The M4 is a pretty popular gun in the Battle Royale mode, it has good range and consistent damage while also having a decent fire rate. It's easy to control and a really good assault rifle for any mode. Here are the top 5 best attachments to use on the M4.

MIP Light Barrel (Short)

This attachment decreases the ADS time of the gun by a lot, while also improving mobility. The main drawback is the accuracy gets decreased because of the increased recoil and ADS bullet spread.

Pros

• Drastically decreases ADS time for faster aiming
• Increases mobility by a lot

Cons

• Increased recoil
• ADS bullets spread is increased

MIP Strike Stock

A good attachment to combo with the barrel, reduces ADS bullet spread while also increasing accuracy even when getting hit.

Pros

• Decreases ADS bullet spread for better aiming
• Decreases hit flinch so you cans till be accurate while getting shot
• Decreases horizontal recoil

Cons

• Reduces ADS movement speed by a lot

MIP Strike Stock full details

Official in-game description: Heavy Stock with poor mobility. But increased accuracy.

Ups

• -9.8% ADS bullet spread
• -15% hit flinch
• 8.8%Horizontal Recoil

Downs

• -17% ADS movement speed

40 Round Extended Mag

A magazine that gives you 10 extra bullets, this one is needed since the M4 has a fairly slow reload speed so more bullets before you need to reload is nice to have.

Pros

• Plus 10 to bullet count

Cons

• Reduces movement speed by a bit
• Increases reload time making it slower to reload

40 Round Extended Mag full details

Official in-game description: Extended mag with slightly increased weight.

Up

• +10 Magazine capacity

Downs

• -2% movement speed
• +5% reload time

Ranger Foregrip

A well known attachment that can be found in many guns. This one is really nice to have to balance out the gun from the other negative stats the other attachments add. 

Pros

• Decreases vertical recoil by a lot
• Increased ADS bullet accuracy
• Decreased vertical recoil

Cons

• Decreases ADS movement speed
• Increases ADS time making it slower to aim.

Ranger Foregrip full details

Official in-game description: Significantly increases control and accuracy. Ideal for long range combat

Ups

• -12.9% Vertical recoil
• -12.2% ADS bullet spread
• -3.7% horizontal recoil

Downs

• -10%ADS movement speed
• +15% ADS time

Stippled Grip Tape

A good attachment to add to counter some of the negative effects other attachments give.

Pros

Decreases ADS time

Faster aim after sprinting

Cons

Increases ADS bullet spread by a lot

Increases recoil

Stippled grip tape full details

Official in-game description: Stippled grip tape maintains control when moving at a higher speed.

Ups

• -5% ADS time
• -15% sprint-to-fire delay

Downsides

• +12% ADS bullet spread
• +3.2% vertical recoil
• +3.2% horizontal recoil