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Perform A Function Check

Categories » AR15, Guide

Note: A function check should be performed each time the rifle is reassembled or any time there is a doubt as to whether the selector lever and rifle are functioning properly.

* THE FOLLOWING CHECKS ARE PERFORMED ON UNLOADED RIFLES *

SAFE
Pull the charging handle to the rear and release. Place the selector on SAFE. Pull the trigger, and the hammer should not fall.
SEMI
Place the selector on SEMI. Pull the trigger and hold to the rear. The hammer should fall. Continue to hold the trigger to the rear, pull the charging handle to the rear, and release it, Release the trigger with a slow, smooth motion until the trigger is fully forward. The hammer should not fall. Pull the trigger. The hammer should fall.
AUTO
Place the selector on AUTO. Pull the charging handle to the rear and release. Pull the trigger and hold to the rear; the hammer should fall. Pull the charging handle to the rear and release. Release the trigger and pull it again; the hammer should not fall.
BURST
Place the selector lever on BURST. Pull the charging handle to the rear and release. Pull the trigger and hold to the rear; the hammer should fall. Pull the charging handle to the rear three times and release. Release the trigger and pull it again; the hammer should fall.
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