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how about one that has been refinished or nearly in need of refinishing?

i dont need a nice minty part, i need one that will see some use.

my priorities are thus:

usgi with bayo lug
commercial with lug

ive got a lug-less part but its just not the same...

david
 

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i got 2 NIT $100 plus shipping

RED DOT
 

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Discussion Starter · #8 ·
Thanks guys.I actualy ordered a gas cylinder from ORION7 today it was $89.00 bucks.Seemed like a fair price for it being new in wrapper.Thanks Ray
 

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The threads are metric on the gas plug and gas lock. I'm sure someone here has swapped the gas assembly. I was thinking of doing the same to my Polytech in the future. I'm glad you brought this up. DON'T try to put an American gas plug on a Taiwan gas cylinder. I guess, and this is just a guess, the barrel could be re-threaded for a USGI gas lock or just use the old gas lock. I hope someone who already did this will give us their results. My Polytech gas assembly works well still but looks bad. Big air voids all on the outside finish.
 

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ltdave said:
how about one that has been refinished or nearly in need of refinishing?

i dont need a nice minty part, i need one that will see some use.

my priorities are thus:

usgi with bayo lug
commercial with lug


ive got a lug-less part but its just not the same...

david
On the M14, the bayo lug is on the flash suppressor, below the front sight. If you wish to "fix bayonets", that's the part you'll have to change out. I believe the same thread caveat applies to the castle nut as the gas lock on the Polys, but someone who actually owns one would probably know for sure.
 

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Yes the threads are metric but very close to SAE size for F.S.. I found out the wrong way? I took the fake F.S. of my poly some ten years ago and put on a USGI one. After a few turns of the castle nut I noticed metal shavings. The castle nut started cuting new threads on the softer barrel. Just pick up a thread cutter before you install a USGI F.S. on your Poly Tech.
 

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yuetk,
I recently built my Norinco and put a GI gas system on it,in order for a GI gas cylinder to work on a chinese barrel,you need the a GI cylinder,plug and piston,the only part that wouldnt be GI would be the lock because of the metric threads,but it works fine my rifle runs like a Swiss watch now.
Good Luck,
Nate
 
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