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4/22/2019 5:32:20 PM
Posted: 3/31/2015 12:17:18 AM EDT
I don't know anything about piston system ARs. Would never pay for the overpriced HK 416 (upper). Who makes a good piston system in the US? Which are known and proven to be uber reliable?

Thanks
Link Posted: 3/31/2015 7:44:44 AM EDT
LWRC
Link Posted: 3/31/2015 7:48:59 AM EDT
i have a stag model 8 and its been a great gun. ive had it for years, its a little heavy. stag has a lifetime warranty and great c/s too
Link Posted: 3/31/2015 8:46:21 AM EDT
PWS offers a long stoke that's excellent and Adams Arms is probably the most popular short stoke. They have a lifetime warranty and their upper and kits are affordable
Link Posted: 3/31/2015 10:18:51 AM EDT
Adams Arms is American made. They offer built uppers and kits. With the kits you can build build an upper or retrofit an existing upper.

They are well respected and are an ARFCOM Industry Partner.

I have an upper that was built with an Adams Arms piston kit and have another kit which will be incorporated in the upper I am building.

In addition to being American made they are solidly built, reasonably prices and have a good reputation.

A piston upper will weigh more that one without a piston but if you are interested in a piston rifle you already know that. I consider that a worthwhile price to pay for keeping the gas out of the upper, BCG and my face. I shoot left handed so that is more of a consideration for me.

There is a rather limited selection of hanguards and rails that can be used with a piston. Check this out before you make a decision.
Link Posted: 3/31/2015 11:40:42 AM EDT
Originally Posted By TX_Aggie_97:
Which are known and proven to be uber reliable?

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PWS (Primary Weapons Systems)

HighSpeedSteel
Link Posted: 3/31/2015 3:36:47 PM EDT
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Originally Posted By MountainCur:
LWRC
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Mine hasn't choked yet. LWRCI does have an excellent reputation.

I see a lot of Adams Arms rifles posted in this forum. Good stuff for the money.

Link Posted: 3/31/2015 3:48:36 PM EDT
Link Posted: 3/31/2015 4:01:38 PM EDT
Well my money will go to syrac ordnance at some point.
Link Posted: 3/31/2015 4:53:32 PM EDT
Checkout LWRC and PWS you will be happy with either.
Link Posted: 3/31/2015 6:30:05 PM EDT
LWRC
Link Posted: 3/31/2015 6:55:44 PM EDT
LWRC, PWS, Colt (6940P)
Link Posted: 3/31/2015 8:29:15 PM EDT
I appreciate everyone's suggestions! This will give me quite a bit to consider.
Link Posted: 3/31/2015 9:42:56 PM EDT
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Originally Posted By endofdays:
i have a stag model 8 and its been a great gun. ive had it for years, its a little heavy. stag has a lifetime warranty and great c/s too
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This. I had a model 8T that I unfortunately parted ways with, but it was a good little rifle.
Link Posted: 3/31/2015 10:29:31 PM EDT
LWRC? Looked at the uppers $1500-$1700.
Do what you please, I got an Adams Arms upper on a Rock River lower from Cabelas for $650 in the gun library. The purchased a Adams Arms upper blem for $477 and stuck it on a Bushmaster lower for around $300. AR's are a wild deal, spend $600 or $3000.
Link Posted: 3/31/2015 11:38:46 PM EDT
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Originally Posted By TX_Aggie_97:
I appreciate everyone's suggestions! This will give me quite a bit to consider.
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Don't forget the Ruger SR556 - it's a very nice rifle.
Link Posted: 4/1/2015 1:09:25 AM EDT
PWS, light, well balanced, accurate, long stroke piston.....beautiful rifles and you really get your moneys worth. LWRC are nice as well but I think are overpriced for what you get.
Link Posted: 4/1/2015 1:24:27 AM EDT
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Originally Posted By HighSpeedSteel:


PWS (Primary Weapons Systems)

HighSpeedSteel
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Originally Posted By HighSpeedSteel:
Originally Posted By TX_Aggie_97:
Which are known and proven to be uber reliable?



PWS (Primary Weapons Systems)

HighSpeedSteel


Wrong. All of them to my knowledge have been proven to be extremely reliable.
Link Posted: 4/1/2015 1:31:49 AM EDT
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Originally Posted By JayC:


Don't forget the Ruger SR556 - it's a very nice rifle.
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Originally Posted By JayC:
Originally Posted By TX_Aggie_97:
I appreciate everyone's suggestions! This will give me quite a bit to consider.


Don't forget the Ruger SR556 - it's a very nice rifle.


+1 I've got a Ruger with 1000+ trouble-free rounds through it.
Link Posted: 4/1/2015 2:00:21 AM EDT
[Last Edit: 4/1/2015 2:04:03 AM EDT by HighSpeedSteel]
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Originally Posted By The_Evil_One:


Wrong. All of them to my knowledge have been proven to be extremely reliable.
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Originally Posted By The_Evil_One:
Originally Posted By HighSpeedSteel:
Originally Posted By TX_Aggie_97:
Which are known and proven to be uber reliable?



PWS (Primary Weapons Systems)

HighSpeedSteel


Wrong. All of them to my knowledge have been proven to be extremely reliable.


That's what I am saying. They are extremely reliable, and I think they are also the only long stroke piston system out there (for an AR platform gun).

Also, the fit, finish, and machining on all the PWS guns I have seen has been extremely high. I feel like they are one of the best kept secrets in the AR world.

HighSpeedSteel
Link Posted: 4/1/2015 2:20:11 AM EDT
[Last Edit: 4/1/2015 3:03:57 AM EDT by Aimless]
Wrong forum-aimless
Link Posted: 4/1/2015 2:30:41 AM EDT
[Last Edit: 4/1/2015 3:04:14 AM EDT by Aimless]
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@@@@
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Link Posted: 4/1/2015 7:24:35 AM EDT
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Originally Posted By HighSpeedSteel:


That's what I am saying. They are extremely reliable, and I think they are also the only long stroke piston system out there (for an AR platform gun).

Also, the fit, finish, and machining on all the PWS guns I have seen has been extremely high. I feel like they are one of the best kept secrets in the AR world.

HighSpeedSteel
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Originally Posted By HighSpeedSteel:
Originally Posted By The_Evil_One:
Originally Posted By HighSpeedSteel:
Originally Posted By TX_Aggie_97:
Which are known and proven to be uber reliable?



PWS (Primary Weapons Systems)

HighSpeedSteel


Wrong. All of them to my knowledge have been proven to be extremely reliable.


That's what I am saying. They are extremely reliable, and I think they are also the only long stroke piston system out there (for an AR platform gun).

Also, the fit, finish, and machining on all the PWS guns I have seen has been extremely high. I feel like they are one of the best kept secrets in the AR world.

HighSpeedSteel

ARAK21. Long stroke piston argument invalid sir.
Link Posted: 4/1/2015 10:02:38 AM EDT
[Last Edit: 4/1/2015 10:03:16 AM EDT by salsantini]
I've had no issues with the various LWRC rifles I own. They run well. good quality.
Link Posted: 4/1/2015 3:34:24 PM EDT
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Originally Posted By AdamsArms:
I mean, we're a little biased but.......
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Link Posted: 4/1/2015 10:17:03 PM EDT
The Sig 716 is a solid rifle......not as exotic as some others but runs well.


Link Posted: 4/2/2015 12:34:25 AM EDT
I Like a Sig 516 patrol.
Link Posted: 4/2/2015 10:32:17 AM EDT
I've been looking at the LWRC uppers on CDNN for awhile. They have the M6A2 uppers for $800-$1k
Link Posted: 4/2/2015 11:26:28 AM EDT
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Originally Posted By saburkha:
I've been looking at the LWRC uppers on CDNN for awhile. They have the M6A2 uppers for $800-$1k
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800 for an M6A2 upper? I would fo.
Link Posted: 4/2/2015 6:30:04 PM EDT
The Barrett REC7 often gets overlooked. Very pricey but also very high quality. I own the Gen II version with the slimmed down KeyMod rail and it has been running great for me. Couldn't be happier with it.
Link Posted: 4/3/2015 1:36:14 AM EDT
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Originally Posted By USAFgoober:
The Barrett REC7 often gets overlooked. Very pricey but also very high quality. I own the Gen II version with the slimmed down KeyMod rail and it has been running great for me. Couldn't be happier with it.
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They are also hard to find unless you special order them.
Link Posted: 4/3/2015 11:36:37 AM EDT
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Originally Posted By saburkha:
I've been looking at the LWRC uppers on CDNN for awhile. They have the M6A2 uppers for $800-$1k
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I picked up that $799 version a couple of days ago...didn't need the ones with sights. It's exactly what they say it is...complete LWRC product...not a parts build. It's also the later version with the one-piece BCG/op rod interface. Love the toolless removable top rail segment for service. I hooked mine up to a POF P415 complete lower they also had on sale that has the better drop-in trigger assembly. Seems like a good deal that basically yielded a $1200 LWRC rifle. I didn't find a new one on the internet with this setup or these features for less than $1800 in an LWRC. While my lower isn't LWRC, this particular POF lower definitely has no boogers on it.
Link Posted: 4/5/2015 5:52:48 PM EDT
I've got a LMT piston gun and am quite happy with it.
Link Posted: 4/26/2015 12:50:23 AM EDT
+1 on the Sig 516 patrol!
Link Posted: 4/26/2015 3:01:31 PM EDT
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Originally Posted By JayC:


Don't forget the Ruger SR556 - it's a very nice rifle.
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Originally Posted By JayC:
Originally Posted By TX_Aggie_97:
I appreciate everyone's suggestions! This will give me quite a bit to consider.


Don't forget the Ruger SR556 - it's a very nice rifle.


Once I put a Geissele SSA-E trigger in my Ruger SR 556 it started consistently shooting 5 shot 100 yard groups with 52 drain SMK's that ran about 0.6-0.7 moa much to my surprise.
Link Posted: 4/27/2015 7:41:17 AM EDT
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Originally Posted By SafetyFirst:
Checkout LWRC and PWS you will be happy with either.
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Here is a video comparison of LWRC and PWS https://youtu.be/tqiBVUJrrV0

Here is a look at SYRAC vs Adams Arms retrofit kits https://youtu.be/pNYK_8oFcss

There are several high quality reliable American made choices. Spend some time doing some research to see which one fits your needs and budget. AR15.com is an excellent source of information and experience from other like minded individuals.

mbell556
Link Posted: 4/28/2015 5:21:07 PM EDT
I also vote for LMT. Piston design is stupid simple and never had any issues with 5000 rounds
Link Posted: 4/28/2015 8:19:21 PM EDT
my sbr is a PWS that ive had for years, never had any issues and it runs like a tank...
Link Posted: 4/29/2015 5:04:13 PM EDT
I really like both of the Adams Arms pistons that I have and will be getting a third soon.
Link Posted: 4/30/2015 10:47:48 AM EDT
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Originally Posted By endofdays:
i have a stag model 8 and its been a great gun. ive had it for years, its a little heavy. stag has a lifetime warranty and great c/s too
View Quote


X100..great CS. I send them an email and get a response with in an hour. I have DD and HK guns..CS suks on them. Jeff at HK is getting better though.
Link Posted: 4/30/2015 4:31:47 PM EDT
LMT is rock solid runs like a swiss watch.
Link Posted: 4/30/2015 4:38:13 PM EDT
I have two Hogans. H308 and H223. Both are great shooters.
Link Posted: 5/1/2015 9:32:52 PM EDT
Got a Adams Arms. Runs great...no issues
Link Posted: 5/1/2015 9:46:44 PM EDT
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Originally Posted By MountainCur:
LWRC
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This.
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