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blasterrider88
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Posted: 4/10/2009 2:13:10 AM
I`m building my first ar and I have everything but the barrel but I was wondering if all ar`s are pretty hard to cock/charge? Would a tactical latch solve this? thanks
12_gauge
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Posted: 4/10/2009 2:20:46 AM
Originally Posted By blasterrider88:
I`m building my first ar and I have everything but the barrel but I was wondering if all ar`s are pretty hard to cock/charge? Would a tactical latch solve this? thanks


No, they are not.
Every ripple has the potential to become a tidal wave.
cerberus1
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Posted: 4/10/2009 2:22:28 AM
Nope. Tac-Latch is primarily for clearance with optics.
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to Country is duty to family. Without our Country none of us would have a Family."

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blasterrider88
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Posted: 4/10/2009 2:35:22 AM
Now the charging handle is sticking! This thing is like 10 times harder to cock than my ak! I`m gonna sell it if it dont quit this. I have a stag arms a3 upper, stag arms charging handle, and a bolt and carrier that I got from ar15-rifles.com
Desert_AIP
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Posted: 4/10/2009 2:39:55 AM
[Last Edit: 4/10/2009 2:42:30 AM by Desert_AIP]
Are you sure it is in the groove in the upper correctly.
Did you lube the charging handle and bolt?
The bolt should be wet, especially on a new build.
Is anything binding in the receiver extension?
Does the bolt line up with the receiver extension properly?


ETA:
Your trying to cycle the action with no barrel installed?
The things that will destroy America are prosperity-at-any-price, peace-at-any-price,
safety first instead of duty first, the love of soft living, and the get-rich-quick theory of life.
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blasterrider88
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Posted: 4/10/2009 2:47:33 AM
[Last Edit: 4/11/2009 1:10:23 AM by blasterrider88]
stuff seems to line up good. I am charging it with no barrel. I can see the finish coming off of the inside of the upper above the charging handle. So much of the finish is coming off that I can smell it pretty strong. I have the stuff lubed up alot to see if it would help and it isnt. the handle dont hardly want to move.
Crusher7
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Posted: 4/10/2009 2:55:55 AM
Check the staking on the bolt carrier.. maybe. I just built mine, haven't fired it yet but was suprized at the amount of force it took to charge it. I had just a Ruger 10/22 before this. I have a scope in place too... makes it harder to get ahold of.
Desert_AIP
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Posted: 4/10/2009 3:01:21 AM
Post pics of the charging handle and BCG.
The things that will destroy America are prosperity-at-any-price, peace-at-any-price,
safety first instead of duty first, the love of soft living, and the get-rich-quick theory of life.
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blasterrider88
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Posted: 4/10/2009 3:01:26 AM
[Last Edit: 4/10/2009 3:14:59 AM by blasterrider88]
I`m new to ar`s but the staking looks fine to me. I`ve been messing with it and I`m starting to get it working better. hopefull saying this dont jinks me.
12_gauge
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Posted: 4/10/2009 3:39:36 AM
Something looks off here. Not sure what, but I bet something is not installed/put togather correctly, or something was machined quite poorly or something. None of my uppers show that kind of wear for quite a while. Certainly not from finger fvcking it like the OP seems to have been doing.
Every ripple has the potential to become a tidal wave.
blasterrider88
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Posted: 4/10/2009 3:45:13 AM
[Last Edit: 4/11/2009 1:10:59 AM by blasterrider88]
my bolt is so hard to move my charging handle got at up! something is out of spec for sure
blasterrider88
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Posted: 4/10/2009 3:51:01 AM
Should I dremel the little ate up part of the charging handle off, Contact Stag Arms and ask them what the hell is up with it or what?
Stonerriflefan44
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Posted: 4/10/2009 3:51:29 AM
[Last Edit: 4/10/2009 3:52:52 AM by Stonerriflefan44]
You mentioned you don't have a barrel on there yet, are the bolt lugs dragging across the feed ramps?
Is you buffer tube and buffer/ spring detent installed properly?

Remove the upper from the lower, remove the charging handle, insert BCG and move back and forth, see if it is hanging up anywhere in the movement. Remove BCG and insert the CH move that back and forth, see if it is binding anywhere in the movement.

If everything seems GTG and moves without any issues, check you lower. Start with the Bolt catch, is it seated properly, does it move without binding. Do a function check on FCG, check hammer spring make sure it is installed correctly.

ETA definately that nub on the CH, grind it off, sand smooth, GTG
/o]|o|[o\
blasterrider88
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Posted: 4/10/2009 3:59:06 AM
everything works great alone. I dont get it.
Stonerriflefan44
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Posted: 4/10/2009 4:05:05 AM
[Last Edit: 4/10/2009 4:11:19 AM by Stonerriflefan44]
Originally Posted By blasterrider88:
everything works great alone. I dont get it.




A CH should not have a nub on it. Looks like a casting imperfection. In todays market, the MFG probably overlooked it. Most parts are made by another company, so they ( maker of CH) let it through the CQ inspection.

I would say that is your issue. grind that nubbin off.
ETA:
A tell tale sign, the carrier key should fit perfectly and smoothly through the hole at the front of the CH. Also the bottom of the CH should be flush with the top of the bolt carrier in front of the cam pin. I see in your first pic that the carrier key is not even with the slot in the CH.
/o]|o|[o\
blasterrider88
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Posted: 4/10/2009 4:08:11 AM
[Last Edit: 4/11/2009 1:11:45 AM by blasterrider88]
i grinded it off and it didnt help
Stonerriflefan44
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Posted: 4/10/2009 4:12:38 AM
[Last Edit: 4/10/2009 4:14:01 AM by Stonerriflefan44]
Originally Posted By blasterrider88:
i grinded it off and it didnt help. the handle sticks back. now it dont hardly budge. this sucks because I`m 16 and sold a lot of stuff on craigslist just to build this and I have something out of spec somewhere.
http://i39.tinypic.com/5d03rd.jpg



Do you have a buffer spring in there? Is your BCG in there as well?
ETA
Give it a few taps to get it unstuck, don't use the biggest hammer, use your palm on the rear of the CH.
/o]|o|[o\
subterfugeinc
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Posted: 4/10/2009 4:17:20 AM
is the buffer retainer held down by the receiver extension? Take pics of the entire BCG and top rear of the lower so we can see the buffer area. These guns are not complicated, don't panic and think you need to sell everything. You already had a charging handle out of spec, lets figure out what else is going on.
Alex

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help me get this thing going- www.gunsonthestreets.com
Stonerriflefan44
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Posted: 4/10/2009 4:23:18 AM
Originally Posted By blasterrider88:
i grinded it off and it didnt help. the handle sticks back. now it dont hardly budge. this sucks because I`m 16 and sold a lot of stuff on craigslist just to build this and I have something out of spec somewhere.
http://i39.tinypic.com/5d03rd.jpg


I was going to add, if you dont have the BCG in there, just push out the rear take down pin. If your BCG is stuck, most likey the cause is because you don't have a spring and buffer in there and it slid all the way back. hit your foward asist to move the BCG foward.



/o]|o|[o\
blasterrider88
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Posted: 4/10/2009 4:28:28 AM

subterfugeinc
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Posted: 4/10/2009 4:32:14 AM
OK, that looks good- looks like you have the spring and everything in there, nothing out of place. Can you push the buffer down with little effort? If so, that should totally eliminate the extension itself, but not an interaction with the BCG. Get a picture of the whole BCG, maybe one with it in the upper from the bottom as well. Other than you upper receiver, are there any other areas with strange wear marks?
Alex

Once the 2nd amendment has been carefully debilitated, all the rest are easy.

help me get this thing going- www.gunsonthestreets.com
blasterrider88
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Posted: 4/10/2009 4:56:01 AM
[Last Edit: 4/11/2009 1:13:20 AM by blasterrider88]
I had a bunch of pics here but I deleted them.
Stonerriflefan44
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Posted: 4/10/2009 4:57:06 AM
Originally Posted By subterfugeinc:
OK, that looks good- looks like you have the spring and everything in there, nothing out of place. Can you push the buffer down with little effort? If so, that should totally eliminate the extension itself, but not an interaction with the BCG. Get a picture of the whole BCG, maybe one with it in the upper from the bottom as well. Other than you upper receiver, are there any other areas with strange wear marks?



+1

Here is a pic of one of my BCGs and CHs Notice in the first pic the CH is flush with the top of the BCG in front of the cam pin.

Second pic is of the inside area, of the CH. Notice towards the front, it is flared on the inside towards the area of contact with the carrier key. The outer most portion is slighty wider for clearance at the carrier key. When you ground down that casting imperfection did you make sure it was completely flat. Do you use a dremel, grinding at high speed will remove material, but will also cause the material( cutting or welding slag) to stick to the part. Use a fine file or sand paper to clean up the surface area.


If your BCG moves freely with the upper, its gliding on the raceways without any binding. And your CH moves freely without binding, but they are not working together. It may be the CH is out of spec. I don't have a micrometer with me here at home, but I can bring it home tomorrow and give you some measurements on the CH.


/o]|o|[o\
subterfugeinc
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Posted: 4/10/2009 5:07:35 AM
blasterrider, I see your top pic, but it looks like there are more that aren't showing up. Got to get some sleep, but I'll check back in the morning.
Alex

Once the 2nd amendment has been carefully debilitated, all the rest are easy.

help me get this thing going- www.gunsonthestreets.com
Stonerriflefan44
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Posted: 4/10/2009 5:09:21 AM
Your 4th pic shows alot of wear on the carrier key and CH and I do believe you have an out of spec CH. My BCG and CH have about 3.5K rds through them, little dirty but not as much wear on yours and yours are brand new. I would put money on the CH causing the issue.



/o]|o|[o\
blasterrider88
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Posted: 4/10/2009 5:16:24 AM
here is a pic of the bcg and ch partially inserted if you can make it out.

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