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4/18/2011 7:36:13 AM EDT
I have 10 old 30 round Colt magazines that I recently refinished. They had the older black followers in them. I replaced the followers with the green Magpul versions. They are very nice I should add. Occasionally they won't hold the bolt open.

Do you guys think it is the springs? If so can you please suggest some affordable replacements?
4/18/2011 8:52:15 AM EDT
[#1]
Quoted:
I have 10 old 30 round Colt magazines that I recently refinished. They had the older black followers in them. I replaced the followers with the green Magpul versions. They are very nice I should add. Occasionally they won't hold the bolt open.

Do you guys think it is the springs? If so can you please suggest some affordable replacements?

Were they locking the BCG back before you changed the followers?
4/18/2011 9:00:58 AM EDT
[#2]
Don't really remember I never used em.
4/18/2011 9:05:24 AM EDT
[#3]
Quoted:
Don't really remember I never used em.

The cheapest thing to do would be to go back to the old followers and see if they work properly. If that doesn't work, it's probably the springs. Also are you using them in a new rifle, specifically one that you just built?
4/18/2011 9:07:58 AM EDT
[#4]
Yes it's relatively new. I just ordered some new springs. I'll see if that works. These springs in it right now are probably old these mags were all gold colored from use they were so old.
4/18/2011 5:37:32 PM EDT
[#5]
Try titan up your mag catch
4/18/2011 7:54:22 PM EDT
[#6]
Check mag catch...most likely weak spring
4/19/2011 9:57:06 AM EDT
[#7]
Will do. The receiver is s Spike's and is only 2 years old.
4/19/2011 5:20:42 PM EDT
[#8]
Quoted:
Will do. The receiver is s Spike's and is only 2 years old.


Did you build the lower from scratch?

Does the Bolt Catch move freely without the upper on it and the hammer back? If it doesn't I would investigate the spring and buffer for the bolt catch.

I don't mean to be insulting, but you did install the CORRECT spring in the bolt catch, that is if you built the lower from scratch. IF you used the Disconnector Spring then it might be binding and causing the buffer for the bolt catch to malfunction.

Good luck
4/21/2011 11:00:53 AM EDT
[#9]
Spike's sent me a lower with everything already in it. I just attached the stock.
4/21/2011 3:33:29 PM EDT
[#10]
Don't forget to factor in your ammo.
It could be a simple matter of low pressure Russian or .223 ammo causing a short stroke.
Have you run American manufactured XM193 or XM885 ?
4/22/2011 8:08:35 AM EDT
[#11]
PMC Bronze during the shoot.
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