 FACT: Bullets do not travel at full speed through water. In reality,  all bullets slow rapidly as soon as they hit the water, contrary to  what is seen when Steve shoots into the lake. Not only do bullets  slow down quickly when fired into water, high powered bullets from  weapons like the assault rife Steve is using actually shred within  inches of the surface of the water and then simply settle to the  bottom of (in this case) the lake. Oddly enough, high