7.62x51mm: Difference between revisions

M118 FMJ-AP ([https://en.wikipedia.org/wiki/Full_metal_jacket_bullet full metal jacket], [https://en.wikipedia.org/wiki/Armor-piercing_bullet armor-piercing]) rounds are the standard-issue ammo type employed by the [[MA5 series|UNSC's assault rifles]],<ref name="EVGAR">[[Halo: The Essential Visual Guide]], Assault Rifle</ref> the [[M392]]<ref name="EVGDMR">[[Halo: The Essential Visual Guide]], DMR</ref> and [[M395]] DMRs,<ref name="H4VGDMR">[[Halo 4: The Essential Visual Guide]], DMR</ref> and the [[M739 Light Machine Gun|M739 LMG]].<ref name="H4VGSAW">[[Halo 4: The Essential Visual Guide]], SAW</ref> The round's armor-piercing capabilities stem from its specially hardened construction.<ref name= "Flood1">''[[Halo: The Flood]]'', Chapter 1</ref> [[UNSC Marine Corps Battle Dress Uniform|UNSC infantry combat armor]] is capable of preventing lethal penetration at close range from a limited burst at the cost of bruising and significant discomfort,<ref name="TML">''[[Halo: Evolutions]]'', ''[[The Mona Lisa]]'', section ">Lopez 1527 hours"</ref> though infantry and even light vehicles or aircraft such as un-shielded Covenant [[Banshees]] are susceptible to fatal damage under sustained, accurate fire.<ref name="Flood2">''[[Halo: The Flood]]'', ''Chapter 2''</ref> [[Energy shielding|Energy shields]] drastically reduce the ammunition's stopping power, as a great deal of concentrated fire from multiple weapons - or an extended period of continuous automatic fire from a single weapon - is needed to overwhelm them.<ref name= "Flood1"/>