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5 Best Guns Ever Used by the US Military

Best Guns Ever Used by the US Military
M16 Rifle

Best Guns Ever Used by the US Military: Since the American Revolution, there have been many fine truly “American” firearms – from the Kentucky Long Gun to the Colt Single Action Army to the Barrett M82 anti-material rifle. While there have been a few misses along the way, some of the best firearms have been developed in the land of the free and the home of the brave. These are the best of the best.

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Best Guns Ever Used by the US Military: Colt 1911

When it comes to “beloved” American sidearms – as well as the most widely used American military firearm of the 20th century – nothing comes close to the Colt Model 1911, which was designed by the legendary John Browning. It is the best-known of his designs to utilize the short recoil principle he perfected. It was vastly superior to the U.S. military’s then-standard Colt M1892 revolver, which had shown to lack the necessary stopping power when it was employed during the U.S.-Philippine War.

More than two million of the .45 ACP pistols were produced for the U.S. military, and it was carried throughout the First and Second World Wars, Korea, and Vietnam. Today, many Special Forces operators still have opted to carry the 1911 over the M9 or M17 handguns. It is simply a time-tested classic.

Colt M1911

Image: Creative Commons.

M1911 Gun History

Image: Creative Commons.

Best Guns Ever Used by the US Military: M1919 Browning Machine Gun

It shouldn’t be a surprise that American gun designer John M. Browning is on the list twice. He developed the excellent water-cooled M1917 .30 caliber heavy machine gun, improving on the Maxim and Vickers machine gun designs that were used during the First World War. Then he improved upon his own design with the M1919 Browning, the first truly successful air-cooled medium machine gun.

While the recoil-operated, belt-fed machine gun had a fairly slow rate of fire, ranging from 400-600 rounds per minute, it had an effective range of 1,400 meters. It was accurate, reliable and versatile, and was easily adapted for use by infantry, and could also be mounted on Jeeps, tanks, aircraft and even landing craft. While the development of general-purpose machine guns in the Cold War relegated the M1919 to a secondary role, even 100 years later the .30 caliber weapon is still very much in use today. It was also “supersized” as the M2 .50 caliber Browning machine gun, which shows no signs of being retired anytime soon.

M2 .50 Caliber Machine Gun

Image: Creative Commons.


Best Guns Ever Used by the US Military: Thompson M1A1

Known as the “Chicago Typewriter,” “Tommy Gun,” and plenty of other colorful monikers, the Thompson submachine gun was developed during the First World War, but arrived too late to see any action in the conflict. The original version was introduced in 1921 and it was an immediate failure, as the U.S. military wasn’t interested in such a weapon. Without a war, its makers at Auto-Ordnance found a customer with the Post Office, where it was employed with the officers who guarded the U.S. mail on trains in the 1920s and early 1930s. It was also marketed to civilians, notably ranchers, as a way to fend off rustlers – but it found a use with both gangsters and lawmen during prohibition.

By the outbreak of the Second World War, the updated Thompson M1928A1 was in use with the U.S. Army and United States Marine Corps, yet it was found that the 50-round drum magazine was prone to jamming while it was considered too heavy and bulky. By D-Day the U.S. military adopted the M1A1, which utilized a 20 or 30 round box magazine and more importantly lowered the production costs from nearly $210 each to $45 a piece.

Generally carried by platoon and squad leaders, the Thompson fired the .45 ACP cartridge and the M1A1 version had a rate of fire of 625rpm and an effective range of 165 yards.

Best Guns Ever Used by the US Military: The M1 Garand

Developed prior to America’s entry into the Second World War, the M1 Garand was certainly the best rifle used in the conflict. The gas-operated, semi-automatic rifle could hold eight rounds, and easily fire upwards of 40-50 rounds a minute, which was a considerable step up from most bolt action rifles of the era.

It was also designed to fire the .30-06 Springfield cartridge, the same round that was utilized with the M1903 Springfield bolt action rifle, the Browning Automatic and the .30 caliber Browning machine gun. That ensured that troops weren’t left scrambling for ammo. That also meant it had greater stopping power and range than the submachine guns being utilized at the time.

World War II Guns

M1 Garand. Image Credit: Creative Commons.

M1 Garand

Image: Creative Commons.

American M1 Garand

American M1 Garand. Image: Creative Commons.

Some 5.5 million M1 Garands were manufactured during the war, and while other nations attempted to introduce their own respective self-loading/semi-automatic rifle, nothing even came close. It is easy to see why General George S. Patton called the M1 rifle, “the greatest battle implement ever devised.”

Best Guns Ever Used by the US Military: AR15/M16

Even among gun aficionados, the name Eugene Stoner isn’t all that well known, even if his AR15/M16 is practically a household name. The military version actually had a rocky start, however. Many in the United States military had gone all in with the M14, which was little more than an updated version of the M1 Garand, while the world had moved forward – and the Soviet Union had introduced its infamous AK47.

M16 Rifle

Image: Creative Commons.

M16 Rifle

PUCKAPUNYAL, AustraliaÑSgt. Jonathan Shue, machine shop noncommissioned officer-in-charge, Marine Aviation Logistics Squadron 36, Marine Air Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force, shoots his M4 carbine here May 10 at the 2011 Australian Army Skill at Arms Meeting. The meeting is an annual, international combat marksmanship competition hosted by the Australian Army that will be held through May 19. (U.S. Marine Corps Photo by Lance Cpl. Mark W. Stroud/Released)

Taliban M16

Image Credit: Creative Commons.

Taliban M16 Rifles

CAMP FUJI, Japan (Jan. 18, 2012) Yeoman 3rd Class Ralph Javier, assigned to the U.S. 7th Fleet amphibious command ship USS Blue Ridge (LCC 19), aims an M16 rifle during a gun qualification shoot at Camp Fuji. (U.S. Navy photo by Mass Communication Specialist 2nd Class Aaron M. Pineda/Released)

Yet, U.S. Secretary of Defense Robert McNamara pressed forward to phase out the M14, and called for the adoption of the M16. Once refined as the M16A1, it became known to be a reliable and accurate deadly firearm. It was also lighter and better suited to the jungle fighting in Vietnam, and for more than 50 years, the AR15/M16 family of firearms has set the standard for American military small arms.

Bonus: Meet the Glock 19X That Nearly Joined the U.S. Military 

Glock 19X

Glock 19X. Image Credit: 19FortyFive.

Glock 19X

Glock 19X marketing package. Image Credit: Glock.

Glock 19X

Glock 19X. Image Credit: YouTube Screenshot.

Glock 19X

Glock 19X. Image Credit: Glock.

Glock 19X

Glock 19X. Image Credit: Creative Commons.

Peter Suciu is a Michigan-based writer who has contributed to more than four dozen magazines, newspapers, and websites. He regularly writes about military small arms and is the author of several books on military headgear including A Gallery of Military Headdress, which is available on Peter is also a Contributing Writer for Forbes Magazine. 

Written By

Expert Biography: A Senior Editor for 1945, Peter Suciu is a Michigan-based writer who has contributed to more than four dozen magazines, newspapers, and websites with over 3,000 published pieces over a twenty-year career in journalism. He regularly writes about military hardware, firearms history, cybersecurity, and international affairs. Peter is also a Contributing Writer for Forbes. You can follow him on Twitter: @PeterSuciu.



  1. Howard Pyle

    December 21, 2021 at 7:19 pm

    The only thing the M-16 was better than was no rifle at all. The sights were unusable, the need for a forward assist confesses an unforgiveable flaw, and we could only load 18 rounds into the 20-round mag for them to feed reliably. If you tried to administer a butt stroke, instead of incapacitating your opponent, it annoyed him. The M-14 was in every way superior.

  2. Everett

    December 22, 2021 at 6:05 pm

    First order of business to you Mr Pyle, if I hit you or anyone with a butt stroke to the head with any M16 ,your going down with at minimum of a concussion,most likely a fractured skull or face. One of the stupidest comments ever. I spent many years in the Army and National Guard never had any problems with putting 20 rounds in a 20 round mag or 30 in a 30 round mag. The sights are very good if your weapon is zeroed properly. I own one of the first AR 15s with Vietnam era sights and I have no problems even at 500 yards. The forward assist was not a design flaw. Eugene Stoner fought the DoD on that issue but some jackass in the Pentagon overrode common sense and so the fwd assist stayed. It was decided that soldiers would feel comfortable with a button to push. The M14 in a jungle environment was in no way superior.Wood became water logged and swollen, you can’t carry as much ammo ,the rifle is very heavy and wears out the troops carrying it. The reason Stoner went as light as possible with the M16 is because he talked to WW2 vets who complained of the weight of the Garand especially in the heat of the Pacific. Yes a 30-06 round or .308 has more punch but the 5.56 round is devastating there are alot of dead Vietnamese,Somalians and Arabs that learned the hard way. Also why did the Vietcong and NVA get rid of their AKs in favor of the M16??? It happened extensively. The Russian advisors and North Vietnamese were making their own 5.56 ammo within 6 months of the debut of the m16 in Vietnam. Captured M16s were very valuable to them. It resulted in the Soviet Union developing the 5.45 x 39 ammo. Why? Because that smaller higher velocity round was devastating compared to their 7.62 x39 fired from the original Kalishnakov. Yes a 7.62 x51 is more powerful but it usually does a through and through wound. A 5.56 will yaw and tumble through the body.Bullets can hit the hip or rib and wind up 20 inches from the entrance hole causing multiple internal injuries. One bullet can damage intestines,liver and lungs. Lastly a soldier can carry over twice the ammo in 5.56 as opposed to 7.62×51. In fact many units said the would have been overrun because of running out of ammo had they been using M14s instead of M16s

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