The real purpose of background checks is registration.
If the government’s database only records the original purchaser, then over time, as the original purchasers sell/give the guns to their friends and relatives, and eventually die, the ability of government to discover who possesses the older guns gets less over time.
If each transfer requires a check, and each check leaves a permanent record, then they have a better ability to round up and confiscate.
I wouldn’t know anything about private firearms sales between consenting adults..
“...then they have a better ability to round up and confiscate.”
Who is “they?”
“...then they have a better ability to round up and confiscate.”
Who is “they?”