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Posted: 9/16/2004 8:38:36 AM EDT
[Last Edit: 9/16/2004 8:45:52 AM EDT by Robert2011]
I have a Colt Lightweight Sporter bought around 1992. It has the strange half cut up bolt, blocked lower and the large front disassembly pin.

I would like to switch to a flat top receiver so I can mount a nice Aimpoint on it correctly. I was thinking of doing this myself.

What receiver would work with this rifle?

Do I also need a rail hand guard to get an Aimpoint in the correct location? I keep seeing pictures of the back of the Aimpoint even with the back of the ejection port. Is this correct?
Link Posted: 9/16/2004 8:55:05 AM EDT
How much do you want to spend?

Link Posted: 9/16/2004 9:27:11 AM EDT
Daniel Defense big hole upper flat top
Link Posted: 9/16/2004 10:03:57 AM EDT

Originally Posted By 9divdoc:
Daniel Defense big hole upper flat top

Link Posted: 9/16/2004 11:10:56 AM EDT

The Daniel Defense big hole upper flat top looks very interesting, but they don't have much info about it on their site. Do many members here have them?

Is $225 usual for upper receivers?

This part make me wonder:
"Note: This product is currently out of stock. We are currently taking orders, the next available shipping date will be Sept. '03.
Link Posted: 9/16/2004 5:15:58 PM EDT

Will a regular upper receiver like a Bushmaster work with offset pins?

Link Posted: 9/16/2004 7:37:17 PM EDT
Yes it will work........
Link Posted: 9/16/2004 9:09:21 PM EDT

Originally Posted By archad:
Yes it will work........

Hmmmm. Well that opens up a whole new world.
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