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Site News Could You Have Stopped This? Vegas Shooting Analysis with Attorneys on Retainer
11/2/2004 3:31:41 PM EDT
On a Colt 635 upper. Info is appreciated.
11/2/2004 3:36:06 PM EDT
[#1]
I guess I need to read the FAQ. I found my answer.
11/2/2004 5:39:28 PM EDT
[#2]
Yeah that is Colt's.  FWIW Oly is ...... 1/2X28.......  Guess whose 9mm pistol can is 1/2X28 and threads right on to his brand new 9MM Oly upper.    


What a pleasant suprise.

Debo
11/3/2004 10:31:28 AM EDT
[#3]
1/2x28 is the thread for a .223 upper.  9mm is different to prevent someone from getting hurt by putting a .223 FH on a 9mm Barrel.  I think the 9mm thread is 1/2x36 but I'm not 100% sure that is right.
11/4/2004 11:17:14 AM EDT
[#4]
Quoted:
1/2x28 is the thread for a .223 upper.  9mm is different to prevent someone from getting hurt by putting a .223 FH on a 9mm Barrel.  I think the 9mm thread is 1/2x36 but I'm not 100% sure that is right.


Colt is 1/2 x36.
11/6/2004 5:47:29 PM EDT
[#5]
How come my Oly is threaded 5/8 x 24
11/7/2004 5:43:00 AM EDT
[#6]
How come my Oly is threaded 5/8 x 24



Dunno.  What Caliber is it?  Mine is 9MM and a beautiful 1/2X28.  
11/8/2004 11:47:43 AM EDT
[#7]
Mine is a 9mm also.  Shoots good.  I cannot figure why My threads are so much different.  I have only had it about 3 months.  Bought it brand knew from Atlantic Firearms.  They ordered it directly from Oly. 2 months before the ban expired.  
11/12/2004 5:47:35 PM EDT
[#8]

Olympic will thread 9mm only in 5/8x24 by default or 1/2x28 when asked.  All the rest are 5/8x24.  The reason why 9mm only has to do with leaving enough 'meat' around the barrel, not because of trying to reduce chance of osmeone putting wrong device on end of pistol caliber barrel.

mark
[email protected]
11/12/2004 7:13:28 PM EDT
[#9]
Strange,  I didn't ask them for 1/2X28 but am sure glad they did.  Will tide me over untill I SBR it when Form 1 comes in.


Debo
11/12/2004 9:17:53 PM EDT
[#10]
Quoted:
Olympic will thread 9mm only in 5/8x24 by default or 1/2x28 when asked.  All the rest are 5/8x24.  The reason why 9mm only has to do with leaving enough 'meat' around the barrel, not because of trying to reduce chance of osmeone putting wrong device on end of pistol caliber barrel.

mark
[email protected]


Thanks Mark, FAQ has been updated per your info!

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