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Thread: Coworker bought an Adam's Piston AR

  1. #21
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    Quote Originally Posted by Arctic1 View Post
    Both incorrect.

    How do you quanitfy the first, and how do you attribute the second to the operating mechanism of the gun?

    If the gun is heavier due to the addition of a piston, this results in LESS recoil energy. If the piston system changes the amount of gas entering the system and used to cycle the action rod, thereby increasing the velocity of the reciprocating parts of the gun, felt recoil, ie how recoil is perceived by the shooter, can change. Recoil, Conservation of momentum as per physics, is not affected by this.

    With regards to accuracy, how does the piston and rod affect accuracy? Seeing as the bullet is out of the muzzle before the piston moves to the rear. Or do piston guns unlock with the projectile still in the barrel? If accuracy is poor, it can be due to a poorly manufactured barrel or bad crown specific to a brand, but does not automatically apply just because it is a piston gun.

    In my opinion, shooter ability plays a much bigger role in recoil control and accuracy, than hardware or design, with the AR platform in 5.56.
    I agree shooter ability plays a big role. A lot also has to do with the barrel length,twist,grooves,bullet weight and powder charge. Learned this over many years of reloading. Recoil and weight of the weapon go a long way too.
    Give Me the Eyes of an Eagle.The Courage of a Lion and the Balls of a Combat Helicopter Pilot. ΜΟΛΩΝ ΛΑΒΕ

  2. #22
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    I guess I'll be one of the few who actually likes the idea and concept of piston guns. While I don't presently own any piston guns, I have owned an LWRC upper along with a few different AA piston kits and I really like them. Are the necessary for what I do? No, but I do feel more comfortable using steel cased ammo than I would in a DI gun. Ironically both of my current uppers are DI guns.

  3. #23
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    Quote Originally Posted by Devildawg2531 View Post
    I asked him why he didn't ask me about the gun before he bought and he said he had done research.
    At the end of the day you can't save people from themselves. I've had three guys ask me for input on buying an AR. I told all three to start with a 6920, and two of the three did. The other was originally obsessed with buying a piston, so I visited a gun shop with him and put a 6920 in his hands and at that point he seemed to "get it." Long story short, he ignored all advice and ended up buying a DI frankengun that blew up in his face on his first outing to the range with it -- luckily he wasn't injured.
    “Live free or die; death is not the worst of evils.”
    - General John Stark, July 31, 1809

  4. #24
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    Quote Originally Posted by Iraqgunz View Post
    DI vs. Piston and advice not heeded, etc... As Red Jacket would say "N'ver Been Done Befo". One thing I always tell people to keep in the back of their minds. Anything like a piston AR or whatever that makes use of proprietary components has the potential of going under/ weapons ban, etc.. and then you will be hostage to the prices for whatever parts are on the market.
    That's why I have always kept extra parts on hand,keep well stocked and stick with known quality and reliable weapons. Out here in the "Boondocks" part orders can be days,weeks away and my LGS is a 2 hour round trip.
    Give Me the Eyes of an Eagle.The Courage of a Lion and the Balls of a Combat Helicopter Pilot. ΜΟΛΩΝ ΛΑΒΕ

  5. #25
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    Quote Originally Posted by SanDiegoLMT View Post
    I guess I'll be one of the few who actually likes the idea and concept of piston guns. While I don't presently own any piston guns, I have owned an LWRC upper along with a few different AA piston kits and I really like them. Are the necessary for what I do? No, but I do feel more comfortable using steel cased ammo than I would in a DI gun. Ironically both of my current uppers are DI guns.
    I've never been one to walk around with blinders on and be a "Fanboy" of anything in particular. I like my S&W M&P,s (handguns and MSR's) I also have a fair number of Colts,Ruger's,Remington's and a few other High end weapons in my collection. I have found nothing wrong with the piston driven MSR's (AR's) and have also moved up to the MSR's in 308. Not much standard/compatable getting into the 308 MSR's (my standard is they (308) can use the same PMag-Magpul mags. Anyway,I do enjoy the piston driven weapons and think we will be seeing more people adding them (not replacing DI's) as time goes on. "Most" of the people I have asked about them,have never even held one let alone shot one. It's always been "Well it's what I was told or read about them" is why I don't like them.
    Give Me the Eyes of an Eagle.The Courage of a Lion and the Balls of a Combat Helicopter Pilot. ΜΟΛΩΝ ΛΑΒΕ

  6. #26
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    Reminds me of the term "Askhole", they ask for your thoughts and go there own way anyway.

  7. #27
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    I too find my myself limiting the advice I offer to people who seem to actually be willing ask for it...what they do with it after that is their business.

    As for AA...I do not own one, or any piston for that matter, but I have toured their plant here in FL, and I have participated in a T&E of one of their uppers. They certainly seem to me to a quality operation making quality products and I don't think I would be upset with someone for buying one of their rifles. Now they could have been lying to me, but from what I was told, their return rate is extremely small, and they said about half of what is returned wasn't working properly due to user error, things like wrong buffer weight, etc.

  8. #28
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    All your piston hate aside Adams Arms stuff is good to go. I have 3 AA uppers, one of has been being ran for about the last 4 years and has around 7k through it...no issues. If you are buying a piston gun AA is a good choice.

    I DO NOT get paid for my reviews.

  9. #29
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    Quote Originally Posted by Hysteria View Post
    Reminds me of the term "Askhole", they ask for your thoughts and go there own way anyway.
    Often because we are unable to provide a compelling supporting argument. Just because we don't convince them doesn't mean that they're stupid. It might mean that we are wrong.
    Last edited by Hmac; 04-06-14 at 11:45.

  10. #30
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    The product of my research when I wanted to buy my first AR (post deployment, so I had money to burn) was an LWRC. It shoots great, and I've taken it to some courses and a competition or two, but my God is it heavy... the thing is an absolute boat anchor compared to my DI gun.

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