This specialized holster is designed to allow the Soviet Spetsnaz operator to draw from condition 3 (empty chamber, safety on, fully loaded magazine inserted) and fire as fast as though it was chambered and off safe.
Let's test this idea.
Condition 3 carry is stupid. Don't.
If the policy of the environment you're working in requires stupid condition 3 carry, try to fix the policy, don't invent a stupid solution to resolve a stupid policy.
If the gun does have a round chambered when pushed through the holster, it merely ejects that round through an ejection port in the holster.
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