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The Mesa Tactical LEO Gen II Hydraulic Starter Pack is the smart way to modernize a pump-action Mossberg. It replaces your factory buttstock with a machined adapter that mimics the rear of an AR-15 lower receiver, so you can bolt on the collapsible stock and pistol grip of your choice. This kit fits the Mossberg 500, 590A1, and Maverick 88 in both 12 gauge and 20 gauge, and the adapter sits at the lower LEO height so you keep the use of your bead or open sights without needing to run an optic.
The real story here is recoil. Instead of a plain receiver extension tube, this pack ships with a KynSHOT hydraulic buffer built by Kyntec that cushions the shove of every shot. That Mil-spec buffer knocks felt recoil down noticeably, which makes a big difference when you're running buckshot or slugs and want to stay on target for follow-up shots. It's the same recoil-taming setup trusted by law enforcement and serious tactical users, and it holds up round after round.
The adapter body is investment-cast aircraft-grade aluminum, CNC machined and powdercoated in a tough black finish that shrugs off wear and weather. Because it accepts standard AR-15 stocks and grips, you get adjustable length of pull to dial in fit for your build, your gear, or a body-armor setup. Sling attachment points are built in so you can add a push-button swivel and carry it comfortably.
This is a no-gunsmithing install. The starter pack includes the stock adapter, the KynSHOT hydraulic buffer, and the mounting hardware you need to get it on the gun. Keep in mind it does not come with a stock or pistol grip, so you'll pair it with whatever AR-15 furniture suits your taste. That flexibility is the whole point, you build the shotgun to fit you rather than settling for the factory stock.
No. The starter pack includes the stock adapter, the KynSHOT hydraulic buffer, and the mounting hardware, but no stock or grip. It's designed to accept any standard AR-15 collapsible stock and pistol grip, so you choose the furniture that fits you best.
It fits the Mossberg 500, 590A1, and Maverick 88 in both 12 gauge and 20 gauge. Mesa Tactical builds separate LEO Gen II packs for other platforms like the Remington 870 and Beretta 1301, so make sure you're matching this one to a Mossberg.
The standard damping KynSHOT buffer in this pack cuts felt recoil substantially, and Mesa Tactical's selectable-damping version goes even further. It replaces the plain receiver extension tube, so instead of a rigid tube you get a hydraulic cushion behind every shot, which is a real help with buckshot and slugs.
No gunsmithing is required. The adapter replaces your factory buttstock and bolts on with the included hardware, and most owners can do it at home with basic tools. Just add your preferred AR-15 stock and grip once the adapter is on.
| UPC | 878405005520 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 93160 |
| Model |
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