Aero Precision M4E1, Rosco Manufacturing 11.5" Upper Receiver with Geissele Automatics MK16 10.5 HG

**This video is for documentation and our own edification here at New England Metal Jackets. This is in no way a "how to" video on assembly. It is to document our own journey**

This is a video is of us building an upper receiver how our customer wanted..
What we have is an Aero Precision M4E1 upper receiver that we also lapped
Rosco Manufacturing 11.5" 5.56 Nato barrel, Rosco Manufacturing Carbine length gas block
Superlative Arms Adjustable .750 Gas block
Geissele Automatics MK16 10.5" Mlok Handguard
Standard A2 Bird cage flash hider.

Tools Used:
Midwest Industries AR15 Upper Receiver Rod
Forward Control Designs Gas block bench jig
Wheeler Inc. Upper Receiver vice block
Wheeler Inc. Upper Receiver Lapping tool
SLR Rifle Works Gas Block Dimple Jig
Real Avid AR15 Hammer and Punch set
Universal Armorers Wrench (I forget the manufacturer to be honest)
Torque Wrench from Harbor Freight.

This video helps us showcase directly to the specific customer how their item was assembled, the processes involved to take a pile of parts and bring it to life as a working unit. This also helps us out by documenting what we do and enables us to get better as we grow.

Thanks for taking the time to read and watch our content.
We hope you enjoyed.

Feel free to contact us for any needs you may have in the firearms world!
Be Safe!

*All state and Federal Laws are followed*
*We are properly licensed**