How to Unlock FREE Legendary M4 Black Gold Royal in CODM

Join this channel to get access to perks:    / @bigblitzgaming   🔥 Get the Legendary M4 Black Gold Royal for FREE in Call of Duty Mobile! In this video, I’ll show you the step-by-step guide to unlock this amazing M4 skin through the new Secret Cache event—no CP required! We originally got this gun last year just by logging in, but if you missed it, now’s your second chance to grab it for completely free. All you need are Secret Tokens—I'll explain where to find them, how to use them, and how many shards you need to unlock the M4. Plus, there’s some speculation going around that you might be able to send 5 shards to friends. If that turns out to be true, I’ll be gifting shards to 4 lucky subscribers—so make sure you: ✅ Subscribe ✅ Like the video ✅ Drop a comment with your in-game name or UID! 🎮 Don’t miss this free legendary weapon—watch the full guide now and start unlocking it today! #CODM #FreeLegendary #M4BlackGoldRoyal #CallOfDutyMobile #CODMobile2025 #BigBlitzGaming free legendary M4 CODM, M4 Black Gold Royal COD Mobile, how to unlock M4 Black Gold Royal, CODM secret cache event, free legendary gun CODM, secret cache guide CODM, COD Mobile free legendary 2025, M4 shards CODM, CODM April 2025 event, Big Blitz Gaming