Home CMMG AR15 vs M16 Bolt Carrier Group Comparison

AR15 vs M16 Bolt Carrier Group Comparison

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Have you been wondering the difference between a “semi-auto” and a “full-auto” bolt carrier group? We take the time to explain the difference between a 1990’s era AR15 bolt carrier group and a modern production M4/M16 bolt carrier group.

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1 COMMENT

  1. So I'm looking to replace the bcg in a Radical Firearms ar15.
    I found the Colt bcg at your online store on sale for $175.
    Excited about it but 2 questions please :
    1) Will this bcg drop into the RF no issues?
    2) Is this "full auto" a better choice for the rifle?
    Thanks!

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