AR15 has pretty bad accuracy?

AR15 accuracy

  • Minute of crown vic is decent for a cheap upper

  • Minute of fat bunny or cat is more what it should look like, even on a cheap one

  • My yugo ak47 shots better when full of mud, you got problems

  • My smooth bore 12 gauge slings rifled slugs better than that, you may have a problem

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d2wing said:
I had a similar problem with a PSA. Turned out the PSA bolt, and BCG were out of spec. The BCG or bolt would hang up giving very erratic shots. I tried polishing it but had no luck. I replaced the bolt and BCG with BCM parts and groups tightened up nicely. There are a number of things that have to fit right for an AR to work. I used to think that cheap parts were the same as expensive parts. PSA cured me of that. I don't care how popular they are.
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I guess that you don’t know that PSA sell a premium line and that they have a lifetime warranty on all the parts they sell. Their premium BCGs and barrels are made by FN. Do we know who makes parts for BCM?
I have built guns from their standard parts and their premium parts and have never had any issues. My buddy built his first rifle with one of their Freedom kits. He ended up having feeding issues. He sent the upper back and they replaced the barrel, no more issues.
 
d2wing said:
I had a similar problem with a PSA. Turned out the PSA bolt, and BCG were out of spec. The BCG or bolt would hang up giving very erratic shots. I tried polishing it but had no luck. I replaced the bolt and BCG with BCM parts and groups tightened up nicely
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Toolcraft makes the carriers and FN supplies the bolts for PSA, two companies known for their quality AR parts.

Again I would strongly urge the OP to consider a phone call before proceeding with more chopping or grinding. If they send you a replacement I would also recommend shooting it before modification and, if satisfied, make sure the fsb is supported properly before chopping it.
 
My PSA upper with 1 x 7 using 55 gr 5.56 IMI is about 1.5 inch at 50 yrds using A2 rear sight.. I havent tried at 100 yrds.. And my eyes are middle age now.. So i think thats good enough.. I dont worry too much how accurate it is considering its open sights.. My AR is for the SHTF and protection of life and limb..
 
GunnyUSMC said:
I guess that you don’t know that PSA sell a premium line and that they have a lifetime warranty on all the parts they sell. Their premium BCGs and barrels are made by FN. Do we know who makes parts for BCM?
I have built guns from their standard parts and their premium parts and have never had any issues. My buddy built his first rifle with one of their Freedom kits. He ended up having feeding issues. He sent the upper back and they replaced the barrel, no more issues.
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I called them and they would not do anything about it. I had problems with other out of spec parts from them too. They did not respond to requests for service. I don't know why I got junk and you didn't. Why someone else got good service and I did not. One of life's mysteries I guess. Meanwhile I will buy parts elsewhere.
I will say I was happy with the accuracy once the bugs were fixed and it was broken in. The barrel seems to be high quality. I should have stopped there.
 
d2wing said:
I called them and they would not do anything about it. I had problems with other out of spec parts from them too. They did not respond to requests for service. I don't know why I got junk and you didn't. Why someone else got good service and I did not. One of life's mysteries I guess. Meanwhile I will buy parts elsewhere.
I will say I was happy with the accuracy once the bugs were fixed and it was broken in. The barrel seems to be high quality. I should have stopped there.
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Please expand and give some details?
 
But d2..... was your bolt carrier causing accuracy as bad or similar to the ops. 4 inches at 25 yards scoped? Ive never experienced that and it's pertinent to the op.
If so then next time someone uses the search function about a similar issue they may find their answer.
I'm not bashing or taking up for any company. I have both, highest tier rifles And I have a couple Olympic and Anderson's (no psa but I won't say i never will). I'm only curious to what other things, beside loose optic and loose barrel can cause 4 inches at 25 yards. I have a retired gallery smoothbore winchester pump 22 that will do that good.

Everything ive read listed on this thread will cause accuracy issues, no doubt. But most of it will be minor in comparison to the foot and a half at 100 this rifle is getting. Again...has anyone here actually seen a scoped rifle shoot 4 inches at 25 yards without something badly loose.
 
crestoncowboy said:
...
Everything ive read listed on this thread will cause accuracy issues, no doubt. But most of it will be minor in comparison to the foot and a half at 100 this rifle is getting. Again...has anyone here actually seen a scoped rifle shoot 4 inches at 25 yards without something badly loose.
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Only when I shoot my 10/22... :rofl:
 
FWIW, I have a PSA kit I put together that has shot some pretty nice groups, actually shoots better than some of my bolt guns. I really should put a better trigger in it.
 
As others have said something is loose or you have a bad scope. Have someone else shoot it to a eliminate operator error as possible cause. Nothing shoots that bad.
 
crestoncowboy said:
But d2..... was your bolt carrier causing accuracy as bad or similar to the ops. 4 inches at 25 yards scoped? Ive never experienced that and it's pertinent to the op.
If so then next time someone uses the search function about a similar issue they may find their answer.
I'm not bashing or taking up for any company. I have both, highest tier rifles And I have a couple Olympic and Anderson's (no psa but I won't say i never will). I'm only curious to what other things, beside loose optic and loose barrel can cause 4 inches at 25 yards. I have a retired gallery smoothbore winchester pump 22 that will do that good.

Everything ive read listed on this thread will cause accuracy issues, no doubt. But most of it will be minor in comparison to the foot and a half at 100 this rifle is getting. Again...has anyone here actually seen a scoped rifle shoot 4 inches at 25 yards without something badly loose.
Click to expand...

It wasn't that bad. It was very erratic. I don't recall exactly but it would print 2 shots within a couple inches and the rest all over the target at 100 yards I don't remember how big the pattern was but at least six inches. The OP may have a different problem but I posted as it is one more thing to check. I have no idea what is wrong but it is likely a combination of things. Just contributing to the knowledge base. As It took me a long time to track down the tight bolt issue. The bolt should move in the carrier without any drag, in my case changing bolts did not help.. The interior of the BCG was too tight..
 
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GunnyUSMC said:
I guess that you don’t know that PSA sell a premium line and that they have a lifetime warranty on all the parts they sell. Their premium BCGs and barrels are made by FN. Do we know who makes parts for BCM?
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True, but BCM tends to have better quality control. Everybody gets barrels and BCGs from the same guys but not everybody goes through the effort of making sure the components they get are made to their specifications and assembled properly.

There's a reason why brand A costs more than brand B.
 
1KPerDay said:
Nothing to add, just wanted to give you props for installing a $1100 scope on a <$300 rifle. I usually do the opposite. :D
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I was unaware that was ever an $1,100 scope.
I got mine while I was in Afghanistan in 2010 and I paid about 2/3 of that number.
I got mine from brownells (so I know it's not a knockoff) with a coupon while it was on sale.
I was going to put it on my mini14, but could never find a scope mount for it.
Then it sat in a box for almost 9 years.
 
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Jesse H said:
True, but BCM tends to have better quality control. Everybody gets barrels and BCGs from the same guys but not everybody goes through the effort of making sure the components they get are made to their specifications and assembled properly.

There's a reason why brand A costs more than brand B.
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There is a 16 inch upper with bolt made by armalite that looks identical to this one, minus the parts kit and possibly has a different BCG for $450.
I bet for $450 it could damn near put the rounds through the same hole at 25 yards.

With my bolt action 22mag there's no point in shooting it at 25 yards, the rounds just make 1 raggedy hole.

I was just trying to get the rifle on paper. Here it's been really cold or really windy or both on the days I have off.
 
Texas10mm said:
It would be ironic if in cutting off the front sight the barrel because damaged.
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I don't see how.
I used a 6 inch cut off wheel in a grinder.
The A frame didn't appear to be under any stress, it didn't pinch the wheel or spread when I made the first cut.
Not like I cold chiseled it off.
 
748 said:
I was just trying to get the rifle on paper. Here it's been really cold or really windy or both on the days I have off.
Click to expand...
Wait for a nice day to go shooting. I hate shooting in the cold.
748 said:
I don't see how.
I used a 6 inch cut off wheel in a grinder.
The A frame didn't appear to be under any stress, it didn't pinch the wheel or spread when I made the first cut.
Not like I cold chiseled it off.
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HEAT. When cutting metal with a cutoff wheel you create heat. The faster you cut the more heat you create. I know that barrels get hot when you shoot but not in just one spot.
 
GunnyUSMC said:
Wait for a nice day to go shooting. I hate shooting in the cold.

HEAT. When cutting metal with a cutoff wheel you create heat. The faster you cut the more heat you create. I know that barrels get hot when you shoot but not in just one spot.
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I'm pretty sure that would not be enough heat to distort a barrel sufficient to cause erratic accuracy.
 
I can't imagine parallax causing a 4" spread at 25 yards. At 100 yards, sure, at the extreme end of parallax if your cheek weld is all over the place.
 
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