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#6290102 - 05/06/16 08:03 PM AR safety question
soje Offline
Bird Dog

Registered: 12/22/12
Posts: 477
Loc: Plano
On a properly functioning AR. Gun is charged and safety is set to safe. If I pull the trigger, then switch the safety to fire, should the hammer drop?

Thanks

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#6290137 - 05/06/16 08:22 PM Re: AR safety question [Re: soje]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1160
Loc: Waco
No it shouldn't that only happens on Rem 700's bolt

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#6290206 - 05/06/16 09:36 PM Re: AR safety question [Re: soje]
Bradgrace Offline
Bird Dog

Registered: 06/11/11
Posts: 265
Loc: Greenville, Tx
I would replace the trigger group. Has it always been like that or just started doing it?

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#6290224 - 05/06/16 10:01 PM Re: AR safety question [Re: soje]
Big Fitz Offline
Veteran Tracker

Registered: 12/06/09
Posts: 2008
Loc: McKinney, TX
Absolutely not. Have you made any mods? Stock trigger or aftermarket? How much trigger movement are you getting when placed on safe and then pulling the trigger?
_________________________
Originally Posted By: syncerus
I prefer to think of myself as a control enthusiast. wink

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#6290236 - 05/06/16 10:16 PM Re: AR safety question [Re: soje]
BassCat'99 Offline
Tracker

Registered: 02/15/13
Posts: 921
Loc: Stratford Texas
take it to a gunsmith and have it checked. not safe!
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TS

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#6290316 - 05/07/16 05:02 AM Re: AR safety question [Re: soje]
soje Offline
Bird Dog

Registered: 12/22/12
Posts: 477
Loc: Plano
Zero trigger movement, when it's set to safety. While charged, I can move it from safe, to fire all day, and the hammer won't drop. It's only when I charge it, set it to safe, pull the trigger, then switch to fire while maintaining pressure on the trigger, that the hammer drops.

It's a billet lower, I'm building. I installed the Battle Arms safety, and then installed a Geissele SD-C trigger. With the price of these parts, I sure hope I just did something wrong. There aren't too many parts to fail here. I built this rifle a few years ago, and then took it down. I'm just rebuilding it. I'm obviously new to ARs, but I feel confident I can fix a problem, as long as there are instructions available. The safety issue sure didn't seem right. Thank you for the responses. Anyone know where I might have gone wrong here?

Maybe the grip screw pushing up on the underside of the trigger?

Just for clarity. This weapon is nowhere near any ammo or magazines. I wouldn't consider feeding this thing, until it's completely squared away.


Edited by soje (05/07/16 05:51 AM)

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#6290343 - 05/07/16 07:00 AM Re: AR safety question [Re: soje]
Big Fitz Offline
Veteran Tracker

Registered: 12/06/09
Posts: 2008
Loc: McKinney, TX
Grip screw should be no where near long enough to push the underside of the trigger unless you installed an allen screw for that purpose or you have an adjustable screw made for such adjustment (not stock). This is a trick to use on stock triggers to reduce take up and should not be needed with a Geissle. The SD-C is non adjustable. It is a 2 stage so wondering if the safety is allowing the trigger to move through the 1st stage?

Suggest taking the upper off and cycling the trigger with safety on and off and watch closely the 2 stage interaction. DON'T let the hammer fall on the lower or you may crack it. Use your thumb or towel to control the hammer drop.

Also look at how much gap exists between safety and trigger when on safe, should be VERY little.

Do you have another safety you can try? Very interested in what you find, please keep us posted.
_________________________
Originally Posted By: syncerus
I prefer to think of myself as a control enthusiast. wink

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#6290358 - 05/07/16 07:29 AM Re: AR safety question [Re: Big Fitz]
soje Offline
Bird Dog

Registered: 12/22/12
Posts: 477
Loc: Plano
Originally Posted By: Big Fitz
Grip screw should be no where near long enough to push the underside of the trigger unless you installed an allen screw for that purpose or you have an adjustable screw made for such adjustment (not stock). This is a trick to use on stock triggers to reduce take up and should not be needed with a Geissle. The SD-C is non adjustable. It is a 2 stage so wondering if the safety is allowing the trigger to move through the 1st stage?

Suggest taking the upper off and cycling the trigger with safety on and off and watch closely the 2 stage interaction. DON'T let the hammer fall on the lower or you may crack it. Use your thumb or towel to control the hammer drop.

Also look at how much gap exists between safety and trigger when on safe, should be VERY little.

Do you have another safety you can try? Very interested in what you find, please keep us posted.


I think you just answered my question. After posting this earlier, I went and unscrewed the grip, and then screwed it back in. I could see the trigger lifting up, when I turned the last couple threads. I'm using a hex head, and now realize that it is longer than the standard grip screw. I didn't know these hex haeds were made for the purpose of adjusting the trigger position. I'm gonna change the grip screw out here in a while. I feel like a dummy. I normally do obsessive research, before starting a new task. I'm not even sure where I got this hex head screw. Probably found it at the gun shop I used to work at. I appreciate all y'alls advice.

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#6290417 - 05/07/16 08:54 AM Re: AR safety question [Re: soje]
soje Offline
Bird Dog

Registered: 12/22/12
Posts: 477
Loc: Plano
taz Not the grip screw. I'm gonna take it apart a few times, before I post again.

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#6290428 - 05/07/16 09:14 AM Re: AR safety question [Re: soje]
Tim9880 Online   content
Bird Dog

Registered: 04/08/12
Posts: 441
If I am reading your post correctly, you are pulling the trigger, and letting off safety while holding back trigger and it goes click. That is normal. You are pulling the trigger, it SHOULD go click. Now if you pull, then release, then switch off safety, then a click it is bad.

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#6290580 - 05/07/16 12:08 PM Re: AR safety question [Re: soje]
Slow Drifter Offline


Registered: 04/09/09
Posts: 4256
Loc: Central Texas
Google m16 Function check. The first half of the check works the same on civilian AR-15's. The second half is only for full or selective fire weapons. Weapon on safe, pull and release charging handle, pull trigger, hammer should NOT fall. Place selector switch to fire, pull trigger and hold to the rear, hammer shoud fall. Holding the trigger to the rear, work the charging handle again. Slowly release trigger, you'll hear a metallic "thunk" noise, but the hammer should not fall. Pull the trigger, hammer should fall.

edited for fat-fingered typing!


Edited by Slow Drifter (05/07/16 12:19 PM)
_________________________
"I have no idea what WW-III will be fought with, but WW-IV will be fought with sticks and stones."

A. Einstein


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#6290607 - 05/07/16 12:36 PM Re: AR safety question [Re: Tim9880]
bo323 Offline
Tracker

Registered: 09/24/11
Posts: 706
Loc: Snyder, tx
Originally Posted By: Tim9880
If I am reading your post correctly, you are pulling the trigger, and letting off safety while holding back trigger and it goes click. That is normal. You are pulling the trigger, it SHOULD go click. Now if you pull, then release, then switch off safety, then a click it is bad.


This is exactly what I was thinking. I can't think of a firearm that will not do this.

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#6290906 - 05/07/16 06:41 PM Re: AR safety question [Re: soje]
Toxarch Offline
Pro Tracker

Registered: 03/09/11
Posts: 1680
Loc: Parker County
Originally Posted By: soje
On a properly functioning AR. Gun is charged and safety is set to safe. If I pull the trigger, then switch the safety to fire, should the hammer drop?

Thanks


Yes, that is perfectly normal for all ARs.
_________________________
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.

— Dwight D. Eisenhower

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#6291150 - 05/08/16 05:43 AM Re: AR safety question [Re: soje]
soje Offline
Bird Dog

Registered: 12/22/12
Posts: 477
Loc: Plano
Ya'll will have to pardon my failure to communicate clearly. Right now, I have the lower on its own. [censored] the hammer, switch to safe, put rearward tension on trigger,, while maintaining rearward tension on the trigger, switch to fire. The hammer falls, when it clicks to fire.

I'm surprised at how little I've experimented with this on other guns that have safeties. I'm thinking it's supposed to fire, though it's not a safe or common action. I'm going to try Snow Drifter's checks.

Thank you all.


Edited by soje (05/08/16 05:51 AM)

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#6291208 - 05/08/16 08:06 AM Re: AR safety question [Re: soje]
MDMORROW Online   content
Veteran Tracker

Registered: 01/10/11
Posts: 2553
Loc: McKinney & Pottsboro, TX
If you're pulling on the trigger and take it off safety while continuing to pull the trigger then it will fire. Honestly you shouldn't have your finger on the trigger until safety is off and ready to shoot. If that's how I'm understanding your issue.
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