Richard N. Cabela, co-founder of the direct marketer and retailer of outdoor gear Cabela's, has died. He was 77. He died Monday at his home in Sidney, Neb., his company said in a statement. No cause was given. Cabela handed chairmanship of the $3.6 billion seller of guns, camping gear and clothing to his younger brother Jim in June, transitioning to the role of chairman emeritus.