Aero Precision M4E1 Enhanced Upper Receiver

**UWone77** · 11 June 2014, 19:05

Aero Precision released a picture of their 9" M4E1 Upper on a 10.5" Barrel.

**GOST** · 12 June 2014, 01:50

That upper is so tough it'll climb rocks.

**Calico Jack** · 12 June 2014, 17:29

I got really happy when I got my shipping notice from Aero only to realize when the box arrived that it was just the bolt and barrel. I just the couldn't keep that end of May first week of June shipping schedule.

**GOST** · 12 June 2014, 19:17

I hate it when you think you're getting your full order only to get part of it, makes my menstrual cycle start.

**Naytwan** · 12 June 2014, 19:59

I emailed Aero and this is what I got back.

We are still waiting to receive the 13” KeyMod handguards. We are expecting them next week and I have made sure your order will be one of the first to go out when we get those handguards. I apologize for the delay on this. If you need anything else, please let me know.

Thank you and have a great day!

I do appreciate the communication. They got back to me very quickly. I will definitely be buying more stuff from them in the future. Its cool though cause now I have more time to figure out what barrel I want :)

**KevinBLC** · 13 June 2014, 18:37

Originally Posted by Naytwan

I emailed Aero and this is what I got back.

I do appreciate the communication. They got back to me very quickly. I will definitely be buying more stuff from them in the future. Its cool though cause now I have more time to figure out what barrel I want :)

Nice, I'm looking at the 13 or 15" KeyMod handguards myself, perhaps I'll change my mind to MLOK. Please post pics when you get it. They look great in pictures, but I'm curious to see what people's first hand opinion on them are.

**Naytwan** · 13 June 2014, 23:37

Originally Posted by KevinBL

Nice, I'm looking at the 13 or 15" KeyMod handguards myself, perhaps I'll change my mind to MLOK. Please post pics when you get it. They look great in pictures, but I'm curious to see what people's first hand opinion on them are.

Will do. I plan on doing a review once I build the rifle. I went with one of the joe bob outfitters barrels, griffin brake and I am looking for a gas block. Im thinking of a parallax tactical adjustable gas block. Hopefully I should have the rifle completed minus optic in 2 weeks :) That of course depends on Aero.

**Naytwan** · 30 June 2014, 15:10

My upper came today. Very impressed. I'll do a review once I finish building it.

**GOST** · 30 June 2014, 17:25

Nice to hear, will be waiting on your review.

**Calico Jack** · 1 July 2014, 14:09

I am 90% done with my set up. I have to buy a bigger bench vise to torque the barrel nut down. Installing the pin block was teh scariest part since I do not have a drill press. I almost messed that up.

**Naytwan** · 1 July 2014, 19:23

Originally Posted by Calico Jack

I am 90% done with my set up. I have to buy a bigger bench vise to torque the barrel nut down. Installing the pin block was teh scariest part since I do not have a drill press. I almost messed that up.

I was nervous dimpling my barrel. I finished mine. I am rocking Daniel Defense Irons on it for now. I am going to wait for the new Primary Arms red dot to put on it and I still need my grip wrap so I can run featureless. I am behind enemy lines after all. It has a raddlock maglock till then. Sorry for the crappy cellphone pic. I plan to take it to the range tomorrow to get a baseline zero and make sure everything works. I'm going to also take it out this weekend to a longer range to finalize my zero and have some fun. I'll post a review thread in the user review forum once I do.

M4E1 by naytwan, on Flickr

**UWone77** · 2 July 2014, 08:49

Originally Posted by Naytwan

I was nervous dimpling my barrel. I finished mine. I am rocking Daniel Defense Irons on it for now. I am going to wait for the new Primary Arms red dot to put on it and I still need my grip wrap so I can run featureless. I am behind enemy lines after all. It has a raddlock maglock till then. Sorry for the crappy cellphone pic. I plan to take it to the range tomorrow to get a baseline zero and make sure everything works. I'm going to also take it out this weekend to a longer range to finalize my zero and have some fun. I'll post a review thread in the user review forum once I do.

M4E1 by naytwan, on Flickr

That's a good looking upper!

**Calico Jack** · 2 July 2014, 10:04

Here is my first and sadly only .223 build thanks to Maryland law

**UWone77** · 4 August 2014, 20:44

Nice overview from Recoil

http://www.recoilweb.com/video/aero-...SuO_vatw.email

**ennbee15** · 4 October 2014, 18:13

Good looking upper. I may have to pick one up for a new build.

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