Sling Swivel

mossberg 500 sling mounting options?

i have a mossberg 500 with a synthetic stock that i would like to mount a sling on. can someone suggest some sling swivels and sling swivels studs for under fifteen bucks.

http://shop.ebay.com/items/mossberg%20500%20sling?_dmd=1&_sop=12&rvr_id=234097191042&clk_rvr_id=234097191042&MT_ID=70&crlp=1340873776_1&tt_encode=raw&geo_id=1&keyword=mossberg+500+sling&adgroup_id=511518466

Daniel Defense Push Button Sling Swivel on a S&W M&P AR-15