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Ar-15/M16 Base Piston Upper Receivers - Gas Piston Upper Receiver, Midlength

Ar-15/M16 Base Piston Upper Receivers - Gas Piston Upper Receiver, Midlength

Complete Base upper receiver assembly comes ready to install on mil-spec lower receiver to produce a reliable, positive-cycling gas piston gun. Adams Arms proven piston system doesn t vent hot gases and burned powder into the bolt carrier and...

$731.66

Free shipping

at Brownells

Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 Gas Piston Upper Receiver Mid-Length

Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 Gas Piston Upper Receiver Mid-Length

The 5.45x39 Carbine Base 16" Upper comes complete and ready to go onto any mil-spec AR 15 lower. This upper is built with the Adams Arms proprietary piston system. The piston system parts and the barrel have been treated with our salt nitride... ... more

Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 Gas Piston Upper Receiver Mid-Length

The 5.45x39 Carbine Base 16" Upper comes complete and ready to go onto any mil-spec AR 15 lower. This upper is built with the Adams Arms proprietary piston system. The piston system parts and the barrel have been treated with our salt nitride...

Brownells

$770.85

FREE shipping

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Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 5.45x39 Gas Piston Upper Receiver Carbine

Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 5.45x39 Gas Piston Upper Receiver Carbine

The 5.45x39 Carbine Base 16" Upper comes complete and ready to go onto any mil-spec AR 15 lower. This upper is built with the Adams Arms proprietary piston system. The piston system parts and the barrel have been treated with our salt nitride... ... more

Ar-15/M16 5.45x39 Upper Receivers - Ar15/M16 5.45x39 Gas Piston Upper Receiver Carbine

The 5.45x39 Carbine Base 16" Upper comes complete and ready to go onto any mil-spec AR 15 lower. This upper is built with the Adams Arms proprietary piston system. The piston system parts and the barrel have been treated with our salt nitride...

Brownells

$762.50

FREE shipping

go to store
"Adams Arms Upper Receiver .223 Rem 16"" Black .223 Rem Rifle Flat Top"

"Adams Arms Upper Receiver .223 Rem 16"" Black .223 Rem Rifle Flat Top"

"Adams Arms Upper .223 Rem 16"" Black Samson 10"" Extended Free Float Rail 1:7 Chrome Lined A2 Gas Piston .223 Rem Rifle Flat Top" ... more

"Adams Arms Upper Receiver .223 Rem 16"" Black .223 Rem Rifle Flat Top"

"Adams Arms Upper .223 Rem 16"" Black Samson 10"" Extended Free Float Rail 1:7 Chrome Lined A2 Gas Piston .223 Rem Rifle Flat Top"

eCop! Police Supply

$942.18

FREE shipping

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"Adams Arms Evolution Ultra Lite Mid-Length Upper Receiver .223 Rem Rifle 16"" Flat Top"

"Adams Arms Evolution Ultra Lite Mid-Length Upper Receiver .223 Rem Rifle 16"" Flat Top"

"Adams Arms Evolution Ultra Lite Mid-Length Upper .223 Rem 16"" Black Samson 10"" Extended Free Float Rail 1:7 Chrome Lined Gas Piston .223 Rem Rifle Flat Top" ... more

"Adams Arms Evolution Ultra Lite Mid-Length Upper Receiver .223 Rem Rifle 16"" Flat Top"

"Adams Arms Evolution Ultra Lite Mid-Length Upper .223 Rem 16"" Black Samson 10"" Extended Free Float Rail 1:7 Chrome Lined Gas Piston .223 Rem Rifle Flat Top"

eCop! Police Supply

$914.96

FREE shipping

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