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Buck M. asked 2 years ago:
They are metal. It states that the material is 8620 Steel.
Randall A.
2 years ago
Hi Buck, they are metal. The Safety Detent Pin and the Takedown/Pivot Pin Detents are made of yellow zinc. More details and specs here >>> https://risearmament.com/product/ar-15-lower-parts-kit/ Stay safe & have a great day!
Ed C.
2 years ago
metal.
Randy I.
2 years ago
Hi Buck and welcome. They are metal, Zinc Alloy to be specific. Cheers, stay safe and enjoy!
James G.
2 years ago
