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Most Helpful Positive Review
Good,but it needs work.
Good,but it needs work.I love the idea to use a 5.56 mag.Throw in some new guts,and you are shooting 9mm. The problem that I have with it.The ejector is made of plastic like the rest of it.What it needs is a metal ejector.I have had problems with the ejector getting bent and hanging up on the bolt.T...
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Most Helpful Negative Review
This 9mm adapter does Not work
This is my 9 mm AR magazine adapter does not work as designed. The issue is the ejector finger on the follower. It gets easily bent out of shape and will not eject, Causing a double feed. The extractor is made out of a composite plastic which does not hold up very well to the impact of the bolt.
Mean arms 9mm
The 9mm ejectored endomag was in good packaging and detailed instructions. It is a little tight sliding into the magazine but was a good fit and when I used it the first time it jammed a few times. But after 50 to 75 rounds it worked fantastic no issues but just have a little patience and it’ll work out. I will be buying more great product.
Would recommend: Yes
feeding issues
I was having feeding issues with the fm9 upper not sure what’s the problem but I’m sure with other 9mm uppers it’ll work
Would recommend: Yes
Too Picky, you have to build around here.
Don't waste your time on these, you practically have to make your entite build around tyem. Everything has to be so specific to work with these and they don't hand JHP well at all. They're complete trash imo.
Would recommend: No
2 of 2 found the following review helpful.
Working great!
I got the three pack. Have worked flawlessly in my build. For reference I’m using a generic milspec upper. A ballistic advantage 11” EPC barrel and a faxon 9mm gen 2 Bolt. Put them in some old gen2 pmags I’ve had laying around for a decade.
Did a total of 300 rounds out of these mags. About 100 each. All three ran smooth without issue and ejection is really strong. I did had to shave a little material off the back of some old gen2 pmags. You’ll see if you use the faxon bolt or a similar one. It’s not much of a problem and the bolt itself will wear the feed lips on the mah down. The bolt slightly rubs on the back of one of the feed lips. You can sand paper or easier, just use a knife to just remove a very tiny amount of material for clearance and it works fine. Otherwise it gives the bolt a little resistance going into battery until it wears in or you remove a small amount of material.
Did a total of 300 rounds out of these mags. About 100 each. All three ran smooth without issue and ejection is really strong. I did had to shave a little material off the back of some old gen2 pmags. You’ll see if you use the faxon bolt or a similar one. It’s not much of a problem and the bolt itself will wear the feed lips on the mah down. The bolt slightly rubs on the back of one of the feed lips. You can sand paper or easier, just use a knife to just remove a very tiny amount of material for clearance and it works fine. Otherwise it gives the bolt a little resistance going into battery until it wears in or you remove a small amount of material.
Pros:
- Easy to install.
- converts a milspec lower to 9mm fast. no mag adapter insert into lower needed.
Cons:
- cost. total cost is around $45 per mag.
Best Used for:
- people who dont want a dedicated 9mm lower
- people who want to maintsin ifentical battery of arms and feel to their 5.56/.300blk carbine.
Would recommend: Yes
9MM Direct Blowback
Works great. Hope it will last long; however, it comes with a lifetime warranty.
Would recommend: Yes
Feeding issue
Constantly jams and double feeds. It's like it feeds at the wrong angle because it jams at like a 45 degree angle.
Would recommend: No
2 of 2 found the following review helpful.
Needed Break‑In Work to Feed Reliably
Out of the box, I ran into feeding issues with all three inserts. Mean Arms does mention that some material may need to be removed during break‑in, and that ended up being true in my case. After carefully removing a small amount of material, the magazines began feeding properly and have been reliable since. Just be aware that you may need to do a little fitting before everything runs smoothly.
Would recommend: Yes
3 of 3 found the following review helpful.
AR15 ,9 mm adapters mag
Product works great easy to install. Function is great. Magpul and Endomag have great products.
Would recommend: Yes
Jrar151979 penn
It's a great product work fine feed perfect and optic planet has them in stock
Would recommend: Yes
Works as advertised
Used these in a new ar9 build. Worked right out of the box. Much easier than dedicated Colt mags and no need for magwell insert. Definitely would recommend.
Would recommend: Yes
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