












Legends M1A1 .177 Full Auto Blowback CO2 BB Gun
$229.99
$249.99
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90-day limited warranty
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Description
Famous for its time in military use, and infamous for its use by gangsters during the prohibition era, the M1A1 has a storied history in the United States. Commonly referred to as a "Tommy gun" and "Chicago Typewriter", the real steel version saw U.S. Military service from 1938-1971. The .177 caliber steel BB version features the same iconic looks and functionality as the firearm.
A 30 round stick magazine houses two 12 gram CO2 cartridges that provide enough power to sling steel BBs at up to 435 fps, as well as give an enjoyable recoil impulse thanks to the blowback action. The rifle can be operated in semi-auto or full-auto, sending a full magazine of BBs downrange in a matter of a few seconds.
Well known for producing some of the most enjoyable replica airguns on the market, Umarex brings yet another historically significant firearm to life in airgun form! Era correct faux wood furniture, sights, and sling mounts make the M1A1 a replica that even the most avid collectors will be impressed by!
Umarex Legends M1A1 .177 Full Auto Blowback CO2 BB Gun
- Semi-Auto and Full Auto fire capability
- 30 Round Magazine
- Drop free high capacity magazine
- 2 CO2 cartridges housed in the magazine
- Full metal frame
- Faux-wood polymer stock
- Open bolt blowback action
- Front and rear sling mounts
- Fixed front and rear sights
- Up to 435 fps
Specifications
Ballistic & Conversion Calcs

The Umarex Legends M1A1 represents the pinnacle of historical BB gun replicas, combining authentic Thompson design with modern engineering excellence. This highly detailed reproduction delivers consistent 435 fps performance and surprising accuracy, maintaining tight 2-inch groups at 12 yards in semi-auto mode.
Built by industry leader Umarex, a leading manufacturer of faithful replica air guns, this rifle offers shooters up to 240 shots per CO2 set while maintaining exceptional shot-to-shot consistency. The robust blowback action, authentic controls, and superior build quality create an unmatched shooting experience that satisfies collectors and recreational shooters. Whether for target practice or historical appreciation, this M1A1 stands as a testament to precision engineering and authenticity.


Experience the legendary Tommy Gun with the Legends M1A1 .177 BB Gun, featuring authentic full-auto blowback action that sends BBs downrange at 435 fps. Jump between semi- and full-auto modes with the flip of a switch and let the fun begin.

This meticulously crafted Thompson replica captures every detail of the legendary Tommy Gun, from its all-metal construction to authentic controls and sights. At 7.75 lbs, it delivers an incredibly realistic handling experience.

Experience authentic Thompson handling with robust blowback action that delivers genuine shoulder recoil and barrel raise. Powered by dual CO2 cartridges, this replica cycles smoothly in semi- and full-auto modes.

Experience the legendary Thompson submachine gun in two impressive variants. The M1A1 Kit includes extra magazines, CO2 cartridges, and 1500 steel BBs for extended shooting sessions. This metal BB variant is perfect for shooting paper targets, cans, or plinking in your backyard. If you want the fun to start right away, consider picking up this metal BB kit.
For airsoft enthusiasts, the M1A1 AEG airsoft version offers high-performance electric operation, achieving 466 fps with .12g plastic BBs. Its full-metal body and reinforced steel gearbox provide durability, while the simulated wood grain finish maintains historical authenticity. Both versions feature realistic weight at 7 lbs and include adjustable sights for accurate target engagement.
Overall Rating
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10 of 77 Legends M1A1 Full-Auto Reviews
Authentic look and feel.
Things I Would Have Changedmaybe, less weight.
Accuracy/fire rate/looks/feel
Things I Would Have ChangedThe last round/bolt hold-open.
What Others Should KnowWhat an amazing bb blaster. The fire rate on the Thompson is ridiculously fast/awesome! I'm able to hit dead center on beer cans at close to medium range and it hits surprisingly close to p.o.a. without adjustable sights. I have put thousands upon thousands of bbs through mine, and the only malfunction has been the bolt stop lever's resting point on the slide. The slide is soft pot metal and I wish there was a reinforced steel piece where the lever rested upon firing the last round. For as much fun as this crazy plinker has brought me, I'm not going to sweat it. I removed the lever and I just keep count of my shots/bursts as to not wase co2 on dry firing. Absolutely love it 3 years later.
LOTS OF FUN!! The full auto switch is the FUN switch! Very realistic looks and action. Even the plastic stock is almost as nice as real wood. You can't tell the stock is plastic until you tap on it. I think the stock is a better rendition than the stock on the Ledgends Cowboy Rifle. The M1A1 is much more accurate than I was expecting. The trigger is a little stiff but if you shoot full auto, I don't think it matters. I found a replica sling and magazine pouch on ebay and these items compliment the rifle and make it even more like WW2 weapon.
Things I Would Have ChangedI thought I wanted a wood stock but I am perfectly happy with the stock it came with, so nothing.
What Others Should KnowIf you use Crosman CO2 cartridges, you might need a spacer between them so both are pireced. I use a penny. Sometimes I put one full CO2 cartridge in and one empty one for shorter shooting sessions. Stock up on CO2 and BBs you go through them fast.
they call this bb gun the type writer for a reason!! this fun is very accurate i’d recommend usuing the Hornady.177 black steel bbs they work %100 great with the tommy gun i can write all day long on how awesome this bb gun is i highly recommend getting this gun!!! shoots very accurate in full auto mode you can see the bbs following each other straight as can be never seen one bb go off out the line of others!! if i could give this bb gun 10 star i would
Things I Would Have Changednothing at all i wish they would make the drum mag for this bb gun maybe they will in the future if so i’ll be buying it in a heart beat!!!!
What Others Should Knowhave a bunch of CO2 and BB’s ready cause you’ll be shooting this thing all day
Love the look and feel
Things I Would Have ChangedNothing
What Others Should KnowBuy a lot of bbs bc it runs through them
I own multiple automatic bb guns.crosman, umarex. This is my favorite.
Things I Would Have ChangedAdded aged leather strap. Drum magazine option would be fun.
What Others Should KnowGet ready for a good time.
I really liked the "authentic look and weight".
Things I Would Have ChangedTh e magazine was a pain to load until I made a little "tool" .
What Others Should KnowWhat everyone should know is that this gun is really just a piece of overpriced JUNK by Umarex. Umarex customer reps are very rude and unhelpful. It is my theory that this gun produces so much "torque" on full auto that it will literally bend the inner barrel, (which is just a cheap aluminum tube). The aluminum inner barrel is only supported by the breech seal and a small plastic carrier grommet at the end of the barrel, the rest is just "hanging in the air inside the outer barrel". I am in the process of repairing my Thompson. First, I had to straighten my inner barrel. Then I put rubber support grommets all along the barrel inside the outer barrel, then I filled all of the "open space" with FlexSeal. I haven't finished it yet, but I know that when I fire it on semi or full auto the inner barrel is not going to move or bend. I have been trying for quite a long time to get an inner barrel made out of stainless steel. That would solve a lot of problems. Very inaccurate ! Barrel moveme
Very accurate insofar as details. Beautiful recreation. Fun to shoot
Things I Would Have ChangedLoading mags is a pain. They should have a stop similar to the ones used on the M1 Carbine.
This gun looks and feels like the real one . It handles well and shoots accurately. Nice piece for my collection All is good !
Things I Would Have ChangedI have short arms and therefore my reach is not as I would like. Meaning that the shoulder stock is a bit long but I can ask. to that .
What Others Should KnowIt reached my expectations and very
happy with the performance
it could if possible, hold a bit more BBs
LOL
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Sep 06, 2024
By Judith
The smile on my dad's face when he got this Birthday present.
Things I Would Have ChangedNothing!
What Others Should KnowShopping at Pyramyd the the best for all air gun supplies. Fast and easy and speedy shipping.