AR-15 Upper Receiver Parts

Aero Precision .750 Low Profile Gas Block

Out of Stock

Aero's Low Profile Gas Block is constructed from 4150 hardened steel with steel set screws which are 10-32 x 3/16 knurled cup point. This model is compatible with .750 outer diameter barrels and has a black finish with phosphate coating. NOTE: A...

Aero Precision AR-15 Bolt Carrier 223 Remington/5.56 NATO

$185.89 $171.29
Out of Stock

This Nickel Boron bolt carrier is an eye catching addition to your AR build. It features Mil-spec dimensions and coating, is made of steel, with a shrouded firing pin, Mil-Spec extractor spring, black extractor insert, Viton O-ring, and a tool steel...

Aero Precision AR-15 Bolt Carrier 5.56mm

$138.99 $130.59
Available Online

This bolt carrier is a valuable addition to your AR15 build. It features a Mil-Spec phosphate coating, properly staked gas key with a chrome lined gas key and firing pin channel, a black o-ring insert on the extractor, and is made of steel.Category :...

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Aero Precision AR-15 Upper, Stripped, Black GEN2

Available Online

The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR15 barrel nut and forged from 7075-T6 aluminum and precision machined to work...

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Aero Precision M5 308 Winchester/7.62 NATO Brl Finish, FDE

$154.49 $142.79
Available Online In Limited Quantities

The M5 .308 Stripped Upper Receiver is the ideal upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. It featurs M4 Feedramps, .2795 takedown pin holes (DPMS...

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Anderson AR15-A3 Stripped Upper Receiver

$50.99 $46.59
Out of Stock

The AM-15 Stripped Upper Receiver is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. This upper receiver...