a proven, straightforward platform that works with common AR-15 stock assemblies. Mesa Tactical offers this adapter in multiple configurations—adapter-only kits, recoil starter packs, or complete stock kits—so you can build the setup that fits your gun and your budget.
If you're serious about recoil management, Mesa Tactical's upgraded versions pair this adapter with KynSHOT hydraulic recoil buffers (manufactured by Kyntec), which can reduce felt recoil by 70% to 90%. That level of control matters when you're running drills or working from tactical positions. Whether you're outfitting a home-defense 870, a patrol gun, or a training platform, the LEO Gen II adapter lets you dial in comfort and performance without abandoning the shotgun you already know.
| Firearm Compatibility | Remington 870 (12-gauge only) |
| Stock Type | Telescoping, AR-15 style |
| Material | Aircraft-grade aluminum, CNC-machined, powdercoated black |
| Recoil Management | Standard damping tube (hydraulic buffer upgrade available) |
| Sight Compatibility | Open and bead sights |
Yes, the Mesa Tactical LEO Gen II is designed specifically for Remington 870 shotguns in 12-gauge. It will not fit other gauges.
Yes. The LEO Gen II is designed to work with open and bead sights without interference, so you don't need to replace your sighting system.
The adapter is designed to work with standard AR-15 collapsible stocks and pistol grips. Mesa Tactical offers this adapter in multiple kit configurations—check the specific kit option you choose to see what's included or what you'll need to source separately.
The standard version includes a recoil tube with basic damping. Mesa Tactical's upgraded versions replace that tube with a KynSHOT hydraulic recoil buffer (manufactured by Kyntec), which reduces felt recoil by 70% to 90% for improved accuracy and control during rapid fire or extended shooting sessions.
SKU: 144596586 • Width: 9in • Height: 3.25in • Depth: 13in • Weight: 2.19oz

