Receiver PartsAnderson ManufacturingSold by Brownells

Anderson Manufacturing

Ar-15 Upper Receiver Assembly 300blk No Bcg

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Complete Upper

Receiver assembly for AR-15 builds

16-inch M4

1:8 twist rate

7075 T6

Type 3 hard anodized black

Carbine-length Gas

.125 gas port

Includes A2

Hand guard and 308 A2

$296.49
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SKU: 100023487

Overview

Built for shooters who want a straightforward way to set up an AR-15 for 300 Blackout, this complete upper offers a practical path for a new build or a caliber change. It features a 16" M4 barrel, a 1-8 twist rate, a carbine-length gas system with a .125 gas port, and a Type 3 hard anodized black finish. The 7075 T6 forged upper receiver, A2 hand guard, and 308 A2 flash hider provide a familiar, no-frills configuration. It is supplied without a bolt carrier group or charging handle, giving you the flexibility to choose those components separately.

Why Hunters Choose the Anderson Manufacturing

Complete Upper

Receiver for building or converting

16-inch M4

1:8 rate of twist

7075 T6

Forged upper receiver construction

Includes A2

Hand guard and A2 flash

Comes Without

Bolt carrier group or charging

Key Features

  • Complete upper receiver assembly for AR-15 builds chambered in 300 Blackout
  • 16-inch M4 barrel with 1:8 twist rate
  • 7075 T6 forged upper receiver with Type 3 hard anodized black finish
  • Carbine-length gas system with .125 gas port
  • Includes A2 hand guard and 308 A2 flash hider
  • Sold without bolt carrier group or charging handle

Best Used For

  • For AR-15 owners converting an existing rifle to 300 Blackout.
  • For builders wanting a complete upper without a bolt carrier group or charging handle.
  • For hunters and range users seeking a 16-inch 300 Blackout upper receiver assembly.
  • For users who prefer a carbine-length gas system and A2 hand guard setup.

Pros

  • Complete upper receiver for building or converting an AR-15 to 300 Blackout
  • 16-inch M4 barrel with 1:8 rate of twist
  • 7075 T6 forged upper receiver construction
  • Includes A2 hand guard and A2 flash hider
  • Comes without bolt carrier group or charging handle for component selection

Considerations & Trade-offs

  • Does not include a bolt carrier group or charging handle, so those components must be selected separately.
  • Configured as a 16" upper, which may not suit buyers looking for a shorter or more compact setup.
  • Uses an A2 hand guard, so it may not match builds that require a different handguard style or accessory layout.
  • Intended for 300 Blackout use, so it is a caliber-specific upper rather than a general-purpose option.

Suggested Comparisons

  • AR-15 complete upper receivers
  • 300 Blackout upper assemblies
  • AR-15 barrel assemblies
  • AR-15 handguard and upper receiver kits

Suggested Accessories

  • Bolt carrier group
  • Charging handle
  • Magazine
  • Upper receiver vise block

Frequently Asked Questions

What is included with this upper receiver assembly?

The product is a complete upper receiver assembly for 300 Blackout and includes a 16" M4 barrel, a 7075 T6 forged upper receiver, an A2 hand guard, and an A2 flash hider. It is sold without a bolt carrier group or charging handle.

Does this upper come with a bolt carrier group and charging handle?

No. The description states that it comes without a bolt carrier group or charging handle.

What caliber is this upper designed for?

It is designed for .300 Blackout / 300 Blackout.

What barrel and gas system details are provided?

The listed barrel is 16" with a 1-8 rate of twist. The long description also states that it uses a carbine-length gas system with a .125 gas port.

What finish and muzzle threading are listed?

The barrel is described with a Type 3 hard anodized black finish. The long description also lists 5/8-24 threads and an A2 flash hider.