Panzer AR57 16" 5.7x28mm ULT Upper With Two 50rd Magazines

CMMG Resolute 5.7x28mm 16.1in Armor Black Complete Upper Group For AR-15 (57B40E4-AB)

CMMG Dissent 5.7x28mm 6.5in Armor Black Complete Upper Group For AR-15 (57BA8AE-AB)

CMMG Banshee, Upper Receiver, 5.7X28MM, 5" Barrel, Cerakote Finish, Armor Black 57BBCF0-AB

CMMG Magazine, 5.7X28MM, 32 Rounds, Fits CMMG MK4/AR15, Matte Finish, Black 54AFCC8

CMMG Magazine, 5.7X28MM, 10 Rounds, Fits CMMG MK4/AR15, Matte Finish, Black 54AFC44

Juggernaut CA Roster AR-15 Handgun 5.56 10rd Magazine 8.5" Barrel Cerakote Burnt Bronze

Bushmaster AR-15 Complete Upper Minimalist SD 556 Nato AR15 16" 90025