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Thread: AR-15 DI to piston conversion?

  1. #31
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    Thanks guys. Not gonna change it none. Just gonna shoot it lol. But eventually I would like a piston ar. How do PWS and POF compare to others like Adams arms, colt 6940P, and a lwrc

  2. #32
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    Piston Conversion; Don't do it! I assembled an AR pistol & for the price of a gas block, bcg & rail I got an AA conversion w/ bolt. Had to buy the proprietary rec. bushing, 14.00, including ups shipping almost 30.00!!!!!. The weight difference doesn't seem like much on paper but it significantly upsets the balance of the gun. Imagine if a proprietary part breaks, $$$$ & the UPS delivery time to get you up & running.

  3. #33
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    Quote Originally Posted by dylank0723 View Post
    Do the piston rifles have carrier tilt or is it just with the conversions? And if so is there a way to prevent the tilt
    PWS and HK have solved the carrier tilt issue. Not sure about conversions.
    Reads a lot, posts little.

  4. #34
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    Quote Originally Posted by Vandal View Post
    PWS and HK have solved the carrier tilt issue. Not sure about conversions.
    Isn't the the addax kit a long stroke like the pws?

  5. #35
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    IIRC, addax used to use the original PWS system to retrofit DI guns. I don't believe they are still working together and everything I found in a quick google search was from 2009. They don't even show the kit still on their website.

    As I and other have said, keep the Colt set up as a DI gun and run it hard. If you decide you really want a piston driven rifle then I would go get the PWS or the HK. I prefer the long-stroke piston of the PWS over the short-stroke of the others, fewer moving parts as the piston is attached to the gas key. No springs or loose pistons floating around. Usually less weight up front too.

    Just read a post of yours above. I am not an expert on POF but them and LWRCi don't have a lot of love around here for many reasons. I looked at LWRCi because they make a great looking rifle. Then I started reading about them here and they made me never want to drop the cash on their stuff. Adams Arms is a conversion company that started building their own rifles, they seem to be alright but I don't have any hands on time with one. I know nothing of the Colt 6940P system other than I don't see many in use. Perhaps some others with Adams Arms and Colt piston experience will chime in to fill some of the holes I left.
    Last edited by Vandal; 02-02-15 at 17:58.
    Reads a lot, posts little.

  6. #36
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    Quote Originally Posted by Vandal View Post
    PWS and HK have solved the carrier tilt issue. Not sure about conversions.
    My BCM doesn't seem to have any carrier tilt.

  7. #37
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    Quote Originally Posted by turnburglar View Post
    My BCM doesn't seem to have any carrier tilt.
    Is it a conversion or a stock system?

  8. #38
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    Quote Originally Posted by dylank0723 View Post
    Is it a conversion or a stock system?
    BCM isnt dumb enough to make piston kits.

  9. #39
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    Quote Originally Posted by dylank0723 View Post
    Is it a conversion or a stock system?
    he is joking...making a point. DI carriers don't experience any appreciable carrier tilt. His point appears to be that external piston + op rod is a solution looking for a problem. His bcm is a DI gun. Moving on, I second the comments made regarding the added weight of an external piston. Its definitely noticeable. The SCAR, however, is nice and light. Seriously, if you're going to buy a second gun and want it to be a piston gun, take a long hard look at the SCAR. Its the only one worth messing with.

  10. #40
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    Delete
    Last edited by Leaveammoforme; 02-24-15 at 16:48. Reason: Ads

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