There was a question about difference between Drake Hunter\Stalker chassis (basis for Stealth) vs MDT LSS Chassis. Here is a good list by Frank on Snipers Hide - http://www.scout.com/military/sniper...talker-chassis

Snipers Hide -
Drake Associates has an exclusive agreement with MDT for the production of a modified chassis system that has DRAKE design influenced features “For Snipers by Snipers” TM (pending).
Special Ergonomics features have been added to the Drake Hunter Stalker LWSS (Light Weight Sniper System) Universal Chassis over original MDT LSS design as a very custom and exclusive product improvement
1 Hunter Stalker LWSS Universal chassis is also available in both SHORT and LONG Action - Remington 700 and Savage 10/110
2 Hunter Stalker Raked Magwell for distinctive look and special function - quick changes with minimal movement of chassis - streamlined with tracking channel for insert of mag.
3 Special Drake Military Division SNIPER logo engraving with Distinctive DRAKE - Bat wing TM design
4 CHASSIS is DELIVERED with one AICS Type Patterned magazine INCLUDED - so customer has this in hand when package arrives!
5 Special cuts around trigger guard to allow for correct fit of Ergo Grip that has finger groove ears above for index finger.
6 Special and enhanced and "EXTENDED XL" forend giving a longer forend for use when shooting in alternate position or shooting off packs allowing for proper hand placement
or more surface contact area (off pack)
7 Enlarged area forward of recoil lug for custom and enlarged OAL / DRAKE Quick Change Barrel (QCB) nut clearance
8 Exclusive Right hand Left Hand Chassis design (patent pending)
9 Additional holes in 3/9 oclock position for use with 6" Picitinny Rail assemblies that contain flush cup design
10 Optional 6 oclock position rail or bipod stud
11 Optional folder device/pivot for butt stock
12 Drake has selected the superior FAB defense GL-Shock Buttstock as a standard upgrade over the traditional Magpul CT

GL-Shock features:
• Reduces recoil and muzzle rise to allow faster, more accurate fire.
• 5 sling attachment points, including 2 QR attachment points.
• Storage compartment for batteries or parts.
• MIL-SPEC reinforced polymer composite, steel hardware, rubber buttpad.
• Fits any weapon that accepts M-4/AR15 style stocks.
• Patented system reduces recoil and muzzle rise.
• Auto-tensioner for no-rattle fit on both mil-spec and commercial tubes!
• Comfortable rubber butt pad provides traction on body armor.
• Streamlined shape will not snag on gear.
• Cheek riser is adjustable for optimal height for optics.
(NO ADDITIONAL Cheek pieces Need to be added)