Thank you ! I also discovered this later on in the thread. Magpul is right on top of the AR market.
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Thank you ! I also discovered this later on in the thread. Magpul is right on top of the AR market.
clandestine
AR-15 Savant
It was nice of you you post your experiences with the PA10. The SLR adjustables and Tubb Springs are an improvement.
I also wrote a less detailed summary about PSA10's.
I will note some things that I know to be factual about them.
Nickle Boron is the worst coating that can be applied to a Bolt or Carrier. I would prefer a BCG in the white than with NiB. I did a huge writuo about NiB.
PSA over torques many of their barrel nuts.
PSA uses YFS fasteners for Gas Keys. They are inferior and will likely shear off.
The chambers on PA10 are cut to .308 Headspace Specs, some even shorter. Firing 7.62 NATO from it can result in problems. They are not cut for NATO Ammo, which has a longer headsapce spec.
I also wrote a less detailed summary about PSA10's.
I will note some things that I know to be factual about them.
Nickle Boron is the worst coating that can be applied to a Bolt or Carrier. I would prefer a BCG in the white than with NiB. I did a huge writuo about NiB.
PSA over torques many of their barrel nuts.
PSA uses YFS fasteners for Gas Keys. They are inferior and will likely shear off.
The chambers on PA10 are cut to .308 Headspace Specs, some even shorter. Firing 7.62 NATO from it can result in problems. They are not cut for NATO Ammo, which has a longer headsapce spec.
Bfoosh, I really appreciate all your effort and time in this thread/project. IMHO, this thread tells me NOT to purchase a PSA GenII AR-10 ! It looks like you could have just built one and been better off, or paid up front for a rifle that didn't need all the attention. What are your feelings ? Thanks again !
I would like to read your review... can you post a link ?
NIB coating.. well that was what was supplied.. I have numerous other BCG's in AR15's and they have served me well.
I will say after Criterions comments... I think I will move to Nitrated from now on.
I have read numerous time PSA over torques barrel nuts... I have a plan based on others experiences.. So wish me luck..
YFS fasteners... does PSA use them on all their BCG's ( AR15 and AR10 ) ?
I have numerous BCG's from PSA, many thousands of rounds fired using them.. no issue.
Both the chambers ( Nitrated barrel and the SS barrel ) would not close on a "No-Go gage"... I might have to buy the "Go gage"
Honestly, so far none of the NATO and USGI 7.62x51 ammo has given me any issues.
Thank you for your input ! ( and I hope none of my responses came across as curt, as there was no intent of that )
clandestine
AR-15 Savant
I would like to read your review... can you post a link ?
NIB coating.. well that was what was supplied.. I have numerous other BCG's in AR15's and they have served me well.
I will say after Criterions comments... I think I will move to Nitrated from now on.
I have read numerous time PSA over torques barrel nuts... I have a plan based on others experiences.. So wish me luck..
YFS fasteners... does PSA use them on all their BCG's ( AR15 and AR10 ) ?
I have numerous BCG's from PSA, many thousands of rounds fired using them.. no issue.
Both the chambers ( Nitrated barrel and the SS barrel ) would not close on a "No-Go gage"... I might have to buy the "Go gage"
Honestly, so far none of the NATO and USGI 7.62x51 ammo has given me any issues.
Thank you for your input ! ( and I hope none of my responses came across as curt, as there was no intent of that )
I thought it was a great write up. My line of expertise is AR's, I tend to not like AR10 type platforms because there is no industry standard.
The gauges can be costly, but are well worth the investment.
Here is my post about the PA10
https://www.mdshooters.com/showthread.php?t=212322
Honestly.. I like the rifle.
Trying to build an AR10 can be confusing... there is no "Mil-Spec" so parts inter changeability can be a pita.... something I didn't want. If I had bought a complete AR10.... it most likely would have been a Savage... ( I hate the stock and grip.. furniture , etc.. so I would have bought upgrade anyway)
I think it is a heckuva deal and do not mind tinkering. ( I honestly can't leave most of my firearms alone.. better triggers, better barrels, the stock I want, ... so none of those needed to be done... )
I did buy everything on sale ... so it was a bargain... Lol ( A bargain is... a great deal on something you don't need ... )
I do think the Adjustable gas block is a wise purchase... it truly changed it from a Linda Blair ( Exorcist ) shooting rifle into a ***** cat.
It meets all my expectations for a $700 "entry" .308 rifle.
I do want the better accuracy.. hence the Criterion barrel
But.... if some one is looking for a "decent" .308 AR, truck Gun ?! , I would recommend the PSA
I do think PSA needs to address the gas tube to barrel nut issue.
That will, sooner or later, become an problem.
Would I buy one again
Range day 18" SS Upper....
First off... The PSA SS upper run 100%.... no issues at all
The D&H 20 and 10rd mags function perfectly... and by the end of the day, they both were dropping free.
I have some IMI 20rders on order as well as a 20rd C Products.
Accuracy results.... all targets are fired at 100yds , solid benched, scoped ( PA 4-14x44 ), bagged front and squeeze bag on the back.... I prefer to shoot mildly rapidly, so, no barrel cooling between shots ( it is a MSR , Lol.. so I shoot it in the manner it was intended to be used )
This barrel demonstrates how different barrels can be.. the result were quite different between this stainless and the nitrated one.
Generally speaking... the SS barrel I have is more accurate, with a greater variety of the tested ammo.... Some of it was dramatically more accurate.
The first group of the day was a great start...
First photo
Some of the "sanitized" DAG / MEN ammo SGAmmo was selling ( groove cut around the head of the cartridges rim , removing most of the head stamp ) Great group IMHO, especially considering the ammos cost.
2nd Photo..... Hirtenberger '83
3rd Photo....168gr FGMM ....shot about the same as the Nitrated barrel.
4th Photo.... M118LR... I have hope for this ammo, after the barreled settled into it .. it started shooting those touching rds sub groups.
First off... The PSA SS upper run 100%.... no issues at all
The D&H 20 and 10rd mags function perfectly... and by the end of the day, they both were dropping free.
I have some IMI 20rders on order as well as a 20rd C Products.
Accuracy results.... all targets are fired at 100yds , solid benched, scoped ( PA 4-14x44 ), bagged front and squeeze bag on the back.... I prefer to shoot mildly rapidly, so, no barrel cooling between shots ( it is a MSR , Lol.. so I shoot it in the manner it was intended to be used )
This barrel demonstrates how different barrels can be.. the result were quite different between this stainless and the nitrated one.
Generally speaking... the SS barrel I have is more accurate, with a greater variety of the tested ammo.... Some of it was dramatically more accurate.
The first group of the day was a great start...
First photo
Some of the "sanitized" DAG / MEN ammo SGAmmo was selling ( groove cut around the head of the cartridges rim , removing most of the head stamp ) Great group IMHO, especially considering the ammos cost.
2nd Photo..... Hirtenberger '83
3rd Photo....168gr FGMM ....shot about the same as the Nitrated barrel.
4th Photo.... M118LR... I have hope for this ammo, after the barreled settled into it .. it started shooting those touching rds sub groups.
9th Group Photo... 2016 MEN.. The nitrated barrel did better with this one.
10th Group Photo....Eagle Eye 175gr ... One of the best groups of the day.
11th Group Photo... ZQI Ball... still sucks, I gave up after a 5 shot group over 5" ish, based on the previous results. Why waste the barrels life.. Lol
12th Group Photo... TAP "AR" ...much better in the SS, then the nitrated barrel.
13th Group Photo... Federal 130gr OTM.. pretty good for such a unique bullet design.
10th Group Photo....Eagle Eye 175gr ... One of the best groups of the day.
11th Group Photo... ZQI Ball... still sucks, I gave up after a 5 shot group over 5" ish, based on the previous results. Why waste the barrels life.. Lol
12th Group Photo... TAP "AR" ...much better in the SS, then the nitrated barrel.
13th Group Photo... Federal 130gr OTM.. pretty good for such a unique bullet design.
This is the stay tuned part.... even after a full days worth of shooting , a filthy gun and barrel....
Just because the first group was so good.. ( the sanitized German ammo and a brand new , clean barrel ) , I decided it would be prudent to fire another group with it just to be certain it wasn't a fluke... again mildly rapid fire, shoot, back on target within 1-2 seconds, fire..
20rds.
Sad part is.. that surplus has dried up.
Just because the first group was so good.. ( the sanitized German ammo and a brand new , clean barrel ) , I decided it would be prudent to fire another group with it just to be certain it wasn't a fluke... again mildly rapid fire, shoot, back on target within 1-2 seconds, fire..
20rds.
Sad part is.. that surplus has dried up.
Well.... so ultimately... the nitrated barrel will be coming off and be replaced with the Criterion Barrel.
I do think the PSA barrels performed at their price point..... but for me ( and YMMV ) I do want better accuracy.
I will try to change them as quickly as possible... I am anxious to see the accuracy improvement.
PSA ... please note... if there is an easy way to remove your barrel nut... this would be when I like to know it.
I am a little concerned about messing upper my upper... everything I have read says that your gunsmiths are known for " just a little tighter...)
Frankly, even a you'll be fine would be appreciated.
I do think the PSA barrels performed at their price point..... but for me ( and YMMV ) I do want better accuracy.
I will try to change them as quickly as possible... I am anxious to see the accuracy improvement.
PSA ... please note... if there is an easy way to remove your barrel nut... this would be when I like to know it.
I am a little concerned about messing upper my upper... everything I have read says that your gunsmiths are known for " just a little tighter...)
Frankly, even a you'll be fine would be appreciated.
Sirex
Powered by natural gas
I am not super knowledgeable about PSA rifles, but their AR15 went thru a rigorous, scientific, torture test and fared well except failing the Jdam test. I would think the PSA10 would be built just as well, no?
https://www.youtube.com/watch?v=SkrewCcLDW0
https://www.youtube.com/watch?v=SkrewCcLDW0
clandestine
AR-15 Savant
I would put some kroil oil or pb blaster in the barrel nut and let it soak. PSA does not always use Areoshell or Grease on the threads and removal can be problematic.
As far as a tool, the best one is the KAC. It's like the Geissele reaction rod but it works on .308 AR's and 5.56 AR's.
I've got some Kroil around here somewhere.. good thinking ! Thank You !
I forgot about the KAC ...
I just went to look for a KAC tool and they are listed as out of stock everywhere
But, I saw in the notes that it wasn't compatible with standard AR's?
Did you have to modify yours?
clandestine
AR-15 Savant
I just went to look for a KAC tool and they are listed as out of stock everywhere
But, I saw in the notes that it wasn't compatible with standard AR's?
Did you have to modify yours?
No mods needed thus far. Locks in 5.56 AR Uppers and .308 Uppers.
I'll have to keep an eye out for when they come back in stock. I have a Geissele for 5.56 and don't really need one for .308, but it'd be nice to have.
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