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Browse 5.7x28mm Complete Uppers for sale at the lowest prices online.

Complete Uppers

Upper Receivers

CMMG Banshee 5.7x28mm Upper with 5" Barrel, Black - 57BBCF0AB - Cmmg

CMMG Banshee 5.7x28mm Upper with 5" Barrel, Black - 57BBCF0AB

$964.99 $695.99

CMMG Dissent 6.50" Upper 5.7x28mm with 1:9 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor Black - 57BA8AEAB - Cmmg

CMMG Dissent 6.50" Upper 5.7x28mm with 1:9 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Armor Black - 57BA8AEAB

$1,449.95 $982.96

CMMG Resolute 16.10" Upper 5.7x28mm with 1:9 Twist Rate and M-LOK Rail - Carbine-Length with BCG and CH - Armor Black - 57B40E4AB - Cmmg

CMMG Resolute 16.10" Upper 5.7x28mm with 1:9 Twist Rate and M-LOK Rail - Carbine-Length with BCG and CH - Armor Black - 57B40E4AB

$1,042.99 $750.99

Panzer AR57 16" ULT Upper Assembly 5.7x28mm w/ 50 rd Mag - ULT 0116 - Panzer Arms

Panzer AR57 16" ULT Upper Assembly 5.7x28mm w/ 50 rd Mag - ULT 0116

$909.99 $649.00

CMMG Banshee 8" Upper 5.7x28mm 1:9 M-LOK Carbine-Length, Black - Cmmg

CMMG Banshee 8" Upper 5.7x28mm 1:9 M-LOK Carbine-Length, Black

Panzer AR57 ULT Upper Assembly 5.7x28mm 12" - AR57ULT-12 - Panzer Arms

Panzer AR57 ULT Upper Assembly 5.7x28mm 12" - AR57ULT-12

$899.99 $645.00

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