Oldest maker of firearms William Lawrence Sr Omnibit 4-8-19 The oldest maker of firearms is Beretta. The Italian company started in 1526. Oldest maker of firearms William Lawrence Sr Omnibit 4-8-19 Share this:PrintFacebookTwitterTelegramMeWeWhatsAppPinterestLinkedInParlerGabRedditEmailMorePocketTumblrLike this:Like Loading... Related