Example image of eyePlorer eyePlorer map for 'Rifling': Firearm Gun Gun barrel Projectile Aerodynamics Gyroscope Grain (mass) Flechette Smoothbore Barrel Broaching (metalworking) Forge Machine press Machine tool Mandrel Gunsmith Internal ballistics Machining Gear Polygonal rifling Obturate Swaging Ballistics Muzzleloader Gunpowder Minié ball Breech-loading weapon Chamber (firearms) Bullet Angular momentum 5.56x45mm NATO M16 rifle AR-15 Alfred George Greenhill Royal Military Academy, Woolwich Rule of thumb Relative density Yaw, pitch, and roll Precession Coaxial Concentric Kinetic energy Muzzle velocity Revolutions per minute Rifling Velocity Handgun Desert Eagle Glock Heckler & Koch
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