The weapon features a white armored beast design with blue lightning on it, hence its name. It has a higher damage rate than the regular M4A1, higher accuracy, higher rate of fire, a suppressor, and buttstock that can be used as a secondary melee attack for close range. The M4A1-S Transformers also has an extraordinarily fast reloading speed compared to any other weapon in the game (only after Steyr TMP).
- Increased accuracy.
- Ultra-fast reload speed.
- Secondary melee attack (Buttplate melee).
- Able to perform reload cancel by buttplate melee.
- High rate of fire.
- Increased damage.
- Higher damage on armored enemies.
- 100% wallbang.
Available in all CrossFire versions
- Increased (+2) ammo for all equipped Rifles.
- Ultra-Fast Reload Speed.
- Unexpected Luck (100% EXP owner, 15% EXP and 10% GP for all players).
- Buttplate Melee Attack.
- 200% EXP bonus for the owner.
- 30% EXP bonus for everyone.
- 20% GP bonus for everyone.
- This gun was available in Black Market in CF Japan. It was also available in the VVIP shop, giving the players a choice to obtain this gun depending in luck or cash.
- This is one of the two VVIP guns that does not receive discount promo in CF Vietnam, the other being RPK-Infernal Dragon. However, upon its release, players can buy this gun in a package bundled with a few Wave Mode items (premium gems, stabilizers and gem removal coupons).
- Unlike all other CF versions, in CF Russia this gun is called M4A1-S White Predator. The reason is because its translation: in Russian, "Iron Beast" sounds ugly.
- CF Vietnam is the only version has fixed this weapon which decreases wallbang & higher recoil than any version. Despite this, it still remains one of the most popular M4A1-VIPs in this version, along with M4A1-S Born Beast.
- Also in CF Vietnam, this gun has two variants. The permanent variant, available in VVIP System, has all VVIP perks and the temporary one, available in events, doesn't have any VVIP perks and has a damage bar.
- The gun received the wallbang feature after an updated in CF West.
- CF Español also received the full wallbang feature in a "bug update".
- If you look closely, the grip's HUD of this weapon when being color-customized looks different from the original design.
- This gun has a longer silencer than most other M4A1-VIPs.