Press the ejector to check function and spring tension.ĥ. They come in handy, spring-loaded boxes of 30.Ĥ. Check extractor tension by pushing with this convenient tool. Note that the ejector spring is the same one used in your takedown pin detent, should you ever need an emergency replacement.ģ.
With the punch still in the bolt body, place your hand over the ejector and catch it as you withdraw the punch. Place the bolt in a vise and using a roll pin punch, drive out the ejector roll pin.
If necessary, discard it and replace with a fresh one. Inspect the extractor claw for chips or wear - you can drag the extractor on your arm it should feel sharp and leave a mark. Replace the spring if it did not provide enough tension when you tested it earlier. Separate the extractor spring from the extractor, noting which way round the spring goes in the pocket. Take a small punch and press out the extractor pin, then remove the extractor from its groove in the bolt. Repeat until all three have been removed. These are located in a groove at the end of the bolt and can be peeled out one at a time by lifting up on one end, pushing the tail out of the groove and then running your fingernail around the bolt. Inspect the cam pin hole for any cracks that might be developing with high round counts, this is an area to keep your eye on. Check the bolt lugs for wear - watch out for rounding of the lugs. To strip the bolt, remove it from the carrier as you would for normal cleaning. If it drops to the unlocked position under its own weight, it’s time for a rebuild. If your BCG will stand on its end without collapsing, your gas rings are probably GTG.Ģ. This should have less spring tension than the extractor, but should still feel pretty lively.ġ. Finally, while holding the bolt in place, use the same small punch or live round to press down on the ejector. If not, then a bunch of malfunctions are in in your future - addressing problems caused by bad mags, faulty gas rings, and worn-out extractors and springs will take care of the vast majority of all mechanical failures on the AR platform. There should be significant spring tension. Next, take a small punch or live round and press out on the extractor. If it collapses under its own weight, the gas rings are probably shot. With the bolt in its forward position, stand the carrier up on a hard surface. To inspect your AR-15 bolt for wear, first remove the complete carrier from the rifle. Note that if you ever feel the need to become a hand model, don’t try running an AK at speed before the photo shoot…
#Ar ejector how to#
As part of routine maintenance, you should know how to inspect it, tear it down, and replace any wear items to keep the system running at peak performance. After 2,500 rounds or so, the bolt on your AR is probably feeling its age.
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