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Advanced Technology

Ar-15 Pistol Buffer Tube Assembly Package

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

Ar-15 Pistol

Buffer tube assembly package from

Constructed From

Military Type III anodized, 6061

Mil-spec Tube

Specified manufacturer ranges, including Sig

Includes Vynafoam

Padded tube cap, steel castle

Includes Ar-15

Recoil plug and buffer spring

$59.99
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SKU: 100035869

Overview

This buffer tube assembly package is built for AR-15 pistol setups that require a mil-spec tube diameter and compatible fit for braces such as the Sig Brace. It includes the tube, Vynafoam padded tube cap, steel castle nut and locking ring, plus the AR-15 recoil plug and buffer spring, giving you the core components needed for assembly. The 6061 T6 aluminum construction with Military Type III anodizing and military diameter threads are specified for a secure receiver fit. For hunters and shooters setting up a pistol-format AR-15, it offers a straightforward, parts-complete option backed by a limited lifetime warranty.

Why Hunters Choose the Advanced Technology

Mil-spec Tube

Specified brace applications

Constructed From

Military Type III anodized 6061

Includes Steel

Military-grade E-coated castle nut and

Supplied Ar-15

AR-15 recoil plug and buffer

Vynafoam Padded

Tube cap adds included cushioning

Key Features

  • AR-15 pistol buffer tube assembly package from Advanced Technology.
  • Constructed from military Type III anodized, 6061 T6 aluminum.
  • Mil-spec tube diameter for proper fit with specified manufacturer ranges, including Sig Brace.
  • Includes Vynafoam padded tube cap, steel castle nut, and locking ring.
  • Includes AR-15 recoil plug and buffer spring.
  • Made in the USA and backed by a limited lifetime warranty.

Best Used For

  • AR-15 pistol builders needing a mil-spec tube diameter for brace compatibility and proper receiver fit.
  • Shooters assembling a complete buffer tube package with included recoil plug and buffer spring.
  • Users wanting a padded tube cap for a more comfortable pistol setup.
  • Builders who prefer a package including castle nut and locking ring for installation convenience.
  • Hunters and range users seeking a compact AR-15 pistol configuration from a USA-made assembly.

Specifications

Blade FinishMilitary Type III Anodized
Buffer SpringIncluded
Castle NutSteel Military Grade E-Coated Castle Nut
Country Of OriginMade In The USA
Locking RingIncluded
Material6061 T6 Aluminum
Recoil PlugIncluded
Thread TypeMilitary Diameter Threads
Tube CapVynafoam Padded Tube Cap
Tube DiameterMil-Spec
WarrantyLimited Lifetime Warranty

Pros

  • Mil-spec tube diameter supports proper fit with specified brace applications.
  • Constructed from military Type III anodized 6061 T6 aluminum.
  • Includes steel military-grade E-coated castle nut and locking ring.
  • Supplied with AR-15 recoil plug and buffer spring.
  • Vynafoam padded tube cap adds included cushioning at the end.
  • Made in the USA by Advanced Technology.

Considerations & Trade-offs

  • Designed for AR-15 pistol setups, so it is not a universal buffer tube solution for every rifle or brace configuration.
  • The mil-spec tube diameter is described as fitting a specified manufacturer range for the Sig Brace and similar options, so compatibility should be verified before purchase.
  • This is an assembly package, which adds useful included parts, but also means buyers are paying for components they may already have on hand.
  • The padded tube cap and included recoil plug/buffer spring make it a more complete setup, but the product description does not provide detailed sizing or compatibility specifics for every build.

Suggested Comparisons

  • AR-15 pistol buffer tube assemblies
  • AR-15 lower receiver parts
  • AR-15 brace-compatible buffer tube setups
  • AR-15 recoil spring and buffer components

Suggested Accessories

  • AR-15 brace
  • Castle nut wrench
  • Buffer spring
  • Receiver end plate

Frequently Asked Questions

What is included in this AR-15 pistol buffer tube assembly package?

The package includes the AR-15 pistol buffer tube assembly, a Vynafoam padded tube cap, a steel military grade E-coated castle nut and locking ring, and an AR-15 recoil plug and buffer spring.

Is this buffer tube assembly compatible with a Sig Brace or similar setups?

The product data states that it has a mil-spec tube diameter for proper fit to the specified manufacturer’s range for the Sig Brace, etc. Exact compatibility should be verified against your specific setup.

What material is the buffer tube made from?

It is constructed from military Type III anodized 6061 T6 aluminum.

Does this assembly use mil-spec threading and diameter?

Yes. The product data states military diameter threads for maximum fit into the AR-15 receiver and a mil-spec tube diameter.

Is there any warranty information provided?

The product data lists a limited lifetime warranty.