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11/30/2007 5:11:19 PM EDT


Building my first AR lower receiver.  Everything went smoothly until starting the assembly of the bolt catch.  Placed the bolt catch spring in, then put in the bolt catch buffer.  When pushing in the buffer, it got stuck.  I am unable to remove it.

Any ideas, or have I screwed my first lower receiver?
11/30/2007 6:43:59 PM EDT
[#1]
Doesn't it go?

1. bolt catch buffer
2. bolt catch spring
3. bolt catch
11/30/2007 7:04:35 PM EDT
[#2]
11/30/2007 7:32:48 PM EDT
[#3]
If I'm understanding your dillema correctly, you might take a punch and try to bounce it out. If you're successful you can then remove the spring and ream out the hole a little (tiny) bit. It sounds like some forge flash or the like might be catching it.

ETA - If it won't bounce out you might take a very small (1/16") drill bit and, with hand power only, try to tap the top and pull it out.
11/30/2007 7:38:01 PM EDT
[#4]
Tried the bounce, no go.

Will hand power be enough to dig into the metal enough?  Will have to give that a try.

Thank you for the suggestion.
11/30/2007 7:40:51 PM EDT
[#5]
Well, if all else fails you might be able to get a screw extractor on it and pull it out.
11/30/2007 7:44:41 PM EDT
[#6]
A light rap on the side of the lower near the bolt release might work ( do I need to say with a non marring type hammer such as a small dead blow? ) If its cocked inside the hole, that just might be enough to free it up. Tap on the same side, but cover that opening if it does shoot out.
11/30/2007 7:47:03 PM EDT
[#7]
More excellent suggestions, I love this place.
11/30/2007 7:57:48 PM EDT
[#8]
Can you see the side of the plunger - the part past the rounded end? If you can, try using a scribe tool. You may be able to poke the scribe down into the part from the top and use the receiver to leverage it out. If it slips off of the plunger - try tapping the end of the scribe lightly with a hammer to get it to put an indent in the plunger.

Always check the holes (especially the blind holes) with a drill bit to make sure there is no crud in them. That is one of the first steps in "The AR-15 Complete Assembly Guide" by Walt Kuleck with Clint Mckee.  
11/30/2007 8:04:08 PM EDT
[#9]
Sounds like I need to order that book.

Should have known better.
11/30/2007 8:27:46 PM EDT
[#10]

Quoted:
Sounds like I need to order that book.

Should have known better.


You won't find a better place to spend $20. Because, to paraphrase the potato chip commercial "you can't build just one". BRD
11/30/2007 8:37:39 PM EDT
[#11]
Ordered!

And, I finally worked it loose!  Using ahelplessnun's rap on the side, and bumping it once it started to loosen up, it finally came out.

Thank you very much everyone.
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