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1/25/2018 7:38:29 AM
Posted: 2/20/2006 2:45:17 PM EST
[Last Edit: 2/20/2006 2:45:54 PM EST by medicmandan]
Link Posted: 2/20/2006 5:09:21 PM EST
Do a short stroke test.

From the troubleshooting sticky:

-Unload the rifle and verify that it is clear.
-Check the bore for obstructions.
-Load the rifle with one round from the magazine. Use quality ammunition and a proven magazine for this.
-Aim downrange and fire, the bolt should catch on the bolt stop. Hold the rifle as loose as possible.
-Reload and repeat the process if the rifle does not lock open Depress the bottom of the bolt stop before firing this time. This allows for weak magazine springs, sticky followers, or an overly strong bolt catch spring.
-If the bolt does not lock open then there is a gas system problem. Investigate and repair the problem.
-If it only locks open with the bolt stop depressed, repeat the process with a different magazine. If the rifle still fails to function then look at the bolt stop as a probable culprit.
Link Posted: 2/20/2006 6:48:20 PM EST
[Last Edit: 2/20/2006 6:48:40 PM EST by Dano523]
Link Posted: 2/20/2006 7:03:35 PM EST

Originally Posted By Dano523:
Bushy=check the key screws to make sure that they are still tight (35 in lbs).

Link Posted: 3/1/2006 11:57:05 AM EST
Link Posted: 3/1/2006 12:13:06 PM EST

Originally Posted By medicmandan:

Originally Posted By Dano523:
Bushy=check the key screws to make sure that they are still tight (35 in lbs).

Dumb question, but how do I verify 35 in. lbs on an allen screw?

With a torque wrench. Duh!

But just get them good and snug. Not so tight you snap off the head, but not loose. If you can tighten them at all, they were loose.
Link Posted: 3/1/2006 4:14:08 PM EST
Check your ejector. Push in on the ejector. Does it move without binding? If not you may need to remove the ejector and spring and clean both and the hole the spring/ejector fits in. The case is being extracted from the chamber, so it's not an extractor problem. If it is not short stroking, the ejector may be the answer.
Link Posted: 3/1/2006 6:25:00 PM EST
I have seen the same malfunction you are experiencing happen because of the bolt plunger being obstructed by brass shavings. Perhaps worth checking.
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