AR Barrel Assemblies

The Adams Arms P2 model is a tactical, battle-ready model in the P-Series lineup. The P2 Upper inclu..

$957.98

Adams Arms' P1 is the introductory model to the P-Series. This model features an ergonomic, mid-leng..

$581.98

Aero's M5E1 Upper Receiver is a one-piece design combining the handguard mounting platform with the ..

$169.99

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware prein..

$132.98

The M5 .308 Stripped Upper Receiver is the ideal upper for your big bore rifle build. Forged from 70..

$116.98

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware prein..

$169.99

The M5 .308 Stripped Upper Receiver is the ideal upper for your big bore rifle build. Forged from 70..

$132.98

This item does not include the bolt carrier group or the charging handle.Availability Details: This ..

$605.98

This item does not include the bolt carrier group or the charging handle.Availability Details: This ..

$549.98

Aero's AR15 Enhanced Upper Complete Upper features an Aero Gen 2 Enhanced Handguard, quick disconnec..

$651.98

This item does not include the bolt carrier group or the charging handle.Availability Details: This ..

$574.98

This item does not include the bolt carrier group or the charging handle.Availability Details: This ..

$636.98

This item does not include the bolt carrier group or the charging handle.Availability Details: This ..

$584.98

Aero's AR15 Enhanced Upper Complete Upper features an Aero Gen 2 Enhanced Handguard, quick disconnec..

$651.98

The AR-15 stripped upper receiver is one of Aero's most popular products. Forged from 7075-T6, this..

$63.99