Would gyrojet bullets with 2 grains of tnt as a propellant inside the bullet and a case of powder to get more velocity be viable? Besides for cost, would it have any
MBA, Gyrojet, Model 137, Gold Plated, Test Pistol, 121, A-1485 - Historic Investments
Could a gyrojet round manufactured with modern precision be more functional than they were in the 60s? - Quora