Umarex Legends M3 Grease Gun .177 Caliber BB Gun Air Rifle

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1. Clyde cramer Verified Buyer – 5 March 2024

   I love it, it’s very fun to shoot and everyone else that has shot it agrees. Only problem I’ve had with it is that it will only puncture one cartridge, I’ve been putting a piece of tape in between the 2 cartridges and it fixed that. It’s definitely all metal and heavy but it’s great.
   

2. Hunter the horrible Verified Buyer – 15 April 2024

   Wow , beautiful reproduction very nice quality! Will be ordering again
   

3. Thomas P Lundy Verified Buyer – 15 July 2024

   Very realistic, good weight to it, & it shoots really well. Picked up a repro M1 carbine sling that fits it perfectly. I’ve purchased the Thompson & now the Grease Gun. Now just waiting for them to come out with a M14.
   

4. Chris G. Verified Buyer – 19 September 2024

   So I have had50 or more air guns in my life, and I can say that 80% of them are little more than plastic toys. They all break soon after you get them and they never deliver the promises made on the packaging. This air gun is different. I’ve had mine for about a year now, and yes, everything that everyone says that’s good about this gun, is good.
   PROs: metal throughout, it’s tough and feels real. Shoots straight (enough), biggest pro, is the CO2 feeder chamber is engineered perfectly. You can shoot co2 cartridge after CO2 cartridge and it won’t start leaking or just break like most guns. The clips hold way more rounds than they say they will.
   CONs: if you like to put lasers and scopes all over your guns, this gun is not for you. It’s got good iron sights but no rails to mount stuff. It’s expensive, but so far, it’s been worth every penny.
   

5. Sgoers Verified Buyer – 4 February 2025

   first things first, this gun wasn’t what i consider “new”. it came in a retail box with one of those formed cardboard pieces to hold it securely. the seal on the box had been cut and the side flap where the UPC code would be had been crudely removed, as in just ripped of, along with a strip of the box top. the gun itself doesn’t have any scratches or nicks but looked like it had been handled a lot. there was lubrication in a couple areas that made me think it had either never been shot or was a refurbished unit. i guess that’s acceptable if everything works as it should, but i would rather have not paid full price for it.

   now the good. the gun looks like the real thing and feels like the real thing. it is quite heavy and the all metal build quality is great. it seems to shoot like it should. it cycles much slower than my Steel Storm did, more of a true machine-gun ratatatatat instead of the brrrrrt!

   i’m going to be watching closely for any malfunctions or performance degradation and will update this review if i end up having to return it. this is based solely off my feeling that this wasn’t brand new from the factory.
   

6. Uncle James Verified Buyer – 6 February 2025

   Runs great, item shipped in the carton from manufacturer, should have had some packing tape on the flaps, otherwise it could open up in transit from US Post Office facility. Updated: You can 3D print a speed loader to make it super easy to load the 60 BB’s into the magazine. The item to search for is Umarex MP-40 on Thingiverse.

   

7. chad haring Verified Buyer – 21 February 2025

   Product arrived damaged. The damage was exterior, didn’t affect performance.

   

8. BobOnit22 Verified Buyer – 8 April 2025

   This is my favorite BB gun that I’ve ever had. Everybody I first show it to and let hold it thinks that it’s real. The weight and feel of it are right on of a real piece. It’s so fun to shoot. But make sure you get the umarex CO2 cartridges and don’t try to use crosman or any others because they do not work as well. It takes two tanks at one time and with the crosman I was only having one tank be punctured at a time and it wasn’t performing well at all. Got the umerax tanks and it works great
   

9. Barry C. Verified Buyer – 10 April 2025

   Easy to load bbs in the magazine, Co2 cartridges are easy to put in shoots soda can accurate out to 20 yards ran 3 full mags through it with 2 co2 cartridges no misfires or jams shoots well in full and semi very fun to shoot not too loud
   Seem well made heavy like the original.
   If you are ww2 fan you need one of these
   

10. Ibuy2muchonline Verified Buyer – 4 June 2025

    Ok, as others have said, it looks like the original and is cool to shoot. I take issue with a couple of misleading items in the manual. When loading the CO2 cartridges, it says to tighten the allen screw until you hear the CO2 flow. I have two magazines; I could not hear a sound when they pierced. There is the tendency to try to continue tightening beyond what is necessary. The second point that I did not think was made clear, you must load bb’s for the bolt to cycle. The bolt locks back when the magazine is out of bb’s, so you can’t run out any leftover CO2 after the mag is empty. (And trust me, you want to empty the CO2 before you remove the allen screw). Anyway, the bb gun itself is really cool.
    Edit: You can cycle the action without bb’s if you lock the magazine follower down. You may have to hold the follower down as the action can jar it out of the notch and stop the bolt. This way you can empty the last of the CO2 without risking a stuck bb in the barrel.
    Another thing to watch out for; do not insert the magazine with the bolt all the way forward. If you do, the “firing pin” will project into the magazine well and you can tear the rear seal on the magazine.