U.S. Army Heavy Weapons Play & Win Sweepstakes

From Xbox.com :

The U.S. Army Heavy Weapons is sponsoring a special Play & Win Sweepstakes featuring Halo 3. The entry period for the sweepstakes is seven full days, and you can get a new entry for each day you play a Halo 3 multiplayer match online. We’ve got more than a thousand prizes to give away, and the Grand Prize is a limited-edition, framed piece of Halo 3 artwork. Don’t miss your chance to win!

Just register your gamertag before midnight ET on February 15, and then play in an online multiplayer match between 12:01 A.M. Eastern Time (ET) on February 9 and 11:59 P.M. ET on February 15, 2008 to enter. You’ll score a new sweepstakes entry for every day you play during the entry period.

One (1) Grand Prize:

• Limited Edition, framed piece of Halo 3 Artwork with commemorative Heavy Weapons plaque and certificate of authenticity

One thousand two hundred fifty (1,250) Daily Prize Winners:

• 800 Microsoft Points

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Register for this challenge.