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Metal_Daryl97's avatar
Metal_Daryl97
Seasoned Ace
3 years ago

Some data that justify minor buff for the AC42

Was bored and decided to calculate the AC42's Time-to-Kill (which is trickier to calculate considering it's a burst fire weapon)

RoF: 480 rounds/min (rpm) = 160 bursts/min

Burst RoF: 1200 rpm (number of bullets per burst [3] divided by time it takes to shoot 1 burst)
(is this number accurate? Assuming the RoF display in game pre-patch 1.1 refers to the burst RoF; also got same number from sym.gg)

Time to shoot 1 burst (Duration of 1 burst): (60 s/ 1200 bullets) x 3 bullets = 0.15 s (150 ms)

At least 2 bursts required to down enemy (body shots) - so have to take delay in between bursts into account.

Time Delay between bursts:

Time to shoot 160 bursts (i.e. Duration of 160 bursts EXCLUDING DELAY between bursts): 160 x 0.15 s = 24 s

Total Time Delay between 160 bursts (/min): 60 s - 24 s = 36 s

Time delay between 2 bursts: 36 s/(160-1) = 0.225 s (approximately - round number)

Sooo Time-to-Kill (TTK):

2 bursts: (0.15 s x 2) + 0.225 s = 525 ms (<150 metres)
3 burst (0.15 s x 3) + (0.225 s x 2) = 900 ms (>149 m)

More precisely

Assuming there's a delay of 75 ms between two shots within 1 burst of three shots (remember, 1 burst has a duration of 150 ms):

<30 m - bullets to kill (BTK): 4; TTK: 375 ms [150 ms (1st burst) + 225 ms (delay after burst) + 0 ms (only 1 round shot from 2nd burst, so no time delay)] 

30-149 m - BTK: 5; TTK: 450 ms [150 ms + 225 ms + 75 ms (delay between two shots from 2nd burst)] 

Also, bullet travel time ignored here. 

Comparing the AC42's TTK with that of other ARs (https://sym.gg/index.html?game=bf2042&page=comparison - AC42 TTK inaccurate on sym.gg), it is apparent that the AC42 has a significantly higher TTK. For instance, under 150 m, the TTK for ARs (excluding AC42) ranges between 225 ms and 400 ms (approx.). Does this justify a slight buff for the AC42 - what do you think?

Also, I noticed that while it takes 7 bullets to down an enemy at a distance > 149 m with the AC42 (HP/ regular ammo), the other ARs can do this with only 6 bullets (High Power mag). Furthermore, the HP ammo on the AC42 has a very small magazine size of 20. Pre-patch 0.4, the HP mag size was probably justified considering AC42 HP ammo was OP back then but now that it only provides a minor increase in range*, wouldn't it make more sense to make an extended HP mag available for the ac42?
*Damage of 22 hp/ round extended by only 25 m + slight increase in bullet velocity

7 Replies

  • I don't think it really needs a buff - It's pinpoint accurate and packs a serious whallop; I don't enjoy how disadvantageous it is firing one in CQC but that's also entirely the point of burst fire.

    Unlocks are all you need

  • @Metal_Daryl97 I tend to disagree as I die from it a lot. It’s basically a laser pointer that also shoots bullets. I’m sure you’ve tried different set ups to lower that TTK, considered recoil (again really low on the 42). If it was the perfect killing machine it would need a nerf as they did before.
  • Metal_Daryl97's avatar
    Metal_Daryl97
    Seasoned Ace
    3 years ago

    @TTZ_Dipsy @ATFGunr 
    The other ARs are just as accurate as the AC42 - you can do a simple comparison on sym.gg (https://sym.gg/?game=bf2042&page=comparison): select the different ARs for comparison, select the filter option "Only include rows with different values" and look at the ADS spread values. 

    Recoil is obviously relatively low on the AC42 because it fires in slow bursts; if you also fire bursts at the slow rate of 480 rpm on the other ARs, you should experience a similar level of recoil. On single fire mode, all the ARs have the same RoF, comparable recoil and yet it takes more bullets to kill at a distance > 149 m with the AC42! Furthermore, the recoil is controllable on the other automatic ARs but it is awkward to control on the AC42 because of the delay between bursts. Also, the AC42 is certainly not a "laser pointer" - the bullet spread is apparent at longer ranges

    I'm not making the argument that the ac42 is a bad rifle here, instead i'm making a comparative claim - it is unjustifiably worse in many aspects compared to the other ARs and there's pretty good data supporting this

  • Metal_Daryl97's avatar
    Metal_Daryl97
    Seasoned Ace
    3 years ago

    Noice, from which battlefield is this? I did notice "AC74" printed on the side of the BF2042's AC42 (at least on Tier 1 skin)

  • For those interested, I've updated the original post with more precise TTK values 

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