FREE With Any Order!
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Description
As a courtesy to our Aero Precision customers, this item is FREE with the purchase of any other item.
The Aero Precision M4E1 lower receiver takedown pin detent channel is threaded for a 4-40 set screw.
This is the set screw and the 0.050" Allen wrench for it.
Read more: M4E1 Takedown Detent Spring Set Screw Installation