FIND IT HERE! https://doublemdefense.com/product/seekins-billet-mag-release-fde/ 

Factory New.

UPC: 811452029040
SKU: 811452029040

Item Description:

The Seekins Precision drop in billet magazine upgrade is the perfect addition to your Mil-Spec AR-15 lower receiver. This inexpensive upgrade is easy to install and provides you with a positive diamond texture face with a blind thread hole. The magazine release is CNC machined from 6061-T6 Aluminum and comes in a variety of finishes.

Specifications and Features:
Seekins Precision Billet Magazine Release 0011510007
CNC Machined from 6061-T6 Aluminum
Easy to manipulate
Diamond Texture face
Blind Thread hole
Flat Dark Earth

Item Specifications:

Finish Flat Dark Earth
Material 6061-T6 Aluminum
Compatible With AR-10, LR-308
Country of Origin United States of America
Compatible With
AR-10, LR-308