[gm]

AR 57 5.7x28 6" Upper
https://www.hkspecialiststore.com/product-detail?productId=323&categoryId=14&sortBy=sequence

FN 50 NIB Round Mags
https://www.hkspecialiststore.com/product-detail?productId=230&categoryId=14&sortBy=sequence

FN AR57 Full Auto Bolt
https://www.hkspecialiststore.com/product-detail?productId=347&categoryId=14&sortBy=sequence

FNH SCAR 17S 13" NEW Barrel ASSY
https://www.hkspecialiststore.com/product-detail?productId=704&categoryId=14&sortBy=sequence

GEISSELE AUTOMATICS Super SCAR Trigger
https://www.hkspecialiststore.com/product-detail?productId=1063&categoryId=14&sortBy=sequence

AR57 Upper Receiver Assembly 12"
https://www.hkspecialiststore.com/product-detail?productId=1068&categoryId=14&sortBy=sequence

Gemtech Suppressed Bolt Carrier 5.56mm NATO Drop In Replacement
https://www.hkspecialiststore.com/product-detail?productId=1343&categoryId=14&sortBy=sequence