Brownells - AR Style Chamber Brushes

Published on July 15, 2008
Duration: 3:59

This video details the importance of cleaning AR-style rifle chambers and locking lugs to prevent malfunctions. It highlights Brownells' chamber brushes, noting thread differences for M16 (8-36) versus AR-15/AR-10 (8-32) models. The procedure emphasizes using solvent, rotating the brush clockwise only, and following up with Chamber Maids for thorough fouling removal.

Quick Summary

Cleaning the chamber and locking lug area of AR-15, M16, or AR-10 rifles is critical for proper function. Fouling accumulation can cause malfunctions. Brownells offers specific brushes with 8-36 (M16) or 8-32 (AR-15/AR-10) threads, featuring bronze for the chamber and stainless steel for lugs.

Chapters

  1. 00:00Importance of Chamber Cleaning
  2. 00:21Brush Specifications & Thread Sizes
  3. 00:42Safety and Setup Tools
  4. 01:35Proper Cleaning Procedure (Clockwise Only)
  5. 02:13Using Chamber Maids for Fouling
  6. 02:41Bore Cleaning & Reassembly

Frequently Asked Questions

Why is cleaning the AR-15 chamber and locking lugs important?

Cleaning the chamber and locking lug area is critical for proper function. Carbon, unburnt powder, and brass shavings accumulate here and can cause bolt or chamber-related malfunctions if not regularly maintained.

What are the thread differences for AR-style chamber brushes?

Brownells offers M16 version brushes with 8-36 threads for military rods. AR-15 and AR-10 versions use standard 8-32 threads, ensuring compatibility with common cleaning rods.

How should I clean the AR-15 chamber with a brush?

Ensure the rifle is unloaded. Apply solvent to the brush, insert it into the chamber, and rotate clockwise only. Ensure the stainless steel tufts reach and clean the locking lug area effectively.

What tools are recommended for AR chamber cleaning?

A lower receiver holding fixture and a Sinclair Link help stabilize the rifle. Brownells chamber brushes with bronze and stainless steel bristles, followed by Chamber Maids, are recommended for thorough cleaning.

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