9x39mm (no ontology)

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'''9x39mm''' is a rifle cartridge designed in the 1980s by a team of Soviet engineers as TsNIITochMash. The cartridge is based on [[7.62x39mm]], necked up to accept a 0.364" (9.25mm) projectile. Its intended purpose was to be a potent subsonic cartridge capable of delivering adequate terminal ballistics, responding to a complaint that subsonic [[5.45x39mm]] bullets do not develop sufficient amounts of energy at subsonic velocities.  
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{|
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| '''Caliber name'''
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| colspan="2" | 9x39mm
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|-
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| '''Energy'''
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| colspan="2" | '''860''' Joule
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|-
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| '''Velocity'''
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| colspan="2" | '''300''' m/s
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|-
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| '''Bullet weight'''
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| colspan="2" | '''248''' gr ('''16.07''' g)
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|-
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| '''Country'''
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| colspan="2" | <[#img [hash CTV4GGNBJ41NC0XYHKS0M9Q3AD]]> Soviet Union
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|-
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| '''Year'''
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| colspan="2" | 1985
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|-
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| '''Price'''
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| colspan="2" | '''360''' [[Parallar|P$]] ('''30''' rounds)
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|-
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| '''Compatible with'''
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| colspan="2" | 2 weapons
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|}
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</div>
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The '''9x39mm''' is an anti-personnel, subsonic cartridge developed by '''TsNIITochMach'''. It is one of the three '''armor-piercing rounds''' of the game, characterized by relatively low base power but low drop of performance as the target [[Damage chart|armor class]] increases. It is considered a medium-tier caliber.
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=== Real-life data ===
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Based on the well-known [[7.62x39mm]] round but with an enlarged neck to hold a 9mm bullet, the '''9x39mm''' caliber was developed by a team from Soviet, now Russian firearms manufacturer '''TsNIITochMach''' in the 1980s.
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This caliber was requested the '''Spetsnaz''', the Special Forces of the Soviet Union and later of Russia. In the past, the Spetsnaz noticed that the range of silenced semi-automatic pistols is very limited, forcing them to switch to special, silenced variants of [[Kalashnikov AK-47|AK and AKM]] rifles, which used a special, subsonic variant of [[7.62x39mm]]; it was named '''7.62x39mm US''', corresponding to ''Umenshennaya Skorost'', which translates to '''&quot;Low velocity&quot;'''. However, the performance of those special adapted rounds wasn't exactly suited to the Spetsnaz's needs.
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As such the 9x39mm was requested and developed. It is a naturally subsonic caliber, which achieves low velocity while retaining sufficient power for various needs. Several variants were produced, of which the '''SP-5''' and '''SP-6''' are the most well-known. The cartridges were based on '''7.62x39mm''' cases, but adapted to a 9mm bullet. The '''SP-5''' bullet was a standard, lead bullet for sniper purposes at an effective range of 300 to 400 meters. The '''SP-6''' bullet is a hardened steel core bullet, armor-piercing capable at the same ranges, but is more expensive.
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Two weapons were initially developed for 9x39mm caliber: the [[Tula Arms VSS Vintorez|VSS Vintorez]] sniper rifle, and the '''SR-3 Vikhr''' assault rifle. Both weapons are selective-fire, and were known for being manufactured with integral silencers and for using standardized magazines, interchangeable between them.
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9x39mm was declined in two major versions: SP-5 ; fitted with a 259 grain FMJ bullet with lead core, and SP-6 ; fitted with a 247 grain AP bullet with hardened metal core.
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Other variants were later developed, but the SP-5 and SP-6 cartridges are perhaps the most commonly used.
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As of today, this cartridge is still used by the Russian Spetsnaz.
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'''Note:''' Despite virtually all 9x39mm ammunition in real life using steel cases and Berdan primers, all 9x39mm ammunition in MazeWorld is Boxer-primed and brass cased in order to facilitate [[handloading]]. The FMJ load used in the game is made to replicate as closely as possible the performance of the original SP-5 cartridge.
=== Mazeworld overview ===
=== Mazeworld overview ===
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''The variant used in Mazeworld is the armor-piercing SP-6 round.''
 
{|
{|
| '''Type'''
| '''Type'''
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| Unarm
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| [[Limb damage|LDV]]
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| Light
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| <span style="color: white">C1</span>
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| Hardskin
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| <span style="color: #AAAAAA">C2</span>
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| Kevlar-2
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| <span style="color: #666666">C3</span>
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| Kevlar-3
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| <span style="color: cyan">A1</span>
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| Kevlar-4
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| <span style="color: #00FF00">A2</span>
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| HEV
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| <span style="color: yellow">A3</span>
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| <span style="color: orange">A4</span>
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| <span style="color: red">A5</span>
|-
|-
| '''Bullet'''
| '''Bullet'''
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| <span style="color: green">52%</span>
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| '''+4'''
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| <span style="color: green">52%</span>
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| 59%
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| <span style="color: green">52%</span>
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| 56%
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| <span style="color: green">52%</span>
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| 53%
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| <span style="color: green">52%</span>
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| 48%
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| <span style="color: green">52%</span>
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| 39%
| 30%
| 30%
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| 15%
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| 4%
|}
|}
<span style="font-size:80%;">[[Damage chart|How to read this?]]</span>
<span style="font-size:80%;">[[Damage chart|How to read this?]]</span>
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Between the three '''armor-piercing''' calibers in the game, the '''9x39mm''' is the best one. It is considered a '''medium-tier''' caliber due to its average power, but has the immense advantage of having a very 'flat' damage curve as the target's armor class increases.
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* Available for purchase in a [[gun shop]] or a [[weapon shop]] in '''boxes of 20''' or '''bulk cans of 500'''.
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* Available brands and projectile types:
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** ''Standard'' (Regular, SP): FMJ, Match, AP
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** ''Reduced Velocity'' (Regular, -P): FMJ
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** ''Milsurp'' (Surplus, SP): FMJ, AP
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** ''Silent Sniper'' (Premium -P): FMJ, Match, AP, APX
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* Retail value of a standard round (Reg/FMJ/SP): '''4 P$ /round'''
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* [[Recoil]] level: '''2 - Light'''
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Thanks to its medium power and armor-piercing capability, the '''9x39mm''' caliber is capable of doing '''almost universally the same 52% [[Pain|damage]]''' to targets of all armor classes except HEV-level AC. Because of this, the '''9x39mm''' is arguably one of the best calibers of the game, as it is equally lethal for practically all kinds of enemies, weaknesses and strength perks not counted.
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=== [[Handloading]] information ===
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9x39mm ammunition is rare, fitting only in two weapons of the game. Such ammunition can be found at random in the [[Room|rooms]], or bought in a [[Gun shop|gun shop]]/[[Weapon shop|weapon shop]] for '''12 P$/round''', in boxes of 30.
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* Primer type: '''Large rifle'''
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* Powder type: '''Rifle'''
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* Projectile type: '''.364, 259 grain'''
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* Standard load: '''342 pwdr'''
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** -P load: '''308 pwdr'''
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* Cost of a 50 case box: '''57 P$''' (1.14 P$/case)
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* Estimated cost to handload 1 standard round (Reg/FMJ/SP): 3.328 P$
=== Weapons compatible ===
=== Weapons compatible ===
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'''Class 1 weapons'''
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==== Standard weapons ====
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*[[Tula Arms VSS Vintorez]]
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Total amount of standard weapons available in this caliber: '''4'''.
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'''Class 2 weapons'''
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[[List of Class 1 Weapons|Class 1]] weapons:
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* '''Tula Arms AS Val''', combat rifle
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* '''Tula Arms VSS Vintorez''', precision rifle
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*[[KBP 9A91]]
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[[List of Class 2 Weapons|Class 2]] weapons:
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* '''KBP 9A91''', combat rifle
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* '''Tula Arms SR-3 Vikhr''', combat rifle
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==== [[Maze Customs]] ====
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* [[Customs:Weapons|Customs weapon families]]: Available as a chambering for the '''AK''' family.
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* [[Customs:Minor|Minor services]]: '''Groza-4 GL''' (Tactical conversion for the KBP OTs-14 Groza-4), '''Groza-4 SSR''' (Tactical conversion for the KBP OTs-14 Groza-4)
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=== Barrel length groups ===
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Depending on the barrel length of the firearm, a '''multiplier to [[Pain]] and [[Limb damage]]''' is applied. Please refer to the [[Weapon|lists of weapons]] or to the event lines to know your particular weapons' barrel length.
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{|
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| '''Group name'''
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| '''Length range'''
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| '''Damage multiplier'''
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|-
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| ''Subcarbine''
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| ''Up to 11"''
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| '''''1x'''''
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|-
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| Carbine
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| 11.1" to 14.9"
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| 1.15x
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|-
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| Rifle
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| 15" to 20.9"
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| 1.25x
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|-
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| Precision
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| 21" and beyond
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| 1.35x
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|}
== Gallery ==
== Gallery ==
{|
{|
| <[#img [hash 38THRWTAGP5CW63MBZ3JGK455K] [width 250]]>
| <[#img [hash 38THRWTAGP5CW63MBZ3JGK455K] [width 250]]>
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|-
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| <span style="font-size:80%;">9x39mm AP</span>
|}
|}
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*[[Weapon]]
*[[Weapon]]
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Real life information
*[http://en.wikipedia.org/wiki/9x39mm Wikipedia article]
*[http://en.wikipedia.org/wiki/9x39mm Wikipedia article]

Latest revision as of 13:42, 10 November 2017

9x39mm is a rifle cartridge designed in the 1980s by a team of Soviet engineers as TsNIITochMash. The cartridge is based on 7.62x39mm, necked up to accept a 0.364" (9.25mm) projectile. Its intended purpose was to be a potent subsonic cartridge capable of delivering adequate terminal ballistics, responding to a complaint that subsonic 5.45x39mm bullets do not develop sufficient amounts of energy at subsonic velocities.

9x39mm was declined in two major versions: SP-5 ; fitted with a 259 grain FMJ bullet with lead core, and SP-6 ; fitted with a 247 grain AP bullet with hardened metal core. Other variants were later developed, but the SP-5 and SP-6 cartridges are perhaps the most commonly used.

Note: Despite virtually all 9x39mm ammunition in real life using steel cases and Berdan primers, all 9x39mm ammunition in MazeWorld is Boxer-primed and brass cased in order to facilitate handloading. The FMJ load used in the game is made to replicate as closely as possible the performance of the original SP-5 cartridge.

Mazeworld overview

Type LDV C1 C2 C3 A1 A2 A3 A4 A5
Bullet +4 59% 56% 53% 48% 39% 30% 15% 4%

How to read this?

  • Available for purchase in a gun shop or a weapon shop in boxes of 20 or bulk cans of 500.
  • Available brands and projectile types:
    • Standard (Regular, SP): FMJ, Match, AP
    • Reduced Velocity (Regular, -P): FMJ
    • Milsurp (Surplus, SP): FMJ, AP
    • Silent Sniper (Premium -P): FMJ, Match, AP, APX
  • Retail value of a standard round (Reg/FMJ/SP): 4 P$ /round
  • Recoil level: 2 - Light

Handloading information

  • Primer type: Large rifle
  • Powder type: Rifle
  • Projectile type: .364, 259 grain
  • Standard load: 342 pwdr
    • -P load: 308 pwdr
  • Cost of a 50 case box: 57 P$ (1.14 P$/case)
  • Estimated cost to handload 1 standard round (Reg/FMJ/SP): 3.328 P$

Weapons compatible

Standard weapons

Total amount of standard weapons available in this caliber: 4.

Class 1 weapons:

  • Tula Arms AS Val, combat rifle
  • Tula Arms VSS Vintorez, precision rifle

Class 2 weapons:

  • KBP 9A91, combat rifle
  • Tula Arms SR-3 Vikhr, combat rifle

Maze Customs

  • Customs weapon families: Available as a chambering for the AK family.
  • Minor services: Groza-4 GL (Tactical conversion for the KBP OTs-14 Groza-4), Groza-4 SSR (Tactical conversion for the KBP OTs-14 Groza-4)

Barrel length groups

Depending on the barrel length of the firearm, a multiplier to Pain and Limb damage is applied. Please refer to the lists of weapons or to the event lines to know your particular weapons' barrel length.

Group name Length range Damage multiplier
Subcarbine Up to 11" 1x
Carbine 11.1" to 14.9" 1.15x
Rifle 15" to 20.9" 1.25x
Precision 21" and beyond 1.35x

Gallery

(image)
9x39mm AP

See also

Real life information

Retrieved from "http://old.mazeworld.net/wiki/9x39mm"