View Full Version : Do you shoot enough to break a firing pin?
bobbyfairbanks
03-11-2014, 17:44
I guess I do.
41967
This is out of a 18" Noveske shooting team upper with some where between 10k-15k rounds down the pipe. I have never seen a AR firing pin break like this, but I may just be a rookie.
I don't always break a firing pin,
But when I do I let everyone know
shit, fuk, damn, MoFo, pos crap, stupid son of a bitch.
ChunkyMonkey
03-11-2014, 17:58
I guess I do.
41967
This is out of a 18" Noveske shooting team upper with some where between 10k-15k rounds down the pipe. I have never seen a AR firing pin break like this, but I may just be a rookie.
Congrats?
KevDen2005
03-11-2014, 18:00
I guess I do.
41967
This is out of a 18" Noveske shooting team upper with some where between 10k-15k rounds down the pipe. I have never seen a AR firing pin break like this, but I may just be a rookie.
Cool. And I'm curious how the other parts are doing on that upper, along with the barrel, chamber, and the accuracy? Is it still functioning well?
Only if its an ACR...stupid ass titanium firing pin
BPTactical
03-11-2014, 18:08
Metal fatigue, possibly foreign object but my guess would be fatigue. I would examine the bolt very well to make sure the firing pin hole is not enlarged.
Typically the rear of the flange gets rounded or I have seen the rear portion break.
Depends if I'm using my solid stainless steel snap caps or not.
bobbyfairbanks
03-11-2014, 18:11
Or a yetti was using a really expensive gun and as we all know a yetti can break everything
I have about 15k through my spikes bcg lil lug rounding but still going strong
bobbyfairbanks
03-11-2014, 18:15
Sorry about due not do in the title. In my defense my back is really messed up and I am on a lot of narcotics.
[MOD: No worries; fixed it.]
...and I am on a lot of narcotics.
That explains the broken firing pin.
Sent via my Mobile Work Avoidance Device
Metal fatigue, possibly foreign object but my guess would be fatigue. I would examine the bolt very well to make sure the firing pin hole is not enlarged.
Typically the rear of the flange gets rounded or I have seen the rear portion break.
So, your saying if the guy's hole is too big he can have problems?
[Coffee]
BPTactical
03-11-2014, 18:26
So, your saying if the guy's hole is too big he can have problems?
[Coffee]
Lets let the voice of experience testify on that...
We are waiting Ray1970....[LOL]
On a serious note, I would be inclined to just replace the bolt with that high of a round count. Without a Magnaflux there is no telling if the lugs may be cracking as well as the cam pin hole. What kind of shape is the cam pin in?
10mm-man
03-11-2014, 18:30
So, your saying if the guy's hole is too big he can have problems?
[Coffee]
Not in your case, you should be just fine!! [ROFL1][ROFL2][Coffee]
BPTactical
03-11-2014, 18:33
Not in your case, you should be just fine!! [ROFL1][ROFL2][Coffee]
And you have knowledge of his non enlarged hole how???
That doesn't bode well for you if you weren't able to enlarge it[handbags]
10mm-man
03-11-2014, 19:09
And you have knowledge of his non enlarged hole how???
That doesn't bode well for you if you weren't able to enlarge it[handbags]
I was insinuating that he had a big hole, since he was talking about a guys BIG HOLE..... I am thinking you might know about it more than I do. Don't worry; I am not moving in on your piece, so relax!! [LOL][Coffee]
BPTactical
03-11-2014, 19:13
I was insinuating that he had a big hole, since he was talking about a guys BIG HOLE..... I am thinking you might know about it more than I do. Don't worry; I am not moving in on your piece, so relax!! [LOL][Coffee]
I don't get the feeling you are telling us the hole story[Tooth]
Circuits
03-11-2014, 19:23
I've broken two AR 22 firing pins over the years. Only centerfire FP I've broken was from improper reassembly of the bcg, with fp retaining pin in front of the fp collar.
Maybe he was running a 22lb gorrilla spring and 4lb depleted uranium hammer combo!
Proof noveske is junk. [peep]
Noveske uppers do tend to be a bit more overgassed and depending on the buffer and carrier weight, you may have been hammering the crap out of the FP hole and gas rings too. I have seen it happen on a few Novekse rifles. While the carrier and lugs are usually okay, if the FP hole in enlarged, you are going to need a new bolt.
ZERO THEORY
03-11-2014, 21:03
~12K rounds? I can see it. Especially if you're using ammo with a particularly stiff primer.
It's not a huge round count in the grand scheme of things, but most people grossly exaggerate how many rounds they actually shoot, and I don't know too many people who would put that many rounds down the tube in anything less than a few years.
10mm-man
03-11-2014, 21:22
I don't get the feeling you are telling us the hole story[Tooth] Im just going to lol, so we don't hijack the thread....
baglock1
03-11-2014, 21:27
I've broken two AR 22 firing pins over the years. Only centerfire FP I've broken was from improper reassembly of the bcg, with fp retaining pin in front of the fp collar.
Yeah, I can see that happening. I was showing my dad how to field strip the AR platform last week and he got a little wide-eyed when I stripped the BCG down. I told him there was really no way to screw it up so don't worry about it too much. I guess I should give him a call tonight to clarify what I meant...
Sorry about due not do in the title. In my defense my back is really messed up and I am on a lot of narcotics.
I thought you meant "dude", bro.
It's not a huge round count in the grand scheme of things, but most people grossly exaggerate how many rounds they actually shoot, and I don't know too many people who would put that many rounds down the tube in anything less than a few years.
If he bought it used from a NST shooter, it probably had 12K on it then. [dig]
RonMexico
03-11-2014, 22:33
I have about 15k through my spikes bcg lil lug rounding but still going strong
Sorry for the shameless plug but I have one for sale. Pm me if interested.
I have attended a shooting course where 25 guys shoot 8k rounds during a week on used service weapons and I have never witnessed or heard of a broken firing pin. Congrats.
bobbyfairbanks
03-12-2014, 00:35
Well I just took a look at the bolt. The firing pin hole when compared to a new bolt is about the same but I don't have a micrometer. The lugs are a different story. The back side that locks up with the chamber are very worn and rounded off. I think I will just go ahead and replace the bolt as well as the firing pin. I sent the pic and back round info on the life of the rifle to the tech guys at Noveske. They where very surprised at where the firing pin broke and stated that they had not seen one break there before. They are sending me out a new firing pin.
To respond to the guy that thinks I am over exaggerating my round count. I have no reason to lie on an internet forum to sound cool. Some guys go shooting and other people like to type about it.
Sounds like you have a timing problem...might want to get that diagnosed so it does not happen to the new bolt and firing pin.
bobbyfairbanks
03-12-2014, 07:50
Well I guess another 21/2 hour drive to go see good ol Bert is in order. I did change my gas rings out on the first day I had it to the range. I shot about 500rds that day and started getting failure to cycle problems. I switched guns and kept on going. When I got home I did the BCG check and it failed so I changed them out. Being over gassed didn't cross my mind I just figured the gas rings where out of spec and whatever its a few cents to replace. Good Call on checking the bolt.
Shameless plug for BPTactical. There are a lot of Gunsmiths between Woodland Park and the north side of Denver. It is usually 4 to 5 hour round trip for me to see Bert. I can tell you what though. I have had a custom 1911 that 4 gun smiths screwed up and cost me money. A lot of money. Take the chance and bring it to Bert, not only does he actually make the gun work perfectly he also fixes some finish blemishes with out me even asking for it. His rates. Not that I want him to charge me more but if I am willing to drive that far twice to get a gun worked on, I sure you could guess that I am willing to be charged more then what he does.
I don't shoot enough to break a firing pin, but I'm tacticool enough to have a spare in my grip compartment! :)
Zombie Steve
03-12-2014, 17:11
Knowing Bobby pretty well, I can vouch for the insane volume of ammo he goes through. I can also tell you that if you put him in a room with no windows and two anvils, you could come back 15 minutes later and one of the anvils will be lost, the other will be broken.
This represents the second time he's called a company asking about broken gear, and they've said they have never seen that happen before.
[Abused]
Metal fatigue, possibly foreign object but my guess would be fatigue. I would examine the bolt very well to make sure the firing pin hole is not enlarged.
Typically the rear of the flange gets rounded or I have seen the rear portion break.
^^^This. I would recommend replacing the bolt and firing pin along with a thorough inspection of the entire BCG.
osok-308
03-13-2014, 16:59
Congrats?
My thoughts exactly
bobbyfairbanks
03-15-2014, 19:32
Talked to Noveske gun breaker guy. He said he has never seen nor heard of this part breaking there. They 2 day shipped me a replacement. Noveske customer service +1 on this. Good customer service is key to getting my money. I am happy with them big time.
I don't shoot enough to break a firing pin, but I'm tacticool enough to have a spare in my grip compartment! :)
Me too.Though I've never broken a firing pin in ANYTHING.
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