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716 ftf

This is a discussion on 716 ftf within the SIG Sauer Rifles forums, part of the SIG Sauer Forum category; Here we go... I am a new guy (HI) but i have been around AR style rifles my whole life, currently i own... many of ...


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Old 05-11-2017, 06:49 PM   #1
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716 ftf

Here we go...

I am a new guy (HI) but i have been around AR style rifles my whole life, currently i own... many of them. I just bought a new Sig 716 (MFG Date of 2014 however) and i just can not get it to feed. I am not "riding the bolt home" i always pull back the charging handle and let it fly, or use the bolt release.

I have tried the following

3 Different MFG of magazine
10 Different 7.62 ammo types (of several different loading)
Yes, Factory lube was properly removed, weapon is properly lubricated, buffer spring has also been cleaned of factory lube and properly lubricated.

I thought i would try to feed it 500rnds before contacting Sig, but to be honest it took hours to just get through 100rnds today and i just dont have the patience to get though any more.


Symptoms,
Bolt strips round off top of magazine, round engages feed ramps properly, but is slammed tip first into the breech face of the barrel. This failure happens roughly 80% of the time regardless if I am charging the weapon, or it is cycling. This failure actually telescopes the bullet into the casing and is quite difficult to clear.

Staring at it i honestly cant figure out a way to fix this, except maybe machining a chamfer onto the breech face??? It almost looks like the feed ramps are cut too deep.


Calling Sig tomorrow to discuss this with them, i REALLY want to love this rifle but so far it has been a headache. I own many Sig pistols and have always had awesome luck with their support. But i have to say this is a VERY frustrating problem to have with a $2K rifle.


Does anyone have any suggestions?

EDIT 5/12 **ADDED PHOTOS OF FTF ISSUE**

Before anyone says anything, these are cartridges I loaded without powder, and with a spent primer to NATO length for getting pictures of this failure inside my house today to send to Sig. These are NOT live cartridges.





Witness marks left by tip of bullets impacting breech.


These I brought home from range. Top: damage caused by FTF, bottom: this round chambered properly, but you can see deformation of the tip.


Does anyone have a photo of the breech on one of the G2 models? would be interesting to see if the feed path has been changed.

Last edited by bowerss2; 05-12-2017 at 06:06 AM.
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Old 05-11-2017, 07:16 PM   #2
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Welcome to the forum and sorry to hear of the trouble with your 716. We've seen multiple reports of this sort of behavior with some 716s. Send it back to Sig, as they will make it right.
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Old 05-12-2017, 01:38 AM   #3
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About all you can do without voiding the warranty is send it to Sig. When you get it back if it doesn't function 100% then send it in again, eventually they get it right.
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Old 05-12-2017, 05:44 AM   #4
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Just got off the phone with Sig, its going back. Unfortunately I talked to a friend this morning who went through this same thing with an older 716. Went back to them 5 times before they machined a chamfer into the breech face, which caused problems with the brass expanding. They eventually just replaced the upper and now it works great.

Tried to get Sig to just swap uppers with me, but they didn't go for it. Guess I get to start the 6 month process of sending it back and forth.

Very annoyed that my local dealer sold me what he said was one of the "new 716s" 100% my fault that I didn't notice that it was actually a 3 year old one that was still on his shelf. Still, I feel a bit bamboozled. Called him today about doing an exchange with another rifle, his response was "why would I want a gun that didn't work?"... what an ***.


Anyway just kind of disheartened after spending 2K on a faulty rifle. Hopefully Sig will make it right eventually.
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Old 05-12-2017, 08:22 AM   #5
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The majority of people have their rifle fixed the first time so I wouldn't get to upset yet. It does stink you have to send it back but you will likely get the updated parts so some good will come of it to. When all said and done I think you'll be happy with it, they are nice guns when running right.
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Old 05-12-2017, 03:11 PM   #6
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Yeah, I have to agree on the dealer - I believe I'd be informing him he'd seen the last money he'll ever get from me or anyone I know. Sig will take care of it and I think they've gotten better at fixing these, so I'd bet they'll get it right the first time.
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Old 05-15-2017, 05:16 PM   #7
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Originally Posted by bowerss2 View Post
Just got off the phone with Sig, its going back. Unfortunately I talked to a friend this morning who went through this same thing with an older 716. Went back to them 5 times before they machined a chamfer into the breech face, which caused problems with the brass expanding. They eventually just replaced the upper and now it works great.

Tried to get Sig to just swap uppers with me, but they didn't go for it. Guess I get to start the 6 month process of sending it back and forth.

Very annoyed that my local dealer sold me what he said was one of the "new 716s" 100% my fault that I didn't notice that it was actually a 3 year old one that was still on his shelf. Still, I feel a bit bamboozled. Called him today about doing an exchange with another rifle, his response was "why would I want a gun that didn't work?"... what an ***.


Anyway just kind of disheartened after spending 2K on a faulty rifle. Hopefully Sig will make it right eventually.
Mine did the same thing and they fixed it on the first go around & zero issues with anything since.

Don't go back to that lgs for anything at all...not even for a transfer.
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Old 05-16-2017, 08:43 PM   #8
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How common is this issue of FTF? I have a 716 with a July 2013 date and have only fired about 15 rounds though it.

Strange thing is I fired about 10 rounds and it was flawless for me. I let a friend try it and it FTF on every round. Same day, same mag and ammo.

He chambered a round and next round FTF. He handed it back to me and I chambered a round and fired a couple with no issue. Handed it back to him and it FTF next three rounds.

I haven't had it out since which has been over a year or so. Looks like it maybe time to exercise it some.
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Old 05-17-2017, 04:03 AM   #9
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How common is this issue of FTF? I have a 716 with a July 2013 date and have only fired about 15 rounds though it.

Since we mainly hear about the guns that have problems, here's no way to determine how common these issues are based on what's reported on the forum, but there have been quite a few reports of issues like this. There also have been a good number of guys who said their guns were flawless. Sig does stand behind the product and will make it good, although that's not much comfort when you just threw down $2k on a new gun.

I would definitely run more lead through yours, as it is very odd that 2 guys are seeing different behavior from the same gun and ammo. Good luck and keep us posted.
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Old 05-17-2017, 06:48 AM   #10
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I definitely need to run this boy some more and see what happens. 15 rounds is not enough to make a intelligent decision as if there is an issue with my particular firearm.
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Old 05-17-2017, 12:32 PM   #11
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Yep..sucks. Mine beat the **** out of the shells and deformed too but never failed to feed. Sent to SIG over accuracy issues and came back a week later as a tack driver. Still to this day don't know what voodoo they did but I think I'm one of the few who love this rifle. I shoot the **** out of it, well as much as you can shoot a .308 before your shoulder begs for the 5.56.....or .22 lol
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