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Brownells

Ar-15/M16 Armorer's Small Parts Kit - Brn Ar-15 Armorer's Small Parts Kit

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

Convenient Bulk

Kit for servicing multiple AR-15s

Includes Key

Small components for upper and

Armorers Gunsmiths

Who service many rifles

Useful Multiple

Builds and replacement of damaged

Includes Five

Each of several common AR-15

$599.99
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SKU: 084000374

Overview

Built for armorers and gunsmiths who maintain multiple AR-pattern rifles, this kit gathers a broad selection of small receiver components in one place for service work, repairs, and repeated builds. It is suited to keeping customer, department, or agency rifles supplied with common replacement parts when something is damaged or goes missing during installation. The assortment covers both upper and lower receiver needs, making it a practical inventory item for shops that want replacement parts close at hand. Its value is in convenience and readiness rather than a single-purpose repair.

Why Hunters Choose the Brownells

Extensive Kit

Covers key small components for

Includes Multiple

Quantities of common AR-15 replacement

Suited Armorer

Gunsmith use when servicing many

Useful Multiple

Builds and replacing damaged or

Convenient Backup

Supply for needed small components

Key Features

  • Convenient bulk kit for servicing multiple AR-15s
  • Includes key small components for upper and lower receivers
  • Designed for armorers and gunsmiths who service many rifles
  • Useful for multiple builds and replacement of damaged or lost parts
  • Includes five each of several common AR-15 small parts
  • Brownells kit for keeping replacement parts on hand

Best Used For

  • Armorer or gunsmith servicing multiple AR-15s for customers, departments, or agencies
  • Shop use for replacing damaged or missing small parts during repairs
  • Multiple-build projects needing a convenient bulk supply of receiver components
  • Maintenance inventory for keeping common AR-15 parts on hand when needed

Specifications

Kit Includes5 each - hammer, hammer spring, trigger, trigger spring, triggerguard, triggerguard roll pin, disconnector, disconnector spring, safety selector, magazine latch, magazine release button, magazine release spring, bolt catch, bolt catch plunger, bolt catch spring, bolt catch ro

Pros

  • Extensive kit covers key small components for both upper and lower receivers
  • Includes multiple quantities of common AR-15 replacement parts
  • Suited for armorer or gunsmith use when servicing many rifles
  • Useful for multiple builds and replacing damaged or missing parts
  • Provides a convenient backup supply for needed small components

Considerations & Trade-offs

  • This is a bulk armorer’s kit, so it makes the most sense for shops, departments, or builders who service multiple AR-15s rather than for a single rifle repair.
  • The kit is focused on small parts for the upper and lower receiver; it is not a complete rifle parts package and does not cover larger components.
  • Because the contents are standardized, it may include parts you do not need for a specific job while still requiring you to verify compatibility with the rifle being serviced.
  • The value here is in having replacements on hand, but that also means a higher upfront cost than buying only the individual parts needed for one repair.

Suggested Comparisons

  • AR-15 lower parts kits
  • AR-15 upper receiver parts
  • Armorer’s tool kits
  • Gunsmithing small parts assortments

Suggested Accessories

  • Small parts organizer
  • Armorer's tool kit
  • Bench mat
  • Parts tray

Frequently Asked Questions

What parts are included in this AR-15/M16 armorer's small parts kit?

The kit includes 5 each of the following: hammer, hammer spring, trigger, trigger spring, triggerguard, triggerguard roll pin, disconnector, disconnector spring, safety selector, magazine latch, magazine release button, magazine release spring, bolt catch, bolt catch plunger, bolt catch spring, and bolt catch roll pin.

Who is this kit intended for?

It is designed for armorers or gunsmiths who service a lot of ARs, including those supporting customers, departments, or agencies.

Is this kit meant for repairs, builds, or both?

Both. The description says it is useful for multiple builds and for replacing parts that have been damaged in use or lost during installation.

Does the product data specify compatibility beyond AR-15/M16?

No. The provided information identifies it as an AR-15/M16 armorer's small parts kit, but it does not list any additional compatibility details.

Are individual part quantities listed for every item in the kit?

The source data lists 5 each for the included parts, but the provided specification text is cut off at the end, so the full parts list may not be complete in the data shown.