will this asa work?

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http://www.xpaintball.biz/New-Designz-OnOff-U-Lite-ASAs-with-Air-Bleed-P13522C0.aspx?afid=16
can you put this on a lasayo promaster? does it come with screws or u get them somewhere

[Backmanshooter]

Yes you can. Anything with inline holes you can and yes it comes with screws.

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thanks