Gun Control & RKBA

... using the designs from decades past.

Today's weapons aren't more accurate than their predecessors like the Lebel 1886 or the 1903 Springfield, in fact, most fall far short from their ancestors.

Every high-quality bolt action rifle built today has an action based on the Mauser of 1888.
The shape of the modern rifle stock hasn't changed since the 1860's.
Nearly every semi-automatic handgun sold today is a slight variation on the Colt 1911.
Even the US Army's go-to weapon of choice, the M4, is lightened and shortened version of the M16 (first produced in 1965) and based on even earlier designs such as the Kalashnikov 1947 or AK-47 (both weapons utilise the gas-recoil, rotating bolt that allows them to handle more powerful, high-pressure rifle rounds than the previous gas-recoil weapons such as the MP40 and Thompson 1921.

One of the fastest growing markets in firearms today is reproduction weapons from era's past in calibres that are cheaper and easier to find. Weapons that went out of vogue are making comebacks as being vastly superior to the newer weapons that replaced them.

The only major advantage of newer weapons is the durability and weight advantage of lighter materials over wood and stainless steel barrels over chrome-moly steel.