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Difference between semi and auto BCG

Discussion in 'Black Rifle Forum' started by Young Once, Mar 19, 2010.

  1. Young Once

    Young Once

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    I'm new to AR's and can't tell the difference between a semi BCG and a full auto BCG. Can anyone enlighten me please? TIA
     
  2. Gary G23

    Gary G23

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  3. RUSH2112

    RUSH2112 Big Member

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    As explained by Rob_s.

    "The M16 bolt carrier serves two functions. The first is that the firing pin is fully shrouded so that the hammer is cocked by the carrier and not the firing pin itself. The second is that the M16 bolt carrier is heavier and therefore increases "lock time" (or the amount of time that the empty case remains in the chamber after the primer is struck by the firing pin) which aids in extraction. The heavier carrier also reduces the felt recoil impulse which in turn reduces wear and tear on the other internal parts of the carbine."
     
    Last edited: Mar 20, 2010
  4. Young Once

    Young Once

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    Thanks. guys. Got it.