14.5×114mm: Difference between revisions

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=== APFSDS ===
=== APFSDS ===
[[File:Bloodline 14.5x114mm APFSDS Sabot Separation.png|thumb|A sabot separating from a 14.5×114mm APFSDS round.]]
[[File:Bloodline 14.5x114mm APFSDS Sabot Separation.png|thumb|A sabot separating from a 14.5×114mm APFSDS round.]]
The 14.5×114mm APFSDS (armor-piercing, fin-stabilized, discarding sabot) round is the most commonly employed ammunition type for use with the [[SRS99 series]].<ref name="SFMp192"/> The damaging capability of the 14.5×114mm round is impressive; according to a UNSC serviceman, at 600 yards the round will go through about 13 feet of flesh and bone when fired from an [[SRS99D-S2 AM sniper rifle]].<ref name="Believe">'''[[Believe]]''', ''[[Enemy Weapon]]''</ref> This makes it easily capable of over-penetrating armored soldiers and whatever was behind them, making caution paramount when employing this ammo.<ref name="HCEM">'''[[Halo: Combat Evolved Manual]]''', ''page 18''</ref> The round is also highly potent at inflicting damage against light vehicles.<ref name="SFMp192">'''[[Halo: Official Spartan Field Manual]]''''', page 192''</ref> Ammunition of this type which was utilized in 2557 aboard the [[UNSC Infinity|UNSC ''Infinity'']] with the [[SRS99-S5 AM sniper rifle]] bore the alphanumeric designation "M232".<ref name="brief">'''Halo 4 Limited Edition''', UNSC ''Infinity'' Briefing Packet</ref>
The 14.5×114mm APFSDS ([https://en.wikipedia.org/wiki/Armour-piercing_fin-stabilized_discarding_sabot armor-piercing, fin-stabilized, discarding sabot]) round is the most commonly employed ammunition type for use with the [[SRS99 series]].<ref name="SFMp192"/> The damaging capability of the 14.5×114mm round is impressive; according to a UNSC serviceman, at 600 yards the round will go through about 13 feet of flesh and bone when fired from an [[SRS99D-S2 AM sniper rifle]].<ref name="Believe">'''[[Believe]]''', ''[[Enemy Weapon]]''</ref> This makes it easily capable of over-penetrating armored soldiers and whatever was behind them, making caution paramount when employing this ammo.<ref name="HCEM">'''[[Halo: Combat Evolved Manual]]''', ''page 18''</ref> The round is also highly potent at inflicting damage against light vehicles.<ref name="SFMp192">'''[[Halo: Official Spartan Field Manual]]''''', page 192''</ref> Ammunition of this type which was utilized in 2557 aboard the [[UNSC Infinity|UNSC ''Infinity'']] with the [[SRS99-S5 AM sniper rifle]] bore the alphanumeric designation "M232".<ref name="brief">'''Halo 4 Limited Edition''', UNSC ''Infinity'' Briefing Packet</ref>
 
{{Conjecture}}
Inferring from the designation "armor-piercing, fin-stabilized, discarding sabot", and certain visual depictions, the APFSDS round functions in a similar way to a form of ammunition traditionally used with the cannons of main battle tanks. The bullet is of subcaliber dimensions (meaning that it is too narrow to grip the bore of the barrel), and possesses a long, thin, dart-like shape. Such projectiles can be referred to as a "penetrator" or a "flechette". To allow the projectile to function, it is contained while travelling down the barrel in a structural device called a "sabot", which keeps it centered in the bore and is then discarded in flight. The projectile is stabilized in the air by a set of fins, increasing accuracy. Such ammunition has the benefit of minimizing air resistance, allowing it to maintain exceptionally high velocities over long distances which greatly increase effective range, accuracy and penetrative power. They are constructed from dense, hard materials to maximize inertia and resilience, further improving damaging potential.<ref name="WikipediaSabot">'''Wikipedia''', [https://en.wikipedia.org/wiki/Armour-piercing_fin-stabilized_discarding_sabot Armour-piercing fin-stabilized discarding sabot]</ref>
{{Conjecture end}}


=== HVAP ===
=== HVAP ===
The 14.5×114mm HVAP (high-velocity, armor-piercing) round is an alternate ammunition type to the standard APFSDS which was used with [[SRS99-AM sniper rifle|SRS99-AM sniper rifles]] during the [[Battle of Reach]]. According to [[Spartan]] [[Jun-A266]], the round is sufficient to "take the hat off an elite at 2,000 yards." He also implied that they were highly expensive.<ref name="NightfallJun"/>
The 14.5×114mm HVAP ([https://en.wikipedia.org/wiki/Armor-piercing_shell#Armor-piercing_composite_rigid high-velocity, armor-piercing]) round is an alternate ammunition type to the standard APFSDS which was used with [[SRS99-AM sniper rifle|SRS99-AM sniper rifles]] during the [[Battle of Reach]]. According to [[Spartan]] [[Jun-A266]], the round is sufficient to "take the hat off an elite at 2,000 yards." He also implied that they were highly expensive.<ref name="NightfallJun"/>
 
{{Conjecture}}
Judging from their designation, these rounds work in the same way as a real-world anti-armor ammunition type typically used in the weapons of 20th century combat vehicles. Also referred to as APCR (armor-piercing composite rigid), but known as HVAP to the military of the United States, the basic design is a core of dense, hard material encapsulated in a conventional full-bore projectile of comparatively lesser durability and density. On impact, the energy of the round is concentrated into the dense core, working to drive it through armor plating. While the function of this round in large-caliber ammunition has largely been overruled by APDS (armor-piercing, discarding-sabot) and APFSDS, many small arms ammunition types designed to be capable of damaging lightly armored vehicles or penetrating body armor make use of the same basic design.<ref>'''Wikipedia''', [https://en.wikipedia.org/wiki/Armor-piercing_shell#Armor-piercing_composite_rigid ''Armor-piercing composite rigid'']</ref>
{{Conjecture end}}


=== HEAP ===
=== HEAP ===
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