Systema Obregón

Overview

Systema Obregón
General Information
Type	Pistol
Place of Origin	Mexico
Designers	Alejandro Obregón
Period Designed	Mid-1930s Mexican patent 1934 US patent 1938
Manufacturer	Mexico City National Armory
Number Built	~800
Developed From	M1911A1 Pistol
Characteristics
Cartridge	.45 ACP
Expected Muzzle Velocity	253m/s
Action	Short recoil, rotating locking barrel
Firemodes	Semi, safe
Feed System	Detachable box magazines
Ammunition Loading	7 round magazines
Effective Range	~59m
Dimensions
Weight	1130g
Barrel Length	127mm
Length	216mm

The Systema Obregón is a Mexican pistol developed in the mid-1930s by Alejandro Obregón. It is a derivative of the American M1911A1 Pistol, but with internal changes similar to that of the Austro-Hungarian Steyr M1912.

1911 Pattern Pistols
USA	Originals	M1911 (A1 • A2)
	Derivatives	M45 (A1) • DE 1911 G. • R1 • SW1911
Foreign Models	Argentine	Ballester-Molina
	Brazilian	Taurus PT 1911
	German	HK 1911
	Mexican	Systema Obregón
	Russian	TK1911T (SKh)
	Spanish	Star A • Star B • Star P
	Swiss	SIG Sauer 1911

Mexico Weapons Interwar Period & World War II (1919 - 1945)

Infantry Weapons
Melee Weapons	Bayonet	[[]]
	Survival Weapon	[[]]
Sidearms	Pistol	Obregón
	Revolver	[[]]
	Machine Pistol	[[]]
Close Quarters	Personal Defense Weapon	[[]]
	Submachine Gun	[[]]
	Shotgun (automatic)	[[]]
	Shotgun (semi-automatic)	[[]]
	Shotgun (manual-action)	[[]]
Primary Weapons	Assault Rifle (5.45/5.56)	[[]]
	Assault Rifle (7.62)	[[]]
	Assault Rifle (other)	[[]]
	Carbine (5.45/5.56)	[[]]
	Carbine (7.62)	[[]]
	Carbine (other)	[[]]
Automatic Support Weapons	Light Machine Gun	[[]]
	General Purpose Machine Gun	[[]]
	Heavy Machine Gun	[[]]
Long Range	Anti-Materiel Rifle	[[]]
	Bolt-Action Rifle	Mauser Mexicano (CMM 1895 • CMM 1910 • CMM 1912 • CMM 1924 • FMM 1893 • FMM 1902 • 1907 • FMM 1912 • FMM 1924 (BEL) • FMM 1924 (CZE) • FMMN 1936 • FMM 1954)
	Designated Marksman Rifle	[[]]
Launchers	Grenade Launcher (Attachment)	[[]]
	Grenade Launcher (Standalone)	[[]]
	Disposable Rocket Launcher	[[]]
	Rocket Launcher	[[]]
	Guided, Anti-Tank	[[]]
	Guided, Anti-Air	[[]]
Non-Lethal Weapons	Rifle	[[]]
	Pistol	[[]]
Underwater Weapons	Sidearm	[[]]
	Rifle	[[]]
Explosives	Anti-Personnel Mines	[[]]
	Anti-Tank Mines	[[]]
	Offensive Grenades	[[]]
	Smoke Grenades	[[]]

Firearm Accessories
Optics	Iron Sights	[[]]
	Collimator	[[]]
	Telescopic	[[]]
	Magnifier	[[]]
Attachments	Flashlights & Lasers	[[]]
	Foregrips & Bipods	[[]]

Infantry Equipment
Clothing	Backpacks	[[]]
	Body Armour	[[]]
	Bomb Suit	[[]]
	Elbow and knee pads	[[]]
	Signals & IFF	[[]]
	Suits	[[]]
	Vests & Webbing	[[]]
Headwear	Communication	[[]]
	Gas Masks & Rebreathers	[[]]
	Goggles	[[]]
	Helmets	[[]]
	Vehicle Headwear	[[]]
Optics, Detection and Surveillance	Man-Portable Radar	[[]]
	Mine Detectors	[[]]
	Night Vision Goggles	[[]]
	Periscopes	[[]]
	Rangefinders	[[]]
	Surveillance	[[]]

Artillery
Anti-Aircraft Guns	[[]]
Anti-Tank Guns	[[]]
Anti-Tank Guided Missiles	[[]]
Anti-Tank Guided Missile Systems	[[]]
Anti-Tank Guided Missile Systems	[[]]
Howitzers	[[]]
Mortars	[[]]
Railroad Artillery	[[]]
Recoilless Guns	[[]]
Rocket Artillery	[[]]
Siege Artillery	[[]]

Land Vehicle Weapons
Vehicle Machine Guns	[[]]
57mm Tank Guns	[[]]
73mm Tank Guns	[[]]
76.2mm Tank Guns	[[]]
85mm Tank Guns	[[]]
100mm Tank Guns	[[]]
115mm Tank Guns	[[]]
120mm Tank Guns	[[]]
122mm Tank Guns	[[]]
125mm Tank Guns	[[]]
130mm Tank Guns	[[]]
152.4mm Tank Guns	[[]]
Heavy Guns	[[]]
Vehicle Autocannon	[[]]

Aircraft Weapons & Munitions
7.62mm Machine Guns	[[]]
12.7mm Machine Guns	[[]]
23mm Cannons	[[]]
30mm Cannons	[[]]
37mm Cannons	[[]]
Rocket Pods	[[]]
Rockets	[[]]
Air-to-Air Missiles	[[]]
Air-to-Ship Missiles	[[]]
Air-to-Surface Missiles	[[]]
Anti-Radiation Missiles	[[]]
Cruise Missiles	[[]]
Bombs	[[]]