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M200 blanks cycling

JLowery

Joined: Feb 2026

Posts: 8

EE: 0% (0)

WI, USA

Posted: 3/11/2026 6:58:16 PM EDT

Any recommendations? Thinking of running the lighter h2/black kak spring vs opening up the gas port to .086?

LimaSix

Lima Six Belt Feds

Joined: Dec 2018

Posts: 1987

EE: 100% (2)

PA, USA

Posted: 3/12/2026 3:45:08 PM EDT

[#1]

We have not done any testing on this but we want to! Unfortunately I don't have much to add, but tagging this thread to follow the progress.

https://www.limasix.com

TGH456E

Joined: Feb 2008

Posts: 2962

EE: 100% (46)

CO, USA

Posted: 3/13/2026 11:31:38 PM EDT

[#2]

Originally Posted By JLowery:
Any recommendations? Thinking of running the lighter h2/black kak spring vs opening up the gas port to .086?

View Quote

Which firearm?

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