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Hi guys I was wondering if anyone could help me with my recent AR problem. So far I have fired around 300 rounds through the rifle with no issues however recently began experiencing problems with the bolt not going rearward enough to allow the next round to be pushed up. I talked with several friends and the best we could think of was a gas tube issue, or more likely, a issue with the combination of buffer weight and buffer spring. Currently I have a carbine length buffer spring and weight in the tube that I purchased from Bravo company. Anyways a single shot AR sucks so any insight to this problem would be greatly appreciated! My rifle is a BCM RECCE 16 upper with a stag lower parts kit and a spikes tactical lower. The buffer weight and spring are for a carbine stock. Thanks again. Also rounds eject at 4 o'clock position if that helps.
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My BCM mid length 16" has been rock solid, shot both brass cased ammo (American Eagle black box from Wally) and steel cased ammo (Wolf camo box and Wolf black box). I run a Spikes T2 buffer (heavy.)
- What ammo are you using?
- Did you open up the gun? Anything look like it is out of place? Is everything snug?
- Can you post pics?Last edited by sd_shooter; 10-09-2012, 1:43 PM. -
Here's a thread where someone had trouble with Remington .223 ammo:
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^Hey SD, does that spikes buffer really make a difference?
OP, I have a 16" midlength BCM upper as well sitting on a LRB lower. So far no issues at all for my first 400 rounds. I'm shooting xm193 federal and PMC's X-Tac, all 5.56 NATO.
The only issue I've had between shooting my rifle and my buddy's rifle (spikes tactical upper) is his rifle jamming and failing to extract due to shooting .223 PMC rounds. Oh also my upper was first ejecting at the 4 o'clock at first but is starting to even out the more I shoot it. Could be you need to break your rig in more and shoot decent ammo for the initial break in period."BroBro13"
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I don't know, I've never used anything else. The gun is soft to shoot.
Could be, but I would think the OP's initial 300 rounds would be enough to break it in.Could be you need to break your rig in more and shoot decent ammo for the initial break in period.
OP, are you keeping the gun firmly on your shoulder?
Did you lube according to the chart?
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Thanks for the response SD."BroBro13"
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I have and always lube all the parts on the chart and I also shoot every time with the rifle firm against my shoulder. The ammo I run 90% of the time in my gun is PMC X-tac or Winchester 5.56 frangible rounds. Never had a problem with either in the AR or my Mini... I spoke to a guy in a tactical store who said he had similar issues in his rifle and he switched his buffer weight to a lighter one (H1 weight) and it solved the issue.Comment
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That makes total sense, most people don't know that the H2 buffers are for the harsh m4 gas system correction of "bolt bounce", so when they put it in the milder "pulsed" midlength system they experience the short stroke.
some issues may just be mix matched parts and nothing more than some mere "tuning" can correct the issues.Last edited by torquefliteterror; 10-09-2012, 8:47 PM.Comment
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they "all" don't have the issue. It was posted on their website for a time, then removed. Its sometimes happens with cheap ammo. Its a fact of life with a mil-spec gas port. Sometimes the issue is a midlength gas system with a mil-spec port and a carbine buffer and some gunk.
Its not just a matter of shooting the gun a few times and calling it good. you have to dirty the gun and then make sure it works. If you are having trouble after 300 rounds your idea to drop the buffer weight is a good one.Comment
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I know I just wanted to state I havnt run I to any issues.. I didn't mean it as a disagreement or saying it was untrue or couldn't happen...
I'm just glad I havnt run into that.... (Yet) that being said I only run XM/green tip stuff... Been tempted to try wolf for a little while and save on costs and see how it runs...Comment
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You need to try it. You should know the limits of your firearm...that way its not a surprise when you don't want a surprise...
My rig can't do 40 and 50 after 200 rounds. I can run 62 to about 2500, then I need a squirt of lube. 55 I can run about the same. I am scared to run wolff /steel case... I know...f-ing stupid..just a FUD fear in me.Comment
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So if it is a buffer weight what would you guys recommend? Currently I have just the stock carbine weight and spring. I haven't put it on a scale yet but I believe its 3oz. Is there a lighter weight? What about changing to a softer spring? Or maybe a combination of them?Comment
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Yea I've been temped lately since I got my AK and pretty much only buy wolf... Got me curious and I know man me too I call bs but I'm always like steel or brass steel or brass... Then I make some excuse why to pick brass but I'm just scared...
But recientley I've just been eh about my guns and want one to break... 7 guns and not a single malfunction in about 15k rounds total... I almost want one for once and I run my guns and am lazy with the cleaning now...
I'm thinking my next 5.56 buy is going to be some sort of steel to put my AR to the test and actually try to get a malfunction short of the dirt tests..Comment
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