The SMG uses 10mm rounds as a stand-in for the caseless ammunition it is supposed to use, allowing it to function as a low-damage bullet hose. 50BMG round that they use in Halo canon, limiting how often they can be used while providing a justification for their heavy damage. The Magnum and Sniper Rifle each chamber the. Each weapon deals different amounts of damage per round and the types of ammunition used. These guns fill their own niches and have modifications that suit certain playstyles. Naturally, the guns in this Fallout 4 Halo weapons mod are used differently. In Fallout, players can aim down sights, don’t have to worry about energy shields, or deal with a carefully curated weapons sandbox. To state the blindingly obvious, Fallout 4 plays very differently from Halo.