Been their done that..at least they didn't cost you money in shipping fees for a hunk of crap that you told them not to send to the manufacturer if they couldn't fix it.
Used Para p10 at gunshow $425 total lock up after 100 rounds.
Shipping to and from para $120
Complete new upper end $400.
Used Para p10 at gunshow $425 total lock up after 100 rounds.
Shipping to and from para $120
Complete new upper end $400.