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  2. 5.56×45mm NATO - Wikipedia

    en.wikipedia.org/wiki/5.56×45mm_NATO

    According to Nammo, a Finnish-Norwegian ammunition producer, the 5.56×45mm NATO M995 armour piercing cartridge can penetrate up to 12 mm (0.47 in) of RHA steel at 100 meters. [35] The US Army's Ballistic Research Laboratory measured a ballistic coefficient (G7 BC) of 0.151 and form factor (G7 i) of 1.172 for the SS109/M855 ball projectile. [36]

  3. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    277 Wolverine, Standard military 5.56x45 case (also .223), shoulder is reformed lower, length is trimmed, neck is sized to .277 6.8 SPC (.277), Proprietary. Developed as an all new cartridge in the hopes of gaining a military contract. Rim diameter is 0.421" 300 AAC Blackout, Uses military 5.56x45 (also .223). The shoulder is reformed, length ...

  4. List of 5.56×45mm NATO firearms - Wikipedia

    en.wikipedia.org/wiki/List_of_5.56×45mm_NATO...

    The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely produced weapon in this caliber. [1] Not all countries that use weapons chambered in this caliber are in NATO. This table is sortable for every column.

  5. Table of handgun and rifle cartridges - Wikipedia

    en.wikipedia.org/wiki/Table_of_handgun_and_rifle...

    Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.

  6. AK-101 - Wikipedia

    en.wikipedia.org/wiki/AK-101

    The AK-101 is a Kalashnikov assault rifle model developed in 1994 to use the 5.56×45mm NATO cartridge. It belongs to the export AK-100 (rifle family). The design of this rifle is similar to the AK-74M. It is designed with modern and composite materials, including plastics that reduce weight and improve accuracy.

  7. 5.45×39mm - Wikipedia

    en.wikipedia.org/wiki/5.45×39mm

    The 5.45×39mm cartridge is a rimless bottlenecked intermediate cartridge.It was introduced into service in 1974 by the Soviet Union for use with the new AK-74.The 5.45×39mm gradually supplemented and then largely replaced the 7.62×39mm cartridge in Soviet and Warsaw Pact service as the primary military service rifle cartridge.

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  9. .223 Remington - Wikipedia

    en.wikipedia.org/wiki/.223_Remington

    If a 5.56×45mm NATO cartridge is loaded into a chamber intended to use .223 Remington, the bullet will be in contact with the rifling and the forcing cone is very tight. This generates a much higher pressure than .223 Remington chambers are designed for. [3] NATO chose a 178-mm (1-in-7) rifling twist rate for the 5.56×45mm NATO chambering.