Just as the admission by the Liggett Group that nicotine is addictive sped settlements in tobacco litigation, an agreement announced Friday between Smith & Wesson and government agencies suing the gun industry could put pressure on other gun makers to settle.

The nation’s biggest gun maker on Friday signed a 21-page, precedent-setting pact outlining procedures to make guns safer and to take steps for keeping them out of the hands of criminals and children.