MCX Barrel Support Insert (5.56 NATO / 300 BLK - Legacy Gen1 / Flat Lug)
https://mod.dev/shop/aa-22-1002-mcx-barrel-support-insert-5-56-nato-300-blk-legacy-gen1-flat-lug-18
https://mod.dev/web/image/product.template/18/image_1920?unique=85c5f7a
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Internal Reference:
AA-22-1002
Barcode:
659465044694