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Thread: Piston Rifles?

  1. #31
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    Quote Originally Posted by NightFighter View Post
    At this point in time from what I have read and heard the LMT is the rifle for a person of my level of experience. I have looked at the ADS and did not know about the Defensive Edge rifles until you mentioned them in this post. I will have to take a look at them later. The KAC, Sabre Defence and Noveske are rifles I will look at when I know which end is the safe end and which end is the dangerous end of an AR I do want to thank you for answering my questions about the comparison chart. Help when someone just points me in the right direction.
    LMT makes great guns and supplies components to most of the big names in the industry. An LMT Carbine will serve you well.

    Stephen

  2. #32
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    HMMMMMMM

    Quote Originally Posted by Stephen_ATS View Post
    -elimination of "powder eye" caused by gas leakage around charging handle (Slight increase when shooting suppressed, but still much, much better than suppressed DI gun)

    I have two LWRC Carbines and I have never been as impressed with a weapon system. I've got one of the LWRC 8" PSDs on order as well. Admittedly, they don't make a lot of sense if you've already got a carbine with a mid-length gas system, but you'll be amazed at the difference between a carbine length DI gun and a piston carbine.

    Stephen
    I have never heard of"powder eye" is it something that can cause vision problems down the road?
    So your opinion is that piston rifles are best for shorter barrle rifles? Do you think the 10.5" piston rifles is the best length? What ammunition would you use in a 10.5" piston rifle and why?

    Now I am caught up in the whirl pool again

  3. #33
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    Quote Originally Posted by Stephen_ATS View Post
    I met the shooter that had issues with his LWRC Carbine at a recent Pat Goodale Carbine course and he explained the problem to me in detail. He had an early group buy gun that used a standard roll pin to hold the fixed piston nozzle in place. It broke early on in the course and as the nozzle got looser and looser he started experiencing malfunctions culminating in a down gun. This is an issue that LWRC had diagnosed and they now use a solid pin that is hydraulically pressed into place. The shooter ran the same gun, repaired of course, in the class we had together without any mechanical issues.

    Of the 14 students at that Pat Goodale class, 12 were using LWRC Carbines and the only issues experienced were ammo related. When using Wolf ammo, the primer sealant can build up in the firing pin channel and cause light or no primer strikes. Two of their guns had to be cleaned during the lunch break to get all the build up removed. There were no parts breakage or gun attributed malfunctions during the class. I had some mild suppressor issues as well because I wasn't using the factory supplied H2 buffer.


    Just FYI

    Stephen
    Thanks for the clarification of those issues

  4. #34
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    Nightfighter,

    I've had great results with my gas-piston carbine (POF). Last winter, I attended a 5-day carbine course at Blackwater. It rained most of the time, my carbine remained dirty and gritty, and we shot almost 3,000 rounds during the course of the week. I did not clean my carbine at all during the week, AND I was shooting Wolf ammo. I only had 3 soft malfunctions towards the end of the week, which a simple tap-rack resolved. Others in the class were cleaning their carbine everynight, and some were still having malfunctions.

    Brian

  5. #35
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    Quote Originally Posted by NightFighter View Post
    I have never heard of"powder eye" is it something that can cause vision problems down the road?
    So your opinion is that piston rifles are best for shorter barrle rifles? Do you think the 10.5" piston rifles is the best length? What ammunition would you use in a 10.5" piston rifle and why?

    Now I am caught up in the whirl pool again
    It is highly unlikely to cause any vision problems down the road and is mostly an annoyance. When shooting DI Carbines the gas that is channeled back through the gas tube often continues along the slot for the charging handle where it vents between the charging handle and upper receiver. This is the spot where most shooters have their dominant eye lined up with the optic. The problem can be worse when low quality ammo is used. Piston guns don't do this.

    For someone buying their first AR15 I highly recommend a factory Colt 6920. It is a good solid carbine at a decent price and will probably give you excellent service for many generations. The LWRC 16" is also a good choice, but will cost you more up front. If you're looking at any barrel length 14.5" or shorter a piston carbine is the only way to go.

    I shoot any ammo I can get my hands on these days. The last carbine course I took was a mix of Radway Green and Prvi Partisan for 5.56mm.

    Stephen

  6. #36
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    Quote Originally Posted by Stephen_ATS View Post
    It is highly unlikely to cause any vision problems down the road and is mostly an annoyance. When shooting DI Carbines the gas that is channeled back through the gas tube often continues along the slot for the charging handle where it vents between the charging handle and upper receiver. This is the spot where most shooters have their dominant eye lined up with the optic. The problem can be worse when low quality ammo is used. Piston guns don't do this.
    And if you're wearing proper shooting glasses, which is prudent when shooting any firearm, this really isn't an issue. I put several thousand rounds a year through my DI guns and I've never had this problem. I get a good whiff of gas once in a while, but that's it.

  7. #37
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    Quote Originally Posted by DRich View Post
    And if you're wearing proper shooting glasses, which is prudent when shooting any firearm, this really isn't an issue. I put several thousand rounds a year through my DI guns and I've never had this problem. I get a good whiff of gas once in a while, but that's it.
    What suppressor and what barrel & gas system lengths?
    Randall Rausch
    AR15 Barrel Guru
    California Precision Rifle Club founding member

  8. #38
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    Quote Originally Posted by AR15barrels View Post
    What suppressor and what barrel & gas system lengths?
    Doesn't matter if I'm shooting my 20" match rifles or 10.5 SBR w/ AAC M41k. I've yet to get powder in my eyes because I always wear eye protection. It's not rocket science.

    A harmless puff of gas in your face is a hell of a lot different than getting particulate matter in your eyes.

  9. #39
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    Quote Originally Posted by Stephen_ATS View Post
    If you're looking at any barrel length 14.5" or shorter a piston carbine is the only way to go.

    Stephen
    Huh... that's funny. Why is that? My 10.5" and 14.5" LMT's run great suppressed or unsuppressed.

  10. #40
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    Quote Originally Posted by DRich View Post
    Doesn't matter if I'm shooting my 20" match rifles or 10.5 SBR w/ AAC M41k. I've yet to get powder in my eyes because I always wear eye protection. It's not rocket science.

    A harmless puff of gas in your face is a hell of a lot different than getting particulate matter in your eyes.
    I find the gas to the face annoying when shooting suppressed AR's
    The PRI gas buster helps as would that little nylon flap (tactical taylor?) that covers the rear of the receiver.

    I never even notice any gas to the face when there is no suppressor involved.
    Randall Rausch
    AR15 Barrel Guru
    California Precision Rifle Club founding member

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