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  2. 6B47 helmet - Wikipedia

    en.wikipedia.org/wiki/6B47_helmet

    The company had previously developed and produced the 6B7-1 and 6B7-1M helmets for the Russian army. [3] [4] The 6B47 helmet provides protection from: 9-mm 57-N-181S bullets from a PM pistol from a distance of 5 meters; fragment simulators (steel balls with a diameter of 6.3 mm and a mass of 1.05 g) at a speed of no more than 630 m/s.

  3. Airsoft pellets - Wikipedia

    en.wikipedia.org/wiki/Airsoft_pellets

    Velocity vs. energy chart for 6 mm Airsoft pellets. The pellet speed of spring-powered and automatic electric guns is determined in large part by the tension of the gun's main spring. Muzzle velocity limits are between 90 and 120 m/s (300 and 390 ft/s) for AEGs and 120 to 170 m/s (390–560 ft/s) for single-shot spring sniper rifles .

  4. Airsoft gun - Wikipedia

    en.wikipedia.org/wiki/Airsoft_gun

    Airsoft is safe when played with proper protective gear. Most airsoft guns on the market are usually below 350 ft/s (110 m/s), but projectiles expelled from any type of airsoft gun can travel as slow as 65 ft/s (20 m/s) to more than 700 ft/s (210 m/s) and are capable of breaking skin at 350–400 ft/s (110–120 m/s).

  5. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    Works with 15 mm miniatures where a 6 foot man would equal 15.24 mm 1:110: 2.771 mm Used for some model ships, aircraft and diecast cars. 1:108: 2.822 mm An historic size for ships, also used for rockets and spacecraft. 15 mm figure scale for wargaming is considered interchangeable with this scale. [9] 1:100: 3.048 mm

  6. Airsoft - Wikipedia

    en.wikipedia.org/wiki/Airsoft

    As a reference value, a standard 0.20 gram 6 mm pellet, which is the most common size and weight, traveling at 100 m/s (330 ft/s) has 1 J (0.74 ft⋅lb) of kinetic energy. [21] Calculating the Joules and energy generated by airsoft guns is important because of phenomena like "joule creep" where the FPS remains the same while the energy of the ...

  7. List of body armor performance standards - Wikipedia

    en.wikipedia.org/wiki/List_of_body_armor...

    The VPAM scale as of 2009 runs from 1 to 14, with 1-5 being soft armor, and 6-14 being hard armor. [1] Tested armor must withstand three hits, spaced 120 mm (4.7 inches) apart, of the designated test threat with no more than 25 mm (0.98 inches) of back-face deformation in order to pass.