Markets mature with time. As purchasers get accustomed to the use characteristics of what they’ve bought, they recognize its limitations, which in turn changes the nature of the demand. In the case of the ubiquitous AR-15, which has seen a stunning resurgence since the sunset of the deeply flawed 1994 Assault Weapons Ban, the fruit has been a mild dissatisfaction with the .223 cartridge, leading to demand for different calibers on the AR platform. This includes the 6.5mm Grendel and Creedmoor, 6.8mm SPC, .300 Blackout, .338 Spectre, .458 SOCOM and a host of lesser-known others. It has also created sufficient
