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Just another option: http://www.tr-enabling.com/ar-15-low...-p/0001lpk.htm
they have an option to plate the FCG with nickel-teflon. I have 2 of these- one was quick and crisp, the other was long and clean- no grit on either one, but the AR10/LR308 FCG was long and more effort than I expected- better after moly paste.
They were on sale when I bought them, not sure they're worth $99 for an LPK with the nickel-teflon.
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If you go on Brownells, you can get a LPK with ALG triggers: http://www.brownells.com/rifle-parts...prod54550.aspx
They also have LPKs sans triggers and grips so you can add your favorites.
Personally, my favorite Buttstock is the MagPul ACS-L. Lighter than the ACS without the storage, very good check weld. Brownells sells MagPul stock kits...butt stock, buffer tube, spring and buffer as a kit.