[ARCHIVED THREAD] - Straight blowback

Posted: 12/1/2005 7:30:46 PM EDT

Does a straight blowback 9mm AR-15 simply depend on mass and inertia to keep the bolt closed during the firing cycle or does it actually lock?

Simon

Posted: 12/2/2005 1:29:41 AM EDT

[#1]

Just mass and inertia.

Posted: 12/2/2005 1:38:11 AM EDT

[#2]

Thats what makes it a straight blowback gun.

Posted: 12/2/2005 5:21:37 AM EDT

[#3]

Well, mass, inertia and spring pressure.

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