the g36 was created for the requirements of the german armed forces but it is also used as an infantry weapon in britain by counterterrorism police .
it has been claimed the g36 -lrb- pictured -rrb- does not shoot straight when it overheats at 30c .
the heckler & koch g36 is inaccurate by up to 20 feet at long range when temperatures top 30c , it was found .
the weapon also becomes unreliable when it is left in direct sunlight , exposed to humidity or fired repeatedly , according to a confidential report that