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  2. Handgun effectiveness - Wikipedia

    en.wikipedia.org/wiki/Handgun_effectiveness

    Experimental research among civilians, law enforcement agencies, militaries, and ammunition companies is constantly ongoing. Factors that can influence handgun effectiveness include handgun design, bullet type, and bullet capabilities (e.g. wound mechanisms, penetration, velocity, and weight). [1]

  3. Power factor (shooting sports) - Wikipedia

    en.wikipedia.org/wiki/Power_factor_(shooting_sports)

    Also, recoil can alternatively be measured by recoil velocity or recoil energy instead of by recoil impulse. An alternative formula for simplified recoil measurement which also takes into account firearm weight, gun powder weight and the velocity of the gun powder gases has been suggested: [6]

  4. Terminal ballistics - Wikipedia

    en.wikipedia.org/wiki/Terminal_ballistics

    Light weight non-expanding projectiles pushed at a relatively high rate of speed are also utilized, generally for close ranged applications well inside 100 yards. The light for caliber bullets will transfer energy to a given medium more rapidly, yet with consistent penetration characteristics relative to their sectional density and a constant ...

  5. FN 5.7×28mm - Wikipedia

    en.wikipedia.org/wiki/FN_5.7×28mm

    Due to the greatly decreased muzzle velocity, the SB193 benefits from a slightly reduced recoil force of 1.3 kgm/s. [60] The SB193 can be identified by its white tip color. [17] Its sale is currently restricted by FN to military and law enforcement customers. [17] T194 training The T194 training round was discontinued in 2002. It could be ...

  6. HK 4.6×30mm - Wikipedia

    en.wikipedia.org/wiki/HK_4.6×30mm

    The muzzle velocity V 0 and V 100 indicate a G1 ballistic coefficient of approximately 0.141 to 0.150 (BCs are somewhat debatable) making the DM11 projectile aerodynamically more efficient compared to typical service handgun projectiles, but less efficient compared to typical assault rifle projectiles.

  7. Practical shooting - Wikipedia

    en.wikipedia.org/wiki/Practical_shooting

    Practical shooting, also known as dynamic shooting or action shooting, is a set of shooting sports in which the competitors try to unite the three principles of precision, power, and speed, by using a firearm of a certain minimum power factor to score as many points as possible during the shortest time (or sometimes within a set maximum time).

  8. Physics of firearms - Wikipedia

    en.wikipedia.org/wiki/Physics_of_firearms

    According to Newtonian mechanics, if the gun and shooter are at rest initially, the force on the bullet will be equal to that on the gun-shooter. This is due to Newton's third law of motion (For every action, there is an equal and opposite reaction). Consider a system where the gun and shooter have a combined mass m g and the bullet has a mass m b.

  9. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    The acceleration is on the order of tens of thousands of gravities, so even a projectile as light as 40 grains (2.6 g) can provide over 1,000 newtons (220 lbf) of resistance due to inertia. Changes in bullet mass, therefore, have a huge impact on the pressure curves of smokeless powder cartridges, unlike black-powder cartridges.