quote:

Originally posted by dwd1985:
I edited my initial post, Im thinking I am going to have more questions as time goes on.

Also, I am planning to make a full (or as close to full) Swiss Sig556 as I can. If I take the upper, FCG and pistol grip from the Sig556ER, add Sig551 handguards, drop it onto the classic lower, replace the folding/collapsible stock with a Swiss stock, every part will be Swiss except the upper receiver and lower receiver, and it will have the "swiss style" sites that arent actually Swiss.

quote:

Originally posted by DCFD4:
I had an early ER and the rail ended up being canted on it. Might want to make sure yours doesn't before you get too involved.

quote:

Originally posted by PGT:

quote:

Originally posted by dwd1985:
I edited my initial post, Im thinking I am going to have more questions as time goes on.

Also, I am planning to make a full (or as close to full) Swiss Sig556 as I can. If I take the upper, FCG and pistol grip from the Sig556ER, add Sig551 handguards, drop it onto the classic lower, replace the folding/collapsible stock with a Swiss stock, every part will be Swiss except the upper receiver and lower receiver, and it will have the "swiss style" sites that arent actually Swiss.

Just know you're getting into diminishing returns on trying to make a US rifle more Swiss. You'll always have a US-made barrel and receivers and those will always mean they're worth less. Given the ~$4k cost of a Swiss 551-LB 16" these days, approaching anything close to half "all in" is about the max I'd recommend. The market is down right now and some folks are realizing their CC bills are more important than the shiny toys they bought over the last two years so some very good deals to be had.

quote:

Originally posted by PGT:

quote:

Originally posted by dwd1985:
I edited my initial post, Im thinking I am going to have more questions as time goes on.

Also, I am planning to make a full (or as close to full) Swiss Sig556 as I can. If I take the upper, FCG and pistol grip from the Sig556ER, add Sig551 handguards, drop it onto the classic lower, replace the folding/collapsible stock with a Swiss stock, every part will be Swiss except the upper receiver and lower receiver, and it will have the "swiss style" sites that arent actually Swiss.

Just know you're getting into diminishing returns on trying to make a US rifle more Swiss. You'll always have a US-made barrel and receivers and those will always mean they're worth less. Given the ~$4k cost of a Swiss 551-LB 16" these days, approaching anything close to half "all in" is about the max I'd recommend. The market is down right now and some folks are realizing their CC bills are more important than the shiny toys they bought over the last two years so some very good deals to be had.

quote:

Originally posted by Malysh:
Here's my early SIG USA 556 made into a P551-2 LB clone. The US s.n. is No. 1507, so it has a very early Swiss upper receiver, gas block, perhaps barrel, etal. The gas block and barrel have Swiss markings, so I assume these early 556s utilized some real Swiss parts.

I had to wait about 2 years for SAN to make more factory semi auto PE90 or 551 semi auto receivers and had it imported here. Since the upper is the serial numbered part and the lower didn't have or require a serial number, I had the lower serialized the same as the upper. If I ever sell it the buyers will know this is not a complete matching 551 rifle. It was a long wait to get this done.

The diopter is Swiss and I had the N.H. optic rail replaced with a Swiss rail. I had the barrel modified for a replacement flash suppressor so, it still has the orignal barrel on it with no grenade ring and is two piece instead of one piece. Furniture is all Swiss. I had the entire rifle repainted with the correct paint, although the pictures do not show the tint very well.

Two gunsmiths did the modifications, Frank Hatten and Ted Marshall.

PGT is correct that modifying a US 556 rifle to a similar configuration is very expensive and in my case, very time consuming.
This conversion started around 2000 and was a couple of years until done. I probably wouldn't do it again, but it's a great rifle and very accurate, as one would expect. Much more faithful than the West Coast Armory version. I don't know if JDI was in business that long ago, and this was the only way I knew of to make a fairly accurate reproduction of the original rifle.