20x138mmB - Revision history

Admin at 11:25, 28 May 2023

2023-05-28T11:25:17Z

Admin at 09:09, 8 April 2021

2021-04-08T09:09:32Z

Admin at 09:08, 8 April 2021

2021-04-08T09:08:16Z

Admin at 08:55, 8 April 2021

2021-04-08T08:55:21Z

Admin: /* Ballistic Performance */

2021-04-08T08:50:16Z

Ballistic Performance

Admin at 08:49, 8 April 2021

2021-04-08T08:49:56Z

Admin: Created page with "The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the..."

2021-04-08T08:41:12Z

Created page with "The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the..."

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The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).

== Users ==

The 20×138mmB cartridge is used in the following weapons, by the following entities:

=== Switzerland ===
* Solothurn anti-tank rifles: S-18/1000 and S-18/1100

=== Germany ===
* FlaK 30 and FlaK 38 single-barrel, and Flakvierling quadruple-barrel anti-aircraft guns
* KwK 30 and KwK 38 vehicle-mounted weapons
* MG C/30L aircraft gun

=== Italy ===
* Cannone-Mitragliera da 20/65 modello 35 (Breda)
* Cannone-Mitragliera da 20/77 (Scotti)

=== Finland ===
* Lahti L-39 anti-tank rifle
* Lahti L-40 anti-aircraft gun

=== Poland ===
* Nkm wz.38 FK anti-tank vehicle-mounted gun

[[Category: Centerfire Cartridges]]
[[Category: Anti-Tank Cartridges]]
[[Category: Anti-Aircraft Cartridges]]

← Older revision		Revision as of 09:09, 8 April 2021
Line 1:		Line 1:
−	[[File:20x138mmB-Anti-Tank-Aircraft-Solothurn-Magazine-Long-Cartridge-Comparison-5.56-PMAG-Firearm-Wiki-FirearmWiki.jpg\|frame\|right\|An image showing a '''20x138mmB''' cartridge, next to a [[5.56 NATO]] round and a 20-round Magpul PMAG - all sitting on top of a 10-round [[Solothurn S-18/1000]] magazine for size comparison. Photo is by MOA Targets.]]	+	[[File:20x138mmB-Anti-Tank-Aircraft-Solothurn-Magazine-Long-Cartridge-Comparison-5.56-PMAG-Firearm-Wiki-FirearmWiki.jpg\|frame\|right\|An image showing a '''20x138mmB''' cartridge, next to a [[5.56 NATO]] round and a 20-round Magpul PMAG - all sitting on top of a 10-round [[Solothurn S-18/1000]] magazine for size comparison. [https://imgur.com/gallery/68XUY Photo is by MOA Targets].]]

	The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).		The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).

@@ Line 1: / Line 1: @@
 The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).
@@ Line 19: / Line 21: @@
 ! Bullet Weight / Type !! Velocity !! Energy
 |-
-| 1851.88 gr. (120 grams) || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
+| 1851.88 gr. (120 grams) - Tungsten Core Armor Piercing || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
 |}

@@ Line 19: / Line 19: @@
 ! Bullet Weight / Type !! Velocity !! Energy
 |-
-| 1852 gr. (120 grams) || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
+| 1851.88 gr. (120 grams) || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
 |}
 == Users ==

@@ Line 19: / Line 19: @@
 ! Bullet Weight / Type !! Velocity !! Energy
 |-
-| ~1852 gr. (120 grams) || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
+| 1852 gr. (120 grams) || 2,950 ft/s (900 m/s) || 34,655 ft lbs (47,000 J)
 |}

← Older revision		Revision as of 08:49, 8 April 2021
Line 1:		Line 1:
	The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).		The '''20×138mmB''' "Solothurn Long" is a belted centerfire cartridge that was mainly used in anti-aircraft and anti-tank weapons during World War II. It was developed by the Swiss [[Solothurn Firearms Company]] during the early 1930's. The designation means the bullet diameter measures at 20 mm, the length of the cartridge case is 138 mm and "B" indicates that it is a belted case. A loaded cartridge weighs in at 300 grams (10.7 oz).
		+
		+	== Specifications ==
		+
		+	* '''Case type:''' Bottleneck, belted
		+	* '''Bullet diameter:''' 20 mm (.787 in?)
		+	* '''Neck diameter:''' 20.9 mm (0.82 in)
		+	* '''Shoulder diameter:''' 25.5 mm (1.00 in)
		+	* '''Base diameter:''' 26.86 mm (1.057 in)
		+	* '''Rim diameter:''' 28.48 mm (1.121 in)
		+	* '''Rim thickness:''' 26.86 mm (1.057 in)
		+	* '''Case length:''' 138 mm (5.4 in)
		+	* '''Overall length:''' 202.7 mm (7.98 in)
		+
		+	== Ballistic Performance ==
		+
		+	{\| class="wikitable"
		+	\|-
		+	! Bullet Weight / Type !! Velocity !! Energy
		+	\|-
		+	\| ~1852 gr. (120 grams) \|\| 2,950 ft/s (900 m/s) \|\| 34,655 ft lbs (47,000 J)
		+	\|}

	== Users ==		== Users ==

@@ Line 48: / Line 48: @@
 === Poland ===
 * Nkm wz.38 FK anti-tank vehicle-mounted gun
 [[Category: Centerfire Cartridges]]
 [[Category: Anti-Tank Cartridges]]
 [[Category: Anti-Aircraft Cartridges]]