So I got an email for daily deals for PSA yesterday and was dumbfounded to see M4A1 auto lowers for sale. I didn't know you could buy them in the first place, let alone on PSA. So now I'm uber curious as to if they are legal to purchase (esp in Colorado), what the law is on them, how you can do builds with em, tips/suggestions, etc etc etc....just any and ALL info ya'll have on this matter. I have been researching myself since I saw the sale ad and found a bunch but I'm still quite interested in hearing what ya'll say to the topic!!
Ohhhhh wee hoss!! I'm ecstatic to be learning more about this part of the gun world. I'm still new to many aspects of the gun world (OBVIOUSLY lol![]()
) but I'm EAGER to learn so whatchya'll got for me!!
Thanks in advance for any info, suggestions, tips, etc ya'll add to this thread. Attached is a screenshot of the M4A1 lower on PSA.
-Big D
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) but I'm EAGER to learn so whatchya'll got for me!! 


