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Aero Precision M4E1 Threaded Assembled Upper Receiver
As Low As $159.99 Save Up to 10%
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EsDee's Review of Aero Precision M4E1 Threaded Assembled Upper Receiver

A truly extra fine AR-15 upper receiver, however, do be aware that this one does not fit properly in the "standard A1/A2 M4 vice block.
You will either need to purchase a dedicated Aero Precision M4E1 vice-block or get out the Dremel and modify your old vice-block. A minor nuisance, but a most unexpected annoyance durned for sure!
Pros:
  • Overall quality, fit and finish.
Cons:
  • Does not seat in standard AR-15 vice-block tooling
Best Used for:
  • Use your imagination, you'll get there!
Would Recommend: Yes
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