Receiver PartsAnderson ManufacturingSold by Brownells

Anderson Manufacturing

Ar-15 Stripped Lower Receiver

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

Stripped, Semi-auto

AR-15 lower receiver for custom

Made From

7075 T6 aluminum forging for

Mil-spec Hard

Anodized finish adds strength to

Precision-machined Drop-in

Installation of Mil-Spec aftermarket components

Fits Standard

AR-15 components

$49.99
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SKU: 100016811

Overview

Built for shooters assembling a custom AR-15, this stripped semi-auto lower receiver provides a solid starting point for a mission-specific rifle or carbine. It is made from 7075 T6 aluminum forging and finished with a Mil-Spec hard anodized coating, with precision machining intended to support drop-in installation of Mil-Spec aftermarket components. The receiver fits standard AR-15 parts and is marked “MULTI CAL,” making it a practical choice for a build centered on compatibility and straightforward assembly.

Why Hunters Choose the Anderson Manufacturing

Stripped, Semi-auto

Lower supports a fully custom

7075 T6

Aluminum forging provides a strong

Mil-spec Hard

Anodized finish adds extra strength

Precision-machined Drop-in

Installation of Mil-Spec aftermarket components

Fits Standard

AR-15 components for straightforward parts

Key Features

  • Stripped, semi-auto AR-15 lower receiver for custom rifle or carbine builds.
  • Made from 7075 T6 aluminum forging for a durable receiver foundation.
  • Mil-Spec hard anodized finish adds strength to the receiver walls.
  • Precision-machined for drop-in installation of Mil-Spec aftermarket components.
  • Fits standard AR-15 components.
  • Receiver is identified as "MULTI CAL".

Best Used For

  • For builders assembling a mission-specific AR-15 rifle or carbine from standard components
  • For hunters wanting a stripped lower receiver for a custom, semi-auto AR-15 setup
  • For users planning a Mil-Spec parts build with drop-in aftermarket compatibility
  • For those seeking a precision-machined receiver identified as MULTI CAL

Specifications

Blade FinishMil-Spec, hard anodized finish
Component CompatibilityMil-Spec, aftermarket components
FitsStandard AR-15 components
MachiningPrecision-machined
Material7075 T6 aluminum forging
Receiver IdentificationMULTI CAL
TypeStripped, semi-auto, lower receiver

Pros

  • Stripped, semi-auto lower supports a fully custom AR-15 build.
  • 7075 T6 aluminum forging provides a strong receiver foundation.
  • Mil-Spec hard anodized finish adds extra strength to receiver walls.
  • Precision-machined for drop-in installation of Mil-Spec aftermarket components.
  • Fits standard AR-15 components for straightforward parts compatibility.
  • Receiver is identified as "MULTI CAL" for flexible configuration.

Considerations & Trade-offs

  • This is a stripped lower receiver, so it requires additional Mil-Spec components and assembly before it can function as a complete rifle or carbine.
  • It is specified for standard AR-15 components, which may limit compatibility with non-standard or proprietary parts.
  • The receiver is identified as "MULTI CAL," so caliber selection depends on the completed build rather than the receiver alone.
  • The hard anodized finish adds durability, but it does not eliminate the need for normal care and handling in rugged use.

Suggested Comparisons

  • AR-15 complete lower receiver
  • AR-15 upper receiver
  • AR-15 lower parts kit
  • AR-15 rifle or carbine build components

Suggested Accessories

  • AR-15 lower parts kit
  • AR-15 upper receiver assembly
  • AR-15 magazine
  • AR-15 buffer tube assembly

Frequently Asked Questions

What type of receiver is this product?

This is a stripped, semi-auto lower receiver for an AR-15 build.

What components does it fit?

The listed specification says it fits standard AR-15 components.

Is this receiver ready to build with standard parts?

The description says it is precision-machined to ensure drop-in installation of Mil-Spec, aftermarket components.

What material and finish are listed for the receiver?

The source data lists a 7075 T6 aluminum forging with a Mil-Spec, hard anodized finish.

What does the receiver marking say?

The receiver is identified as "MULTI CAL".