06-18-2013, 02:37 PM
Guardsman26 Wrote:In addition to giving ordinary squad riflemen a quantum leap in range and effective firepower, the Grendel could reduce the amount of weight carried for the SAW by 25%-30% assuming a total cartridge weight of 17-18 grams versus 24 g for 7.62 mm. Once you make a Grendel with a polymer case, it should weigh pretty close to a brass 5.56 mm round.
I am confused by the above paragraph. The M249 SAW fires a 5.56 round...same as M4/16. Where are you getting the weight reduction?

