Area 419 is always looking for ways to improve existing products when they are not developing new technologies. The bipod rail, as simple as it may seem, was one that could use some improvement. They started from scratch on this project, and came up with a pretty slick rail!FeaturesRail is 4.8a ^2 long with 10 slots. This gives you 43% more slots than the competition. The best part is, it weighs in at a paltry 1.09oz compared to 1.18oz for the smaller competitor.No sharp edges. Every corner is radiused, and every edge is chamfered on the machine. This takes much longer to make, but it is the only right way.Accommodates anywhere from 1.5a ^2 - 3.475a ^2 center on center screw hole spacing. If you are closer to the 1.5a ^2 spacing, they do not suggest using the flush cup mount for carrying the rifle, it will just have too much leverage and may tear the thread insert out of the stock.One full width lug to accommodate Larue style bipod mounts.Every slot is usabl...