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11/22/2017 10:05:29 PM
Posted: 9/17/2004 9:53:14 AM EST
I have been hearing a lot of talk of new AR gas piston uppers but haven't seen any being sold yet. Are any companies making these or selling them?
Link Posted: 9/17/2004 9:59:55 AM EST
Kurt from KKF, reportedly, but haven't seen a review yet.
Link Posted: 9/17/2004 10:04:22 AM EST
Link Posted: 9/17/2004 10:23:42 AM EST
I think Top Crest was selling some of his gas piston uppers at one point. I don't know if he's still doing that though - you might want to search the E.E. for his post.
Link Posted: 9/17/2004 10:25:53 AM EST

Originally Posted By Princeton:
www.zmweapons.com/index.htm



The ZM is not a piston upper. thats been said like a gazillion times.
Link Posted: 9/17/2004 10:41:30 AM EST

Originally Posted By photoman:

Originally Posted By Princeton:
www.zmweapons.com/index.htm



The ZM is not a piston upper. thats been said like a gazillion times.



yep, Forward operating rod/spring, no conventional rear buffer, conventional dirty direct gas impingment.

But NO gas piston, sadly
Link Posted: 9/17/2004 10:52:57 AM EST
OOOPS! My mistake. Sorry.
Link Posted: 9/17/2004 10:57:17 AM EST
wasn't there something called "Rhino Rod" or something?

Link Posted: 9/17/2004 11:08:27 AM EST
[Last Edit: 9/17/2004 11:09:33 AM EST by Ridge]

Originally Posted By _DR:

Originally Posted By photoman:

Originally Posted By Princeton:
www.zmweapons.com/index.htm



The ZM is not a piston upper. thats been said like a gazillion times.



yep, Forward operating rod/spring, no conventional rear buffer, conventional dirty direct gas impingment.

But NO gas piston, sadly



It's a Morris-type system, not conventional, not as dirty, but not a piston!



Gas piston uppers:

Top Crest was selling some, and I believe the POF is either available or getting close.


I guess the short answer to your question is. No they are not readily available yet.
Link Posted: 9/17/2004 12:39:03 PM EST
There is a group buy being organized over on E-E for the weapons we've been testing.
HFG
Link Posted: 9/17/2004 1:05:09 PM EST
I can't find it. Link?

Damn, I have been wanting some photos of that thing for a long time. This ought to be interesting.
Link Posted: 9/17/2004 1:33:27 PM EST
Don't know how to link but it's titled: Leitner-Wise Piston Driven Upper.
HFG
Link Posted: 9/17/2004 2:04:33 PM EST
I bought one of Topcrest's piston uppers. I've put quite a few rounds through it with no malfunctions. Even shooting the old Wolf crap and the Silver Bear with all kinds of red goo. He used a CavArms chrome bore lightweight 1/9 barrel, and it uses the Predator handguard rail system. It's simple and rugged, not like the gas piston set-ups similar to the HK design. I wouldn't trade or sell it.
Link Posted: 9/17/2004 2:07:09 PM EST
Does anyone have any photos of this?
Link Posted: 9/17/2004 2:13:11 PM EST
Call POF-USA and get the take on theirs. It should be out very soon.

-Cap'n
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