If you're looking for the best NFL Week 16 sportsbook promo, BetMGM Sportsbook is delivering one of the top welcome offers of the season. New users can unlock up to $1,500 in bonus bets when they wager on the Indianapolis Colts vs. San Francisco 49ers Monday Night Football matchup. Place any qualifying first bet on the game. If your wager loses, BetMGM refunds your stake in bonus bets up to $1,500, a huge safety net during one of the most important primetime matchups of the playoff race. How the BetMGM NFL welcome bonus works This BetMGM promo code provides first-bet insurance, letting new players take a bold shot on Colts vs. 49ers without fear. > If your first wager wins, you keep the cash profit. > If it loses, BetMGM replaces your stake with bonus bets (maximum $1,500). That gives players a second chance to build their bankroll while betting on one of the biggest games of Week 16. Example bet scenario Wager $500 on the Colts moneyline at +240: > Win and you earn $1,200 in profit > Lose: and you receive $500 back in BetMGM bonus bets This makes the offer ideal for bettors wanting to take strategic risks on competitive markets like spreads, totals, player props, or alternate lines. How to claim up to $1,500 in BetMGM bonus bets Follow these steps to activate the BetMGM promo code for Week 16: > Click on our BetMGM Sportsbook promo code link and set up an account. > Complete personal verification and upload valid ID. > Enter the BetMGM promo code: BETMGMBONUS > Make a first deposit of $10 or more. > Place a qualifying $10+ wager on any Colts vs. 49ers market. > If the bet loses, BetMGM will return your stake as bonus bets, up to $1,500. Important bonus terms & conditions Before claiming the offer, note the following details: > For wagers of $50+, bonus bet refunds are split into five equal tokens > For wagers under $50, refunds are issued as one token > Bonus bets expire after 7 days > Only winnings – not the stake – are returned when using bonus bets For full promotional terms, visit the official BetMGM Sportsbook website. Colts vs. 49ers preview The Colts vs. 49ers matchup carries major postseason implications as both teams battle for positioning in their conferences. The Colts enter Monday night looking to end a four-game losing streak after a strong 8-2 start to the season. Quarterback play and red zone consistency have dipped, raising the stakes as they travel to Levi’s Stadium. The 49ers, meanwhile, have surged to four wins in their past five contests. Recent victories over the Titans, Browns, and Panthers show their dominance on both sides of the ball. With momentum and home-field advantage, San Francisco looks poised to keep rolling. > Kickoff: 8:15 p.m. ET > Broadcast: ABC/ESPN More BetMGM Sportsbook promotions Beyond the welcome offer, BetMGM provides ongoing rewards for returning bettors, including: > 4th & Goal Football Prediction Game > Big Fly Fridays MLB Bonus Bet Prizes > Lion’s Boost Daily Enhanced Odds These promos make BetMGM one of the most appealing online sportsbooks nationwide. Why use the BetMGM promo code for Week 16? With a massive primetime stage, playoff pressure, and two teams trending in different directions, Colts vs. 49ers is the perfect opportunity to take advantage of up to $1,500 in bonus bet insurance. Whether you're backing the surging 49ers or taking a value play on the Colts, this BetMGM promo gives you risk-reduced entry into one of the NFL’s most important Week 16 games.