The ACR is a conventional piston-grieve, gas-operated rifle fed from a box magazine. The rifle used an ACOG 4X optic and had a 21.3-inch smoothbore barrel. The rifle fired long saboted flechettes ...
The thing that wears out rifle barrels is powder gas, more than bullet friction. The reason the rifle fired only with alloy bullets outlasts the one that is fired with metal-cased bullets is ...
Unveiled at the Defence & Security Equipment International (DSEI) 2023 defence exhibition in London, the NARP is a short-stoke gas piston-operated rifle. Built with an upper and lower receiver ...