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Posted: 6/30/2015 1:26:13 PM EDT
Accumulating parts for a possible SBR 733 commando type. What is the features of the earliest 11.5 inch barreled commandos with birdcage? What serial number range did these have???
Link Posted: 6/30/2015 1:39:17 PM EDT
A1 upper, no shell deflector, coated aluminum stock, maybe A1 lower, everything else should be A2.
Link Posted: 6/30/2015 2:00:49 PM EDT
So, a2 grip? Gonna stick with a1 birdcage though. Thanks

Found another  LM forge code upper. Would this be ok as far as a could be assembly by government at one time or other?
Link Posted: 6/30/2015 2:13:28 PM EDT
Yep, A2 grip, 1/7 rifling, A2 compensator, Delta ring, A2 front sight base/post.

I like the birdcages too.
Link Posted: 6/30/2015 2:24:11 PM EDT
I've seen flat slip rings on a few in images. I think they look better.
Link Posted: 6/30/2015 2:32:17 PM EDT
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Quoted:
A1 upper, no shell deflector, coated aluminum stock, maybe A1 lower, everything else should be A2.
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Wouldnt these have had the fiberlite stocks rather than the aluminum?
Link Posted: 6/30/2015 2:42:55 PM EDT
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Quoted:
I've seen flat slip rings on a few in images. I think they look better.
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Quoted:
I've seen flat slip rings on a few in images. I think they look better.

Likely wasn't an original 733.  These were part of the A2 series "improvements" that defined the A2 series.

Quoted:
Quoted:
A1 upper, no shell deflector, coated aluminum stock, maybe A1 lower, everything else should be A2.

Wouldnt these have had the fiberlite stocks rather than the aluminum?

Mix as Colt used up the aluminum stocks.
Link Posted: 7/1/2015 9:47:41 PM EDT
Here's what I am envisioning.

Would this be a fantasy piece?
Link Posted: 7/1/2015 9:58:29 PM EDT
That's the quintessential 733- A1 lower, fiberlite stock, "C7" upper.  The bayonet lug is rare, but they were made with them at times.

Looks awesome; one of my SBR's is set up just like that with a 733 upper I found a few years ago.
Link Posted: 7/1/2015 10:18:39 PM EDT


1985 era Colt 733

Delta ring
bayo lug
A1 Upper
A2 Lower
Firelite stock
Link Posted: 7/1/2015 10:35:12 PM EDT
Discussion ForumsJump to Quoted PostQuote History
Quoted:
http://i.imgur.com/IyrsSL8.jpg

1985 era Colt 733

Delta ring
bayo lug
A1 Upper
A2 Lower
Firelite stock
View Quote



You've nailed it right there. I could put a flat ring on it and it'd look better to me though.  I'll have to think about it. First search is a .625 at fsb 11.5 lightweight barrel.
Link Posted: 7/1/2015 10:58:31 PM EDT
Doublestar used to make one.

You'll love the gun once your done, light as heck!
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