The metal mags don't have the reinforcing rib. The mag body is strong enough to handle the camming action when a mag is seated or removed.
On the polymer mags the rear catch doesn't have any camming action on it, so it doesn't need reinforcing.
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Poke'm with a stick!
Quote:
Originally Posted by fiddletown
What you believe and what is true in real life in the real world aren't necessarily the same thing. And what you believe doesn't change what is true in real life in the real world.
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