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#5747493 - 05/17/15 06:41 AM takedown pin on AR-15
bigbob_ftw Online   content
THF Celebrity

Registered: 07/26/08
Posts: 14794
Loc: White Settlement, TX.
My receiver is missing the detent spring. How hard is it to replace?
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#5747649 - 05/17/15 09:23 AM Re: takedown pin on AR-15 [Re: bigbob_ftw]
Bradgrace Offline
Bird Dog

Registered: 06/11/11
Posts: 285
Loc: Greenville, Tx
Not a big deal at all. Go on YouTube and watch a few videos on it. Until I bought a special tool to do it I just used a punch and pushed the punch out with the takedown pin.

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#5747691 - 05/17/15 09:59 AM Re: takedown pin on AR-15 [Re: bigbob_ftw]
Cast Offline
THF Celebrity

Registered: 12/14/08
Posts: 16046
Loc: North Texas - God's Country
Everywhere I can, I add set screws to keep those springs in there.
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Cast



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#5747705 - 05/17/15 10:09 AM Re: takedown pin on AR-15 [Re: Cast]
bigbob_ftw Online   content
THF Celebrity

Registered: 07/26/08
Posts: 14794
Loc: White Settlement, TX.
Originally Posted By: Cast
Everywhere I can, I add set screws to keep those springs in there.


I've seen that mod. Doesn't look too hard. Seems I just need lo loosen the castle nut and rotate the backing plate.
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#5747714 - 05/17/15 10:13 AM Re: takedown pin on AR-15 [Re: bigbob_ftw]
Cast Offline
THF Celebrity

Registered: 12/14/08
Posts: 16046
Loc: North Texas - God's Country
Just a little tap action and a set screw. Also under the grip and bolt release.
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#5747752 - 05/17/15 10:38 AM Re: takedown pin on AR-15 [Re: bigbob_ftw]
Bradgrace Offline
Bird Dog

Registered: 06/11/11
Posts: 285
Loc: Greenville, Tx
Sorry guys I was thinking the front take down pin. The rear is even easier. That's a good idea on the set screw for the rear.

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#5747840 - 05/17/15 12:00 PM Re: takedown pin on AR-15 [Re: bigbob_ftw]
bigbob_ftw Online   content
THF Celebrity

Registered: 07/26/08
Posts: 14794
Loc: White Settlement, TX.
So to be clear, you setscrew the pin and don't use the spring?
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#5747886 - 05/17/15 12:40 PM Re: takedown pin on AR-15 [Re: bigbob_ftw]
Bradgrace Offline
Bird Dog

Registered: 06/11/11
Posts: 285
Loc: Greenville, Tx
No you clip the spring about the length of your set screw and tap the reciever and insert the detent then spring then screw in the set screw till it is just under flush of the back of the reciever.

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#5747909 - 05/17/15 12:58 PM Re: takedown pin on AR-15 [Re: Bradgrace]
bigbob_ftw Online   content
THF Celebrity

Registered: 07/26/08
Posts: 14794
Loc: White Settlement, TX.
Originally Posted By: Bradgrace
No you clip the spring about the length of your set screw and tap the reciever and insert the detent then spring then screw in the set screw till it is just under flush of the back of the reciever.


OK, that makes perfect sense, thanks!
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#5748244 - 05/17/15 05:43 PM Re: takedown pin on AR-15 [Re: Bradgrace]
TXGUNNER308 Offline
Veteran Tracker

Registered: 12/02/09
Posts: 2267
Loc: Farmers Branch / Carrollton
Originally Posted By: Bradgrace
Sorry guys I was thinking the front take down pin. The rear is even easier. That's a good idea on the set screw for the rear.


That's typically referred to as the "pivot pin".
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