Nice rifle. Personally I prefer the more "tacticool" AR-15s of today 'cause they are are more adaptable and easier to personalize.
That being said though, that's a cool piece of history. I vote you should pull the BCG of the SP1 (keep it of course, ya' never know when you'll need it again) and hang it up on a wall/fire place/over the bar in your man cave or somethin'.
"This is not about land or money...but the one thing that no man should never be able to take from another man: the freedom to make his own choices about his life, where he'll live, how he'll live, how he'll raise his family. "
William Travis, The Alamo: 13 Days to Glory