MIlguard multipoint casement lock

A quick learner from Camarillo, CA says:
I need a multipoint casement window lock for Milgard windows. I have attached some pics and a diagram of a similar lock with my locks dimensions written in. It looks like a Truth hardware part, but the prong only sticks out 1 1/8 inches
User submitted photos of a window latch.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It appears you may be able to use our 38-138 Roto multi-point lock, but I would also recommend you looking into our newer version of the lock, our 38-139. Compare your lock to both our choices to see which one would make the better match for you.
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