11-15-2015, 10:49 PM
From what I have researched all the enhanced bolts that are made to fit the mil spec extension have experienced breakages, even Sharps new highly radius-ed bolt, without regard to the material. My preference would be for a hybrid that gives up some of the extensions inside radius for expanding the bolt's outside radius. Though I have never broken any bolt personally, what I have seen would indicate a weakness or a higher stress being applied on either side of the extractor. Physics tells me that if I double the diameter of the cartridge I will get 4 times the area or force at a given pressure. Why not build a better bolt?