<P> The biathlete carries a small - bore rifle , which weighs at least 3.5 kilograms ( 7.7 lb ) , excluding ammunition and magazines . The rifles use . 22 LR ammunition and are bolt action or Fortner ( straight - pull bolt ) action . The rifle must weight more than 3.5 kilograms . Each rifle holds 4 magazines with 5 rounds each . Addtional rounds can be kept on the stock of the rifle for a relay race . </P>
<P> The biathlete carries a small - bore rifle , which weighs at least 3.5 kilograms ( 7.7 lb ) , excluding ammunition and magazines . The rifles use . 22 LR ammunition and are bolt action or Fortner ( straight - pull bolt ) action . The rifle must weight more than 3.5 kilograms . Each rifle holds 4 magazines with 5 rounds each . Addtional rounds can be kept on the stock of the rifle for a relay race . </P>
what caliber do they use in the biathlon in the olympics
what caliber do they use in the biathlon in the olympics
. 22 LR
. 22 LR