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10/13/2013 2:22:06 PM EDT
Look at this shit. I know it's my fault. The little fucker was sorta tight going in so I was tapping it with a punch and now its stuck and won't screw in. It still works but it's bothering me.


10/13/2013 2:23:35 PM EDT
[#1]
Edit
10/13/2013 2:38:45 PM EDT
[#2]
Cross-threaded maybe?  Did you strip the hex portion of the screw?
10/13/2013 9:41:43 PM EDT
[#3]
Carefully slot it with a dremel, then back it out with a screwdriver. You may be able to chase the threads if it isn't to buggered up. 2 out of 3 of the the bolt catch pins I recently bought were to tight to use on my last build and would not go all the way in. Dunno if DPMS is having tolerance problems.
10/14/2013 8:42:49 AM EDT
[#4]
+1 with KB1's advise on backing it out.

Contact Mega for a replacement screw.  Mega has their bolt catch screws made by a screw machine shop that's local to them.
10/14/2013 2:20:58 PM EDT
[#5]
First thing that went wrong, is your using a AR-15 bolt catch on a MATEN (.308). Second thing that went wrong is your using a PSA bolt catch. We warn against using a PSA bolt catch with our AMBI AR-15 lowers for this reason. The PSA bolt catch has a hole that is too narrow for our threaded pin. Everyone else's will fit but their's. You are going to have to grab the end of the screw with a vise grip or equivalent, and smack it with a hammer to remove the boogered up screw. Call in to us to get a replacement once it is removed. Also, get a .308 bolt catch. We DO recommend DPMS or CMMG for that.
10/14/2013 2:25:18 PM EDT
[#6]
I would recommend taping everything you can on the receiver with a few layers of masking tape to avoid buggering up your receiver before doing anything more with this.  Anodize aluminum is hard, but not as hard as steel.

It saved me a lot of grief when I installed the mag catch.
10/14/2013 6:48:14 PM EDT
[#7]
Quote History
Quoted:
First thing that went wrong, is your using a AR-15 bolt catch on a MATEN (.308). Second thing that went wrong is your using a PSA bolt catch. We warn against using a PSA bolt catch with our AMBI AR-15 lowers for this reason. The PSA bolt catch has a hole that is too narrow for our threaded pin. Everyone else's will fit but their's. You are going to have to grab the end of the screw with a vise grip or equivalent, and smack it with a hammer to remove the boogered up screw. Call in to us to get a replacement once it is removed. Also, get a .308 bolt catch. We DO recommend DPMS or CMMG for that.
View Quote


The Seekins enhanced bolt catch works fine in my other MKM build. Is there a reason to ONLY use a "308" bolt catch?
10/15/2013 6:39:27 AM EDT
[#8]
Even though it may work fine, typically the .308 bolt catch encapsulates more of the bolt face that the AR-15 version when engaged. If you want it to work all of the time, use the .308 bolt catch.
10/15/2013 6:40:15 AM EDT
[#9]
Quote History
Quoted:
Even though it may work fine, typically the .308 bolt catch encapsulates more of the bolt face that the AR-15 version when engaged. If you want it to work all of the time, use the .308 bolt catch.
View Quote


Excellent. I didn't know that.
10/22/2013 4:05:13 PM EDT
[#10]
I got it out using the vise grip trick. Even though I taped it all up the vise grip still put a scratch on it.
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