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Introducing the LSS-RF Gen2, the next generation chassis system designed for popular .22LR caliber rifles. This upgraded version includes new features such as M-Lok pattern attachment slots on the sides and bottom of the forend, barricade-stop grooves ahead of the mag-well, and a side-relieved mag well.

Like its predecessor, the LSS-RF Gen2 is designed to improve accuracy with its V-shaped bedding and free floated forend, which can accommodate barrel contours up to 1" in diameter. The chassis is manufactured from billet 6061-T6 aluminum and finished with Cerakote™ in Black or Flat Dark Earth (FDE).

To maintain the compact design, MDT has created the chassis system to fit carbine AR-15 buttstocks. However, fixed buttstocks can also be mounted with a fixed stock adapter. The LSS-RF uses the factory magazine and is compatible with all factory barrel contours.

One notable change MDT has implemented is the lowered buttstock interface, enabling the Savage Mark II, CZ 455, and Ruger American® to use iron sights with this chassis. For those utilizing a scope, MDT recommends a stock with a cheek riser.

Please note that the chassis system is sold separately and does not include a buttstock, pistol grip, or other components. Additionally, the Ruger American® requires two OEM fixing components in addition to the magazine. The CZ455 will not work with the CZ455 Tuning trigger.

The LSS-RF chassis system is designed to accept any AR-15 carbine buttstock and pistol grip (purchased separately), and allows for customization with a wide variety of accessories. The mounting holes are spaced to accommodate Magpul style L5 (11 slots) and L3 (7 slots) rails (1.600” / 3.200”) on the bottom of the forend and are compatible with MDT’s Aluminium Picatinny Rails with Flush Cup Sling Mounts.

Other features of the LSS-RF Gen2 include:

- Up to 21% increase in accuracy
- CNC Machined from 6061 aluminum
- Cerakote Finish (in Black or Flat Dark Earth)
- M-LOK compatible
- Designed for carbine AR-15 buttstocks
- Accepts AR-15 pistol grips
- Lightweight, free-floating modular forend
- Accommodates barrels up to 1" diameter
- Length of pull of 11.5”-14.75” (based on Hogue stock)
- Compatible with OEM Magazines
- Weight: 1.4lb - 1.6lb