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Flash Suppressor Tap For Ar-15/M16 & Ar-308 - Flash Suppressor Tap 1/2"-28 Tpi For Ar-15/M16

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

High-speed Steel

Tap for threading custom barrels

Supports Ar-15/m16

1/2"-28 thread specification

Supports Ar-308

5/8"-24 thread specification

Chasing Cleaning

Up standard barrel threads

Brownells-manufactured Threading

Tool for AR-platform flash suppressors

$15.59
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SKU: 080598528

Overview

This tap is intended for gunsmiths and firearm owners who need to cut or clean up flash suppressor threads on AR-pattern rifles. It supports threading custom barrels as well as chasing existing threads on standard barrels or damaged threads, making it useful in shop work and maintenance. The tool is made from high-speed steel and is specified for 1/2"-28 threads for AR-15/M16 and 5/8"-24 threads for AR-308/AR-10 applications. For users working on compatible barrels, it offers a straightforward way to restore or prepare muzzle threads without unnecessary complexity.

Why Hunters Choose the Brownells

Supports Both

AR-15/M16 and AR-308 flash suppressor

Useful Threading

Custom barrels or cleaning up

Can Help

Recondition damaged threads on compatible

High-speed Steel

Construction is specified in the

Includes Standard

Thread sizes: 1/2"-28 and 5/8"-24

Key Features

  • High-speed steel tap for threading custom barrels or refurbishing existing threads.
  • Supports AR-15/M16 1/2"-28 thread specification.
  • Supports AR-308 5/8"-24 thread specification.
  • Designed for chasing and cleaning up standard barrel threads.
  • Brownells-manufactured threading tool for AR-platform flash suppressors.

Best Used For

  • Gunsmiths threading custom AR-15/M16 barrels to standard flash suppressor specifications
  • AR-308 owners cleaning up or reconditioning existing 5/8"-24 threads
  • Firearm enthusiasts maintaining threaded barrels and restoring damaged muzzle threads
  • Users needing a tap for both AR-15/M16 .500"-28 and AR-10 5/8"-24 applications

Specifications

ApplicationThreading custom barrels or chasing existing threads
Body Diameter1/2"
CompatibilityAR-15/M16; AR-308
MaterialHigh-speed steel
Thread Class1A
Thread Size1/2"-28
Thread Size Ar 3085/8"-24
Thread Specification1/2"-28 for AR-15/M16; 5/8"-24 for AR-308

Pros

  • Supports both AR-15/M16 and AR-308 flash suppressor thread applications.
  • Useful for threading custom barrels or cleaning up existing threads.
  • Can help recondition damaged threads on compatible barrels.
  • High-speed steel construction is specified in the product data.
  • Includes standard thread sizes: 1/2"-28 and 5/8"-24.

Considerations & Trade-offs

  • Requires the correct thread size for the platform being serviced: 1/2"-28 for AR-15/M16 and 5/8"-24 for AR-308/AR-10 applications.
  • This is a specialized gunsmithing tap, so it is intended for threading or reconditioning barrel threads rather than general-purpose shop use.
  • Results depend on proper setup and technique; it is meant to cut or clean threads, not to compensate for major damage or incorrect barrel dimensions.
  • The product description does not include a tap handle or other accessories, so those would need to be provided separately if required.

Suggested Comparisons

  • AR-15/M16 gunsmithing tools
  • AR-308 gunsmithing tools
  • Thread repair and thread-chasing tools
  • Barrel threading tools

Suggested Accessories

  • Threading and tapping fluid
  • Tap wrench
  • Thread pitch gauge
  • Cleaning brush set

Frequently Asked Questions

What thread sizes does this tap support?

The product data lists 1/2"-28 for AR-15/M16 and 5/8"-24 for AR-308/AR-10 applications.

What is this tool used for?

It is intended for threading custom barrels, cleaning up standard barrel threads, or reconditioning damaged threads on AR-15/M16 and AR-308 platforms.

What material is the tap made from?

The listed material is high-speed steel.

Is this a complete muzzle device or just a threading tool?

It is a tap for creating or restoring flash suppressor threads, not a flash suppressor itself.

Does the product data specify compatibility beyond AR-15/M16 and AR-308?

No. The provided information only identifies AR-15/M16 and AR-308/AR-10 thread applications.