LSS Howa Chassis (Howa 1500) / Weatherby Vanguard Chassis
The LSS chassis is a popular chassis system for bolt action rifles, and is available for the Howa 1500 / Weatherby Vanguard. The LSS Howa Chassis / Weatherby Vanguard accepts any AR-15 butt-stock and is designed to work with any collapsible AR-15 buttstock and pistol grips (purchased seperately). An adapter is available to mount fixed rifle stocks. This chassis offers the ability to customize you’re load-out by choosing from the wide variety of accessories available on the market.
The LSS Howa Chassis / Weatherby Vanguard uses external box style magazines in .223 and .308 caliber for Short Action and .300WM or .338LM magazines for Long Action rifles. Note: Long action magazines come in 3 different lengths: 3.715″, 3.775″ an 8.050″. The MDT chassis use 3.715″ length magazines.
The LSS Howa Chassis / Weatherby Vanguard Chassis supports bolt-on MIL-STN-1913 accessory mounting rails on the bottom of the fore-end. Mounting holes are spaced for Magpul style L5 (11 slots) and L3 (7 slots) rails (1.600” / 3.200”). Maximum length of rail that can be used is 6.5″.
The LSS Howa Chassis / Weatherby Vanguard is engineered to minimize warping and distortion. The rifle receiver only makes contact with the LSS chassis on it’s V shaped bedding and recoil lug area ensuring the best accuracy and repeatability. The fore-end’s generous clearance allows OEM standard and Bull barrels to free float up to 1″ diameter.
WHAT YOU GET, AND WHAT YOU NEED
The LSS Howa Chassis / Weatherby Vanguard chassis system comes as a 1-piece chassis, with all required mounting hardware included. This includes new action screws, and a screw for the pistol grip.
To complete this chassis on your rifle, the additional items you need to purchase are:
- Any AR-15 buttstock. For fixed buttstocks you will need the fixed stock adapter, or consider using the LSS-XL chassis.
- A buffer tube for your buttstock. (Both milspec and commercial work on our chassis)
- An AR-15 Pistol Grip. Ideally without a beavertail, or use a soft (bendable) beavertail.
- At least one magazine.
- If you prefer a longer forend, please also see the MDT LSS-XL chassis System or the HS3 Chassis System.