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MDT built the LSS Gen3 to solve a problem every serious rifle builder runs into: wanting one gun that can wear multiple hats without living with a different chassis for each job. This right-hand version is inlet for the Ruger American in its AR-magazine configuration, so your barreled action drops straight into the center body base and locks in without bedding or a trip to the gunsmith. The core is machined from 6061 aluminum and wears a Cerakote finish, and the whole assembly stays compact and rigid where it counts.
The big story here is the three-piece architecture. The center base holds your action while forends and buttstock interfaces bolt onto either end. Because the action never leaves the base, you can change your forend, grip, or buttstock and your optic keeps its zero. That means one rifle can go from a lightweight hunting build to a barricade-ready tactical setup on the same afternoon, and you're not re-zeroing every time you switch gears.
The chassis feeds from standard AICS-pattern magazines, which is a real upgrade if your rifle came with a blind or hinged magazine setup. Mag changes run through an ambidextrous release that you can bump forward with your trigger finger to drop mags free. There's a built-in barricade stop on the front of the magwell for locking onto props, and the base is designed to accept AR-style pistol grips, so you can run a grip you already like.
Out of the gate this base comes set up in the Tactical trim with small polymer handguards, and it accepts MDT's Tactical, Competition, and Hunting forends down the road. The buttstock interface takes XTN, carbine, and Picatinny adapters, opening the door to a huge range of MDT stocks or your favorite AR buffer-tube stock. For Ruger American builds, keep in mind the Ruger-specific interface assemblies are what you'll want for correct fitment. Full M-LOK real estate and MDT accessory compatibility round it out, so this base grows with you as your needs change.
This version is inlet for the Ruger American in its AR-magazine configuration with a right-hand action. Your barreled action drops into the center base and secures with the provided hardware, no bedding or gunsmithing required. If your Ruger American uses the standard rotary magazine rather than the AR-mag setup, double-check that your action matches this specific inlet before ordering.
Yes, that's the whole point of the Gen3 design. Because your barreled action stays locked in the center base while forends and buttstock interfaces bolt to either end, you can change configurations without pulling the action. Your optic holds its zero as you move between hunting, tactical, or competition setups.
It feeds from standard AICS-pattern magazines, which are widely available from MDT and other makers. If your rifle originally ran a blind or hinged magazine, this chassis converts it to a detachable AICS setup. Mags drop free using the ambidextrous release you can reach with your trigger finger.
This is the Tactical-trim base, so it ships with the center body and small polymer handguards rather than a full stock and grip package. It accepts AR-style pistol grips and takes MDT buttstock interface adapters like the XTN, carbine, and Picatinny options. For Ruger American builds, you'll want the Ruger-specific interface assembly for correct fitment.
| UPC | 990482726669 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 115064BLK |
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