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Posted: 12/12/2013 10:51:05 AM EST
So I am building my first AR and going to try not to sound like a total noob here but understand I am charting new territory. Here is my woe.

I am building out my lower using a Spike's Tactical lower and a Defense Package Ambi Safety. Well when I install the safety into the lower I have a 1/8" of play which seems far from idea, see pic.. I would see if I was building a model airplane but on a firearm this seems like crap.

My questions are these:


  • Anyone else had a similar issue with Defense Package Ambi Safeties?

    Are Spike's Lowers any narrower than others? I know they are build to mil-spec so I am thinking not.

    Should I return and hunt for a better Ambi Safety manufacturer?


http://i1152.photobucket.com/albums/p482/Bob_Maynard/3697B367-4AF6-4008-A1BB-696158C875CA_zpsqix9lo2t.jpg
Link Posted: 12/12/2013 11:11:08 AM EST
[Last Edit: 12/12/2013 11:11:40 AM EST by seej333]
Is 1/8" on one side or each side? Because that could be a little more gap than normal. It should be fine if you just out your selector detent in, spring, and grip on. This will center up the selector and even out the gap and take out all the play.
Link Posted: 12/12/2013 11:14:46 AM EST
1/8 total meaning 1/16th on either side. I will try putting in the detent and see what it looks like. Thanks
Link Posted: 12/12/2013 11:16:26 AM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By NascarGuy:
1/8 total meaning 1/16th on either side. I will try putting in the detent and see what it looks like. Thanks
View Quote


Yeah that's normal for those type of selectors. You just don't notice it.
Link Posted: 12/12/2013 11:18:17 AM EST
Make sure your center section is installed correctly so that the detent will work correctly. I think I installed the first one I ever did in a rush backwards and had the problem you are experiencing. It was different brand safety but same issue.
Link Posted: 12/12/2013 11:38:42 AM EST
There should be zero side to side movement once properly installed. If the detent is in place and under spring pressure with he grip installed, the detent should ride in the cut channel and snap into each milled stop point. The selector also should not be rubbing circles on the side of the receiver. Now that said, I have not used that specific selector, but none of mine have ever done that.
Link Posted: 12/12/2013 11:55:55 AM EST
Either you have a full auto selector installed or no detent allowing the selector to rotate toward the FA position. Put in your selector detent, spring, and pistol grip and your side to side play will stop. That's the purpose of these parts.
Link Posted: 12/12/2013 12:05:25 PM EST
He has no detent. His grip is off.
Link Posted: 12/12/2013 12:14:55 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By seej333:
He has no detent. His grip is off.
View Quote


^this.
install the detent and see what happens. you should be gtg.
Link Posted: 12/12/2013 12:35:33 PM EST
Thanks all. With some fussing I was finally able to get the detent to drop down into the selctor. Once this happened the safety was centered and I had I had no grip rub on either side. Looks like a keeper.
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