Fortnite 39.40 update has introduced one of the most accurate assault rifles in Chapter 7 Season 1 — the Lock-On Assault Rifle.
This isn’t your typical spray-and-pray AR. Instead, it features a built-in tracking system that locks onto enemies before firing. Once locked, landing shots on moving targets becomes significantly easier, especially in mid-range fights. Here’s how to get the Lock-On Assault Rifle in Fortnite Chapter 7 Season 1, how it works, and whether it’s worth adding to your loadout.
Get the Lock-On Assault Rifle in Fortnite Chapter 7 Season 1

The good news is that this weapon is not Mythic-exclusive in Fortnite. It’s widely available across the island in multiple rarities, from Rare to Legendary.
You can find it through:
- Vending Machines – Purchase it using gold bars
- Supply Drops – Available during mid-match drops
- Loot Chests – Found across the map
- Floor Loot – Spawns at various POIs
Because it’s part of the regular loot pool, getting your hands on one is relatively easy compared to limited weapons.
How the Lock-On Assault Rifle Works
What makes this weapon stand out is its two-phase firing system: Targeting and Burst.
It shares similar mechanics with the Lock-On Pistol but adds the versatility of an assault rifle.
1. Targeting Phase
To activate the lock-on:
- Aim down sights (ADS) at an enemy
- Keep the target within the reticle
- Four indicators will begin forming around the enemy
- Once all four turn red, the lock is complete
Maintaining steady aim is key. If the enemy takes cover or moves too far, the lock breaks.
2. Burst Phase
Once locked:
- Fire to release a controlled 4-round burst
- Shots track the locked target with high accuracy
- Lock-on range is limited to 50 meters
This range cap prevents the weapon from becoming overpowered while keeping it strong in mid-range engagements.
Tips to Use the Lock-On Assault Rifle in Fortnite Chapter 7 Season 1
While extremely accurate, this weapon isn’t unstoppable. Here’s how to maximize it:
- Best for mid-range fights in open areas
- Strong against fast-moving players using mobility items
- Ideal counter to Shockwave Grenades and Wingsuits
- Not ideal for close-range shotgun battles
- Lock breaks instantly if the enemy takes cover
Because the lock-on system favors tracking over raw spray damage, patience matters more than aggressive rushing.
Is the Lock-On Assault Rifle Worth Using?
Yes, especially if you prefer precision over chaos.
The Lock-On Assault Rifle shines in:
- Open-field fights
- Tracking airborne or mobility-heavy opponents
- Players who struggle with recoil control
However, if your playstyle revolves around close-range box fights, you may prefer traditional ARs or SMGs. Overall, it’s one of the most tactical additions introduced in Chapter 7 Season 1 and a strong pickup whenever you spot it.
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