There would be gun control at state or city or town level. Its nothing new it was introduced in Dodge City by Bat Masterson and Wyatt Earp and it was Virgil Earp's attempt to enforce on town ordinance in Tombstone that lead to the Gunfight at the OK Coral. Do the NRA lament the Tombstone Martyr's like the Cowboys did in Tomstone
Tombstone really was just one Gang, the Earps, against a 2nd Gang, the Cowboys.
One side wanted the other disarmed on their turf.
Both had the 'Law' on their side, Wyatt being deputy Marshal and his brother Virgil as City Marshal, while the Cowboys had County Sheriff Behan. Also, the Cowboys were typically Southern Democrats, and the Earps, Northern Republican for extra layer of conflict.
The Kansas Cow Towns during the Drive era, averaged under four murders a year. Really not so wild from 1870 to 1885. Dodge City had 15 murders from 1876 to 1885.
Safer there, than New York City