Paul of Ebaybanned/EB Tactical sent in news that they're now offering G&P parts at their website. What they have now are the M4 extension mount base, stubby killer front set, RAS Kit, sniper stock, M500 handguard, USMC goggles, sling mounts, and ACOG-type scope. Just check them out at their website and as always it's free shipping for each order.