B-Line Trauma Review

Take one to the forehead and call me in the morning.

B-Line Trauma is a Legendary primary scout rifle.

This weapon is purchasable from the Crucible Quartermaster, and can also be rewarded randomly.


The good: Highest rate of fire, large magazine.

The bad: Lowest Impact & range, slowest reload speed.

Conclusion: Default perks are subpar.

Read the full review here

This is a Legendary Weapon
Scout Rifle (Primary Weapon)
Kinetic Base Damage/Upgraded272/331
Quality Lvl60
Rate of Fire
Magazine Size

Aim Assist
Equip Speed
Recoil Direction

Talent Upgrades Tree (from the vendor)

Kinetic Damage

This weapon causes Kinetic damage.


Flexible sight. Enhances handling, range, and recoil control.

+6 Range
+9 Stability
+4 Reload


Reduces the severity of this weapon’s recoil.

Accuracy increases over time, up to 20% by the end of the magazine.

Upgrade Damage 1

Increases Attack Power, resulting in more Damage.


Aiming this weapon is incredibly fast.

+30% ADS speed.


Missing a shot has a chance to return ammo directly to the magazine.

5% chance to regain a round into the magazine per shot.

Upgrade Damage 2

Increases Attack Power, resulting in more Damage.

Upgrade Damage 3

Increases Attack Power, resulting in more Damage.


Precision scope. Superb effective range. Heavy, with poor recoil control.

+15 Range
-2 Stability
-3 Reload


Improved range and accuracy.

Upgrade Damage 4

Increases Attack Power, resulting in more Damage.


Agile sight. Lightning-fast handling.

+15 Reload


These iridium-core rounds overpenetrate targets. Their mass slows down weapon handling.

Upgrade Damage 5

Increases Attack Power, resulting in more Damage.

Video Review

Weapon Review

B-Line Trauma is a Legendary primary scout rifle which can be purchased from the Crucible Quartermaster for 150 Crucible Marks.

The default perks are listed above, but these can vary if you receive this weapon from an Engram or as a random reward in PvE/PvP. Click here to see all of its potential perks.

Be sure to check out our other Legendary weapon reviews as well.

Recommended Perks

+6 Range
+9 Stability
+4 Reload

Hammer Forged (PvP)
+40 Range

Armor Piercing Rounds (PvE)

The Good

For those who desire a close range weapon that can be fired very rapidly, use B-Line Trauma. Its base stats almost match those of Dead Orbit’s Crypt Dweller SR1, and its large magazine size matches Vision of Confluence.

Rate of fire is where B-Line Trauma excels. It’s currently got the highest rate of fire of any Legendary scout rifle. You can unload a full 19 round magazine in just 4.5 seconds.

This high rate of fire makes this an excellent choice for PvP and even in PvE for the ability stagger enemies quickly. You’ll be able to mimic SUROS Regime‘s Focused Fire if you pull the trigger as fast as possible.
b line trauma weapon review
The stability sits comfortably in the middle of the Legendary scout rifles. It’s recommended that the default RED DOT-ORES sight upgrade is equipped for maximum stability. Ranged Lens RLR5 will give the best range, and Quickdraw IS will provide the best reload speed, but the cost to stability just isn’t worth it.

While some may not appreciate aim assistance, this weapon tops the scout rifle charts. Aim assistance will help your bullets find the target, essentially making it easier to land shots.

Rodeo and Hammer Forged work well together, increasing stability and range. Hammer Forged is needed since the base range is so low (more on that below).

In PvE you’ll probably benefit most from Armor Piercing Rounds. Unlike sniper rifles with APR, you’ll be unable to shoot through walls, but APR is invaluable in situations where enemies are close together (Crota’s End).
legendary b line trauma review

The Bad

As you’d expect with this archetype, since you’re able to fire so rapidly, Impact suffers greatly. This scout rifle has the lowest Impact.

In PvP you’ll be able to dish out 29 damage to the body and 43 to the head, which equates to 5-7 shots to take down your opponent. While it does take slightly more shots than most scout rifles, the shots can be fired much quicker, so it makes up for the low damage.

As mentioned above, the range is also extremely low – the lowest of all Legendary scout rifles. Hammer Forged will significantly increase it though so it’s definitely worth using on larger maps.

Unfortunately this weapon also has the slowest base reload speed, and can only be quickened using Quickdraw IS. The base reload speed is 2.6 seconds but Quickdraw IS will reduce it to 2.3 seconds.

If you’ve used Gheleon’s Demise or Badger CCL, you may be used to the slow reload speeds that some scout rifles have. The Saterienne Rapier (full review) on the other hand is much quicker.

Easily the worst aspect of B-Line Trauma is Mulligan. It plagues a few of the vendor weapons such as Against All Odds (full review); it’s only got a 5% chance to return ammo so it’s basically a wasted perk. It can occasionally save you from a reload, and you may earn an extra round every now and again, but not often enough.


With its fast rate of fire and low recoil, B-Line Trauma allows for rapid, accurate fire at medium ranges. Unlike heavy scout rifles, missed shots are not penalized as much with the relatively high magazine size. It is very forgiving with little-to-no delay between trigger pulls unlike most other scout rifles.

In the Crucible this means that you can easily use the B-Line to compete against most auto rifles at mid range, especially if you have a fast trigger finger. In PvE, this allows you to keep a target’s shields down and enables you to track and hit a moving target much more easily than if you were using a heavy scout rifle.

While the damage is acceptable for use in the Crucible, especially if you can land consistent headshots, the lack of damage is very noticeable in PvE.

Is B-Line Trauma better than The Saterienne Rapier for PvE? Nope.

Is B-Line Trauma better than Another NitC for PvP? Arguably not.

It does hold its own due to the insane rate of fire, but there’s really nothing special about the vendor perks.

For PvP this weapon earns a 8.2/10 and for PvE a 7.8/10.


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  • insanetrasher

    I wonder why a scout rifle having the lowest impact, range and reload should be used in PvE.

  • Navzar199

    I have one with the 3 fatebringer perks, but I don’t like its low impact so I don’t use it…

  • Kenshiro Genjuro

    I got one randomly with the firefly perk. Love firefly, but not on this scout rifle. Sure you can compensate for the low impact with the fast rate of fire, but it’s fatiguing pulling the trigger that fast ALL the time. I’d have drastically preferred Badger having this perk. Just my preference, but I’d much rather have a more purposeful rate of fire, and even if B-line has the strongest auto-aim, I feel like that really diminishes when you’re having to wildly pull the trigger so fast.

    • insanetrasher

      I managed to get a Badger with Firefly, used it a lot until I got my hand on fatebringer.

      • Kenshiro Genjuro

        Color me jelly.

        • insanetrasher

          I guess it will prove to be useful once again after the hand cannon range nerf.

  • Thiago123

    Been looking forward to this review since this one always looked interesting with it’s stats consistency, but hasn’t yet been worth investing the marks on it. I think I’ll skip it, maybe someday I’ll get a better one off a drop.
    With that said, the scores seem a bit high vs the review text. The review itself mentions that it isn’t as good as other scouts in given situations like PvP or PvE (Badger, A NitC, Saterienne Rapier, Visions of Confluence) and it’s lack of range puts you in losing battles against auto rifles UNLESS you happen to have some great trigger speed, timing, and aim.
    Are you trying to convey that it has a high score due to it being a Jack of All trades yet master of none?

  • jen0c1de

    I got one rolled with Rodeo, Explosive Rounds, Firefly. It’s pretty solid, wish the impact was better, but for clearing crowds its pretty decent.

  • NLK3

    The stats look wrong on this I thought that the bar at max is 100, but the fire rate says 52, but fills up about 40% while the range says 51, but fills about 75%. I also think it would be cool to change what commendations are for (maybe reforging what you already have) since there’s already a 200 mark cap (150 per weapon = 2 weapons every 3 weeks anyway) and to 1) Recycle between the old and new vendor weapons every 3 hours, and; 2) Recycle through random perks every 3 hours. Why haven’t they thought of that, or why not do that? Drops are ridiculously rare anyway.

    • Thanks, fixed

  • fayt255

    I like this gun a lot and use it most of the time that being said I got it from a drop with different perks than the vendor so like most legendary weapons its more about the roles on the perks you get.

  • sk

    I have 3 of these, I was fortunate to get one with third eye and glass half full. It is my most used primary and using chain of woe negates the slow reload. Absolutely love this gun with the perks I got via rng, the one you can buy is weak in comparison.