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Bolt Weight needed for a direct blowback action

Z

zomie

Boring Oregon
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Interesting article discussing the weight needed for the bolt of a direct blow back action in various calibers:
10mmautocombat.wordpress.com

10mm Blowback Bolt Weight Calculations (Blowback)

Blowback Firearms: Theory & Practice Below: MAC-10/45 Standard Bolt Assembly Below: MAC-10/45 Bolt with Weight for Katana Reproduced from the Website “Orion’s Hammer” “M…
10mmautocombat.wordpress.com 10mmautocombat.wordpress.com

The chart showing such things as 50 bmg needing a 50lb bolt is kind of entertaining.
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