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Posted: 6/23/2016 12:35:37 PM EDT
How do you tell if an A1 port door is original or a repro? Most of the time they looked aged or have soaked in allot of oil over the years, but what if you encounter one that looks like new on an upper? Do the repros stand out in some way?
Link Posted: 6/23/2016 10:40:06 PM EDT
Link Posted: 6/24/2016 7:48:06 AM EDT
what about the inside lug (whatever the staked thing holding the detent, etc).
Is it shaped or staked differently?
pics of both would solve it.

The only way I would know how at this point is to keep them in separate containers
Link Posted: 6/24/2016 8:34:05 AM EDT
[Last Edit: 6/24/2016 8:38:08 AM EDT by Cdenmark]
Colt on top reproduction on bottom.




Don't have GM or H&R for comparison but I believe the H&R is closer to the reproduction with sharper edges. Not sure on GM without looking at pics.
Link Posted: 6/24/2016 8:40:55 AM EDT
[Last Edit: 6/24/2016 8:43:35 AM EDT by jhud]
those stake marks are the give away.


All of mine are from demilled M16s (which I know for a fact were colt) or royal tiger (which were 100% colt). They look like the top.
Link Posted: 6/24/2016 1:29:23 PM EDT
Jhud,

Do you know if the port doors that Royal Tiger currently has listed are A1's?

I need another A1 door and Rifle Supply is out of repops.
Link Posted: 6/24/2016 1:57:28 PM EDT
Looks like an a1. They have 1 left according to site.
I would call to ask.
The condition of rti parts ranged from like new covered in grease to poor .
At that price it's worth a try regardless
Link Posted: 6/24/2016 2:23:50 PM EDT
Never mind!

They want $13.31 to ship one $9.99 port door!

Link Posted: 6/24/2016 5:30:55 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By k-wad:
Never mind!

They want $13.31 to ship one $9.99 port door!

View Quote



Call them to see if it is an A1. If it is get it....


https://www.schludershots.com/ar-15/ar-15-gun-parts/m16-early-style-ejection-port-door.html#.V22lm6JPJ3Z

^^ They were selling their A1 doors for thirty nine bucks a port door.^^

Link Posted: 6/24/2016 5:32:32 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Cdenmark:
Colt on top reproduction on bottom.

http://i866.photobucket.com/albums/ab223/cndenmark/DSCN2479_zpszvsremla.jpg
http://i866.photobucket.com/albums/ab223/cndenmark/DSCN2480_zpsqmabcdde.jpg

Don't have GM or H&R for comparison but I believe the H&R is closer to the reproduction with sharper edges. Not sure on GM without looking at pics.
View Quote



Either the H&R or GM had rounded corners on the rectangular pad, I don't remember which.
Link Posted: 6/24/2016 6:23:48 PM EDT
Either the H&R or GM had rounded corners on the rectangular pad, I don't remember which.

Thanks. Not that it matters at present since I don't have either H&R or GM at present but never know what one may stumble across on life's pathways and it may be info helpful to others. About all I can remember when I see them is they aren't Colt.
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