This is what 2A Armament says :

 

 

The 2A Armament™ AR-15 Steel takedown pin set features the same classic through drilled design as our popular Titanium takedown pins but with a black oxide finish to accommodate for personal preference. These pins are made from U.S.A. sourced 4140 steel and weigh in at 0.38 oz total for both pins combined. The 2A Armament takedown pins are aesthetically pleasing on both our BALIOS and BALIOS-LITE line of receiver sets, as well as other vendors product.

Features:

    "Mil-Spec" .250 size
    Made from U.S.A. Certified 4140 Steel
    Weight: 0.38 oz combined
    Through drilled for weight reduction
    Pocketed design
    Black Oxide Finish
    Product of the great state of Idaho, MADE IN THE U.S.A.
    SKU (2A-TDP-STL)

 

AR-15 Steel Takedown Pins

SKU: 2A-TDP-STL
$27.00 Regular Price
$25.65Sale Price

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