Rifling
Videos
Rifling is the term for helical grooves machined into the internal surface of a firearm's barrel for imparting a spin to the fired projectile to improve its aerodynamic stability and accuracy. It is a
Rifling of a 105 mm Royal Ordnance L7 tank gun
Conventional rifling of a 90 mm M75 cannon (production year 1891, Austria-Hungary)
Rifling in a GAU-8 autocannon
Traditional rifling of a 9 mm handgun barrel
Flechette
Videos
A flechette or fléchette is a pointed, fin-stabilized steel projectile. The name comes from French fléchette, meaning "little arrow" or "dart". They have been used as ballistic weapons since World War
Rifling
…of a barrel is undesirable because it cannot reliably stabilize the projectile as it travels down the bore. An extremely long projectile, such as a flechette, requires impractically high twist rates to stabilize; it is often stabilized aerodynamically instead. An aerodynamically stabilized projectile can be…
World War I air dropped flechettes, most likely French
Two designs of the Lazy Dog bomb. (Top: early forged steel design; Bottom: later lathe-turned steel design)
APS amphibious rifle
Steyr-Mannlicher ACR rifle