20 gauge

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20 gauge
20 gauge (Slug).jpg
Slug shell
Game information
All information listed assumes Standard ammo (Reg/SP)
Category (S)hotgun caliber
Recoil level 3
Cost per round See page
Weight per round (units) 0.05
Quantity (retail box/bulk can) 10 / 200
Damage tables
Varies depending on projectile type
See page for details
Handloading information
Primer type Shotshell
Powder type Pistol powder
Wad type 20 gauge wad
Projectile type Varies, see page
Cost per case Parallar symbol.png 0.95
Standard load (SP) 280 pwdr
Cold load (-P) 257 pwdr
Hot load (+P) 314 pwdr
Super load (+P+) N/A pwdr
Real world information
See page for details


20 gauge is a type of ammunition for firearms. It is classified as a (S)hotgun caliber.

20 gauge is a middle step in size between the diminutive .410 bore shells and the larger 12 gauge shells. They offer a good compromise of recoil and power, but at the cost of not being able to fit as many projectiles in the shell. Some projectile types are not available in 20 gauge (namely, FRAG-12 and coin shot) as they simply would not fit. All 20 gauge shells in the Mazes are 2 ¾ inch (70mm) long.

This caliber may also be called 20 ga. or 20G.


Damage tables

Buckshot

The table below assumes Plated buckshot (P-Buck). Pain and Limb Damage listed are per projectile; multiply by the amount of projectiles that hit.

Damage type Projectiles LDV Pain (C1) Pain (C2) Pain (A1) Pain (A2) Pain (A3) Pain (A4) Pain (A5)
Bullet 8 +0 16% 14% 13% 10% 8% 4% 1%

Slug

The table below assumes Full metal jacketed slug (F-Slug).

Damage type LDV Pain (C1) Pain (C2) Pain (A1) Pain (A2) Pain (A3) Pain (A4) Pain (A5)
Bullet +5 104% 93% 83% 67% 52% 26% 8%

Exotic projectiles

Flechette

Shooting this ammunition type applies a FT -1 effect.

Pain and Limb Damage listed are per projectile; multiply by the amount of projectiles that hit.

Damage type Projectiles LDV Pain (C1) Pain (C2) Pain (A1) Pain (A2) Pain (A3) Pain (A4) Pain (A5)
Bullet 15 +1 12% 11% 10% 8% 6% 3% 1%

Handloading information

Load the listed projectiles in order to obtain the corresponding shell type:

Projectile Qty Shell type
Buckshot shells
00 buckshot, copper-plated 8 P-Buck shell
00 buckshot, lead 8 Buck shell
00 buckshot, rubber 8 R-Buck shell
Slug shells
20 gauge slug, FMJ 1 F-Slug shell
20 gauge slug, lead 1 Slug shell
20 gauge slug, rubber baton 1 R-Slug shell
20 gauge slug, lead/incendiary 1 I-Slug shell
20 gauge slug, JHP 1 HP-Slug shell
20 gauge slug, AP 1 AP-Slug shell
Exotic shells
Flechette, 1 inch 15 Flech shell


Compatibility

Base weapons

There are 18 base weapons chambered in this caliber.

Class 1 weapons:

Class 2 weapons:

Class 3 weapons:


Barrel length groups

The reference barrel length belongs to the group listed in italics.

Group name Barrel length range Damage multiplier
Super-short Up to 10" 0.8x
Short 10.1" - 15.9" 0.85x
Combat 16" - 23.9" 1.0x
Hunting 24" and up 1.1x


Retail information

20 gauge ammunition can be purchased in gun shops and weapon shops in boxes of 10 rounds or bulk cans of 200 rounds.

The following brands and projectile types are available in retail:

Brand name Composition Available projectile types
Standard Reg/SP P-Buck (Parallar symbol.png5.50)
Buck (Parallar symbol.png5.00)
R-Buck (Parallar symbol.png2.50)
Slug (Parallar symbol.png6.00)
R-Slug (Parallar symbol.png2.50)
Flech (Parallar symbol.png10.00)
Tactical Reg/-P P-Buck (Parallar symbol.png4.95)
Buck (Parallar symbol.png4.50)
Slug (Parallar symbol.png6.30)
R-Slug (Parallar symbol.png2.25)
Magnum Reg/+P P-Buck (Parallar symbol.png6.05)
Buck (Parallar symbol.png5.50)
Slug (Parallar symbol.png7.70)
Flech (Parallar symbol.png11.00)

The values listed in parentheses correspond to the value of a single shell of the corresponding brand and projectile type. They are included on this table as a convenience, in order to tell at a glance the cost of a given brand and projectile combination.

Maze Customs

Availability of 20 gauge as a Customs family chambering:
noframe
1911SS
noframe
1911DS
noframe
Blackhawk
noframe
Redhawk
noframe
Glock-SF
noframe
Glock-LF
noframe
MP5
noframe
AR-15
noframe
AK
noframe
AR-10
noframe
Rem700
noframe
BA
noframe noframe noframe noframe noframe noframe noframe noframe noframe noframe noframe noframe

Real life information

Real-life origins:

  • Country of origin: United Kingdom.png United Kingdom
  • Year of origin: Unknown, presumed late-19th century

Ballistics data for 20 gauge buckshot:

  • Projectile dimensions: 00 buckshot (0.330" spherical pellet), 53 grains (x8)
  • Muzzle velocity: 367 m/s (1204 ft/s)
  • Muzzle energy per projectile: 231 Joule (170 ft-lbf)

Ballistics data for 20 gauge slug:

  • Projectile dimensions: 0.580", 273 grains (~5/8 oz slug)
  • Muzzle velocity: 482 m/s (1580 ft/s)
  • Muzzle energy: 2050 Joule (1513 ft-lbf)

Ballistics data for 20 gauge flechette:

  • Projectile dimensions: 1-inch steel penetrator flechette, 10 grains (x15)
  • Muzzle velocity: 438 m/s (1437 ft/s)
  • Muzzle energy per projectile: 62 Joule (46 ft-lbf)