What's The Edge? It is a pure carbon fiber layup (as opposed to standard fiberglass cloth). This not only strengthens but also lightens the stock about 1/2 lb. under the standard version. I just weighed them: Hunter - 22 oz. ; Tactical 30 oz. This is out of the box with Decelerator pad and studs. Tactical is pre-fit for our M5 Stealth Detachable Mag (AI) system, also fits Badger and comparable aftermarket mag kits I'm told. Here's the links: McMillan Hunter's Edge Carbon Fiber Ultra-Light Remington 700 788 600 Stock McMillan A3 Edge Tactical Ultralight CARBON FIBER Stock Our McMillan Pre-Fit Guarantee: If your stock doesn't fit your rifle out of the box simply send the stock and your rifle to Ryan M. at McMillan for a complementary fitting! Thanks, Don B.