| The M4A1-Custom rifle has a red dot sight, silencer and improved butt plate. Compared to the regular M4A1, the performance is enhanced by the sight.|
- Weapon description
M4A1-Custom is one of the most accurate M4A1 and has significantly less recoil. It has a silencer, red dot sight, and improved butt plate. The silencer is great for modes to conceal the user's location.
The red dot sight also gives the user almost 100% accuracy whilst aiming down sights, which makes this a great weapon at both long and close range.
- Moderate-high damage dealing.
- High accuracy.
- Medium rate of fire.
- Usable red dot sight.
- Higher accuracy when using red dot sight.
- Loses accuracy when sprayed for too long.
- Slow rate of fire when using red dot sight.
- CF China
- CF Japan
- CF Vietnam
- CF Philippines
- CF Indonesia
- CF North America
- CF Europe
- CF Brazil
- CF Español
- CF South Korea
- In many versions, this weapon becomes the first Black Market weapon that sold.
- In some versions, the M4A1-Custom's silencer is bigger like M4A1-Silencer, while some version still uses the smaller size.
- This is one of the hardest gun to win in CrossFire Vietnam due to the fact that its crate has both permanent and temp variant. Lots of people ended up getting temp M4A1-Custom for a few years and still cannot get a permanent one.
- However, a certain event that if accounts created within 15-21 December 2016 reach Staff Sergeant, they will receive permanent M4A1-Custom, making many veteran players go mad since they spent a lot of money and time to obtain.
- Next up, many players creating accounts in Killbox Arena Combat Vietnam (VNese name: Phục Kích Mobile) got a giftcode of M4A1-Custom for each successfully created account.
- CrossFire Philippines calls this weapon as Elite M4A1.
- CrossFire China use the original sound of M4A1 for all variant of M4A1-Custom, not silenced sound. This sound glitch won't be fixed.
- This gun is still available in CrossFire Philippines' Mega Lotto/Black Market since its release.