I’m pretty sure that I’ve read about this before, but my searches have come up empty. If you can help I would appreciate it.

My son, who lives in Florida, has a Mass compliant 15-22 ( got it cheap from CDNN ). We’ve located the pin that holds the buttstock in place but before we remove it we need to know if it will operate in the same manner as non Mass compliant 15-22s. Will it then function like everyone else’s. We want to be sure it won’t just collapse.

Please chime in if you know for sure, or if you can direct me to a source who might know.