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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 Baseupper 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 receiver,...

at Brownells

Adams Arms Ar-15/M16 5.56 16" Basic Piston Upper Receivers - Gas Piston Upper Receiver, Carbine

Adams Arms Ar-15/M16 5.56 16" Basic Piston Upper Receivers - Gas Piston Upper Receiver, Carbine

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... ... more

Adams Arms Ar-15/M16 5.56 16" Basic Piston Upper Receivers - Gas Piston Upper Receiver, Carbine

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...

Brownells

$529.99

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Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tac Evo Mid-Len

Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tac Evo Mid-Len

Chambered in 5.56mm NATO, this economical, high performance upper assembly fits any standard Mil-Spec AR-15 lower. Forged from 6061 T6 aluminum, receiver features M4 feed ramps and an A4 flattop rail. The mid-length piston system offers a longer... ... more

Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tac Evo Mid-Len

Chambered in 5.56mm NATO, this economical, high performance upper assembly fits any standard Mil-Spec AR-15 lower. Forged from 6061 T6 aluminum, receiver features M4 feed ramps and an A4 flattop rail. The mid-length piston system offers a longer...

Brownells

$719.99

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Adams Arms VDI Lifecoat AR-15 Mid-Length Gas Tube FGAV-10119

Adams Arms VDI Lifecoat AR-15 Mid-Length Gas Tube FGAV-10119

VooDoo Gas TubeVDI gas tubes are compatible with mil-spec and non mil-spec upper receivers. This gas tube is machined to exceed all MIL TDP specifications and is enhanced using a proprietary LifeCoat treatment. This is a process that offers... ... more

Adams Arms VDI Lifecoat AR-15 Mid-Length Gas Tube FGAV-10119

VooDoo Gas TubeVDI gas tubes are compatible with mil-spec and non mil-spec upper receivers. This gas tube is machined to exceed all MIL TDP specifications and is enhanced using a proprietary LifeCoat treatment. This is a process that offers...

$21.66

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Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tactical Evo Ca

Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tactical Evo Ca

Chambered in 5.56mm NATO, this economical, high performance upper assembly fits any standard Mil-Spec AR-15 lower. Forged from 6061 T6 aluminum, receiver features M4 feed ramps and an A4 flattop rail. The mid-length piston system offers a longer... ... more

Adams Arms Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tactical Evo Ca

Chambered in 5.56mm NATO, this economical, high performance upper assembly fits any standard Mil-Spec AR-15 lower. Forged from 6061 T6 aluminum, receiver features M4 feed ramps and an A4 flattop rail. The mid-length piston system offers a longer...

Brownells

$699.99

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Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling... ... more

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling...

Brownells

$389.99

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Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper... ... more

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Pistol Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper...

Brownells

$355.13

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Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Rifle Black

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Rifle Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper... ... more

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Rifle Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper...

Brownells

$352.86

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Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Carbine Black

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Carbine Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper... ... more

Adams Arms Ar-15 Gas Piston Conversion Kit - Ar-15 Gas Piston Conversion Kit Carbine Black

Adams Arms XLP Piston Kits build off the very popular Adams Arms standard piston kits by including the new XLP multi-adjustable low profile gas block and low mass bolt carrier. This short stroke free floating piston system includes the gas plug, upper...

Brownells

$323.61

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