Was the M1 Garand En-Bloc Clip a Terrible Idea?

By Tom Laemlein
Posted in #Guns #History
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Was the M1 Garand En-Bloc Clip a Terrible Idea?

February 16th, 2023

8 minute read

One of the most distinctive features of the M1 Garand is its internal magazine and the eight-round “en-bloc” metal clip that feeds it. After the eighth round of .30-06 ammunition is fired and the spent casing is ejected, the M1 automatically flings out the empty clip, the action locks open and the rifle is ready to be reloaded. Eight bangs and one ping. That’s how the M1 rifle works.

m1 garand poster en bloc clip
Did John C. Garand get it right by using an eight-round en-bloc clip within the M1 rifle’s internal magazine? Image: Author’s collection.

There are plenty of shooters today who question this design, or at least have questions about it. There are some who outright deride the M1’s internal magazine and feed system. I’ve even heard it called a “Rube Goldberg-style” device by a few folks with no respect and even less sense of firearms history. I’ll do my best to describe how and why the M1 rifle was designed that way and put forth a couple of benefits you may not have considered.

Designed to Specifications

The M1 rifle was not designed in a vacuum. Even though John C. Garand was an inventive thinker, he still worked “inside the box”, in that he answered to the ultimate authorities in U.S. Ordnance. American military leaders had very definite ideas about what they wanted from their new semi-auto rifle.

loading an en block clip into the m1 garand at the springfield armory
In the above photos, the M1 Garand rifle is loaded with an en-bloc clip for testing at Springfield Armory in July 1940. Image: NARA

At that time, the U.S. military was not fond of rifles with detachable magazines (except for John Moses Browning’s fabulous BAR). The prevailing wisdom was that a detachable magazine was weak, easily damaged or lost, and presented an open invitation to introduce rain, dirt and mud to the rifle action during reloading. Some believed that the magazine extending from the bottom of a rifle would get in the way of the manual-of-arms drill. Others were concerned that anything but a flush-mounted magazine would impede effective shooting from the prone position.

Whether Ordnance’s concerns about a detachable magazine were reasonable or unfounded, they were important factors in the development of the new rifle. In response, John Garand created his rifle with a fixed, internal and flush-mounted magazine that was top-loaded with an “en-bloc” clip. This clip is a U-shaped piece of steel that holds eight rounds of .30-06 together in a staggered formation.

man demonstrating how to load an m1 garand rifle
A man demonstrates how to load the M1 rifle using the en-bloc clip. Image: Library of Congress

When early comparisons were made between the Springfield and Garand rifles, it was noted that the popular M1903 bolt-action rifle could be “topped off” with individual rounds while the M1 could not (at least not easily), and this was a cause for concern, particularly among the older soldiers who were initially a bit suspicious of a self-loading rifle.

The most restrictive feature of the en-bloc clip arrangement is that it forces the shooter to either fire all eight rounds or eject the clip (via the clip latch) and leave the M1 unloaded. I am told that you can add individual rounds to a clip inserted in the magazine, but this process requires both hands and a fair amount of effort — certainly not recommended in combat. I have never tried it, primarily because I already cuss too much. If all else fails, the M1 can be loaded with individual rounds and used as a single-shot weapon.

loading cartridges into the en-bloc clip for the m1 rifle
Loading the metal clip by hand was tedious in even in the best conditions. Image: Author’s collection

Turn the clock forward to the present day, and we know that modern detachable magazines are generally well made from light materials. They are so prevalent there is little concern about soldiers losing them or even running out of them in normal combat conditions. However, that was not the case when the M1 rifle was designed (although if you lost the en-bloc clip, you found yourself in a similar situation).

Also, most of the M1’s contemporaries that used a detachable magazine were rarely provided to the rifleman with more than one mag. All too often, users of the German Gewehr 41 or Gewehr 43, or the Soviet SVT-40, had just one magazine, and each reload meant replenishing that same mag. The time that could have been saved by inserting another preloaded magazine was lost in reloading the soldier’s only magazine. With the M1 Garand, the American rifleman simply slammed home another eight-round clip and continued firing.

Into Action

The first combat use of the M1 rifle came during the defense of the Philippines, beginning on December 8, 1941. The new Garand rifles had only recently arrived, and the troops were not completely familiar with the weapon. Most of the American troops stationed in the Philippines carried the M1903 Springfield rifle, while many Filipino soldiers used the M1917 Enfield — both of which are fine bolt-action rifles.

m1 springfield 1935 semi-auto rifle ordnance image
This image of loading the M1 rifle is from a series of images taken in the late 1930s to introduce the Army’s new infantry weapon to the public. Image: NARA

Evidence points to some unfamiliarity with the M1 rifle’s en-bloc clip among U.S. Ordnance supply in the Philippines, and there were maddening instances of M1903 five-round stripper clips being sent to units in action with the M1 Garand. On some occasions, Garand riflemen were forced to search through the brush near their positions to find ejected clips to reload. I can only imagine the frustration of trying to reload an M1 clip in a foxhole, in the dark, while under fire — I’m not even fond of reloading them at my leisure in the comfort of my own home.

Yet, even with these challenges, captured Japanese reports spoke of the emperor’s troops great surprise at American infantry firepower, and the Japanese wondered how “every American soldier can be armed with a machine gun”. Once in combat, the M1 rifle proved to be a significant increase in firepower compared to Axis rifles, and that remained a constant throughout the war.

A High Volume of Firepower

I don’t often rapid-fire any of my M1 rifles at the range, but when I have it is plain to see that an experienced rifleman could easily trigger 50 to 60 rounds per minute. With loaded clips at the ready, reloading is fast, and the M1 will heat up in a hurry. A U.S. Army or Marine Corps platoon, blasting away with its full complement of M1 rifles, represented a fearsome amount of WWII firepower, even without supporting weapons like the BAR or the Browning .30 caliber machine guns.

us soldier with m1 blasts away in holland 1944
A paratrooper of the 101st Airborne Division empties his M1 rifle during the fighting in Holland in November 1944. Note the shell casing and the empty clip seen as they are ejected. Image: NARA

That is what U.S. Ordnance was looking for when they approved the Garand design, and that is what they got. If the M1 rifle’s en-bloc clip had truly been a hindrance, it would have manifested itself during the massive combat actions of WWII, but it never did. The Garand rifle continued to be effective through the Korean War, and into the 1960s, even after the U.S. military adopted the M14 rifle, and then the M16. Ultimately, it was an issue of weight and the use of an old ammunition type that prevented the M1 Garand from serving even longer.

Inevitably there comes the issue of “M1 Thumb”, an unfortunate by-product of using the rifle regularly, and becoming a bit too lax in your operation. Mr. Garand’s rifle will punish the unwary shooter that leaves a digit dangling for too long in front of its hard-slamming bolt when sending home a loaded en-bloc clip. In my opinion, it is a small price to pay for a rifle so reliable, and one so quickly reloaded. Even so, it is a rite of passage among all Garand shooters.

The Ejection Sound Myth

The sound of the M1 rifle’s empty clip ejecting is certainly quite distinctive. Anyone who has ever shot one knows that metallic ping. But this is a sound learned during focused target shooting on the range. The battlefield is a very noisy environment, and the ability to pick out and pinpoint the location of specific sounds is highly unlikely.

us marine loads m1 on cape gloucester 1944
A U.S. Marine loads his M1 rifle with an en-bloc clip during the Battle of Cape Gloucester. Image: NARA

Even so, the issue of the M1 Garand’s clip ejection sound made it all the way to Congress. The concern, likely based on rumor and G.I. legends, was that the enemy could hear the sound and would know that the American infantryman in question was out of ammunition — at least temporarily. Cooler heads prevailed when combat veterans mentioned that it would be almost impossible for an enemy to hear and distinguish the location of the sound, and even if he did there was no way for him to know if the American rifleman was without ammunition or was simply reloading. As previously describing, M1 reloading was fast, so if the overly confident German, Japanese or Italian soldier presented himself, he was more likely a target than a winner.

m1 sniper 25th infantry division in korea january 1951
At an unknown location in Korea, U.S. soldier in the 25th Infantry Division loads his M1 rifle during combat against Communist Chinese Forces in January 1951. Image: NARA

Some of the over-blown concern about the clip ejection sound came from supporters of the M1941 Johnson rifle. The Johnson used a 10-round rotary magazine which could be easily topped off with single rounds. Also, the M1941 rifle was two pounds lighter than the M1 Garand. Ultimately the Johnson rifle is a nice weapon, but it was never comparable to the Garand in terms of rugged reliability and combat effectiveness, and it was never adopted and was only used in small numbers by the USMC.

national match at camp perry with m1 garand
U.S.M.C. Sgt. Cody Cheney shoots the M1 Garand rifle during the Civilian Marksmanship Program National Matches at Camp Perry. Image: U.S.M.C./Sgt. Dana Beesley

Rumors often have a life of their own, and tales of the M1 rifle’s tell-tale ping lived on through the Korean War. More than a quarter of U.S. soldiers surveyed during 1952 believed that the ejecting clip sound would give away their position. Regardless, there were never any documented cases of this sound giving the enemy an advantage that led to the death of any U.S. soldier or Marine.


The M1 Garand’s performance and capabilities are beyond question. The rifle earned a reputation for its effectives in combat around the world, and the en-bloc clip system was an integral part of that design. I’d say that pretty much ensures that it also deserves our respect. Would you agree?

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Tom Laemlein

Tom Laemlein

Tom Laemlein is a historian. While that might sound mind-numbingly awful to some, he enjoys it. His deep dives into historical research keep him (mostly) out of trouble and, yet, too often away from the rifle range. Tom is the author of more than 30 books on military history and weapons systems. He regularly contributes articles to national magazines and websites on military history and firearms topics, and historical photos from his collection are used by publishers around the world. In those times that he is cornered in a corporate environment, he will talk about marketing until he is released. Tom is married to a very patient woman, and they live on America’s North Coast, near Lake Ontario. His regular misadventures with Wally, his young Tibetan Mastiff, remind him that life must be enjoyed full-bore, at least until you are ready for a nap.

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