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Best Weapons in ROB RUN: Damage, Price and How to Unlock Every Mk

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Guide
Written by Danneh
Posted on November 10, 2026
Categories:
ROB RUN

For most players the best weapon in ROB RUN is the KL-545 Mk1: it costs $25,000 to unlock, $6,000 to buy, and drops an unarmoured target in under a second out to 50 m. Once you can afford more, the SR Reaper is the fastest gun in the game at every range we tested.

How we worked out the numbers

Every figure below comes from the game's weapon data, using the same rules as our Compare Weapons tool:

  • A target has 100 health and, in the tables here, no armour.
  • Every bullet hits the body. For shotguns, every pellet lands.
  • Damage stays at full value up to the full-damage range, then falls off in steps. Each hit is rounded down to a whole number.
  • Time to knock down counts from the first shot: (shots − 1) × the gap between shots, plus any reloads. Draw and aim time are not included.
  • Every gun has a ×1.5 headshot multiplier, so aiming high helps all of them equally.

Fire rate is shots per minute. Body armour soaks up damage until its capacity runs out, and the Bastion takes 25% less, so armoured fights take longer. Pick any two guns and an armour type in the compare tool to see the difference.

Every gun: damage, price and knock-down time

The last two columns show the time to knock down an unarmoured target, with the number of hits in brackets. The price is the Black Market price once the gun is unlocked.

GunTypeDamageFire rateMagazineFull damage toPrice20 m50 m
DRM-14 Mk1Rifle342401095 m$103,5000.50 s (3)0.50 s (3)
DRM-14 Mk2Rifle342401095 m$103,5000.50 s (3)0.50 s (3)
DRM-14 Mk3Rifle3424020100 m$103,5000.50 s (3)0.50 s (3)
KL-545 Mk1Rifle156003045 m$6,0000.60 s (7)0.70 s (8)
KL-545 Mk2Rifle156003045 m$6,0000.60 s (7)0.70 s (8)
KL-545 Mk3Rifle156004550 m$6,0000.60 s (7)0.60 s (7)
LM 249 Mk2Rifle1870620075 mNot sold0.42 s (6)0.42 s (6)
RC 5.56 Mk1Rifle166673055 m$32,0000.54 s (7)0.54 s (7)
RC 5.56 Mk2Rifle166673055 m$32,0000.54 s (7)0.54 s (7)
RC 5.56 Mk3Rifle166675060 m$32,0000.54 s (7)0.54 s (7)
SR Reaper Mk1Rifle177502065 m$120,0000.40 s (6)0.40 s (6)
SR Reaper Mk2Rifle177502065 m$120,0000.40 s (6)0.40 s (6)
SR Reaper Mk3Rifle177504070 m$120,0000.40 s (6)0.40 s (6)
STAR-H Mk1Rifle215002050 m$27,5000.48 s (5)0.48 s (5)
STAR-H Mk2Rifle215002050 m$27,5000.48 s (5)0.48 s (5)
STAR-H Mk3Rifle215004055 m$27,5000.48 s (5)0.48 s (5)
AP Scalar Mk1SMG1410002530 m$115,0000.42 s (8)0.66 s (12)
AP Scalar Mk2SMG1410002530 m$115,0000.42 s (8)0.66 s (12)
AP Scalar Mk3SMG1410004534 m$115,0000.42 s (8)0.54 s (10)
CB45 Mk1SMG145452534 m$3,7800.77 s (8)0.99 s (10)
CB45 Mk2SMG145452534 m$3,7800.77 s (8)0.99 s (10)
CB45 Mk3SMG145454040 m$3,7800.77 s (8)0.88 s (9)
JP-7 Mk1SMG157502527 m$29,0000.48 s (7)1.12 s (15)
JP-7 Mk2SMG157502527 m$29,0000.48 s (7)0.96 s (13)
JP-7 Mk3SMG157504031 m$29,0000.48 s (7)0.88 s (12)
MC-10 Mk1SMG126672025 m$3,5000.72 s (9)1.71 s (20)
MC-10 Mk2SMG126672025 m$3,5000.72 s (9)1.44 s (17)
MC-10 Mk3SMG126674029 m$3,5000.72 s (9)1.26 s (15)
PDW90 Mk1SMG138575031 mNot sold0.49 s (8)0.77 s (12)
PDW90 Mk2SMG138575031 mNot sold0.49 s (8)0.63 s (10)
PDW90 Mk3SMG138575035 mNot sold0.49 s (8)0.63 s (10)
Harris 500 Mk1Shotgun9 × 812057 m$3,5002.00 s (5)9.50 s (13)
Harris 500 Mk2Shotgun9 × 812057 m$3,5001.50 s (4)9.50 s (13)
Harris 500 Mk3Shotgun9 × 812079 m$3,5001.00 s (3)8.45 s (13)
ORDR-12 Mk1Shotgun9 × 817167 m$28,0001.05 s (4)8.40 s (13)
ORDR-12 Mk2Shotgun9 × 817167 m$28,0000.70 s (3)8.40 s (13)
ORDR-12 Mk3Shotgun9 × 817189 m$28,0000.70 s (3)7.00 s (13)
TAG-12K Mk1Shotgun9 × 824058 m$110,0000.50 s (3)7.60 s (13)
TAG-12K Mk2Shotgun9 × 824058 m$110,0000.50 s (3)7.60 s (13)
TAG-12K Mk3Shotgun9 × 8240810 m$110,0000.50 s (3)5.30 s (13)
DP-9 Mk1Pistol183331420 m$3000.90 s (6)5.08 s (17)
DP-9 Mk2Pistol183331420 m$3000.90 s (6)2.16 s (13)
LBR-44 Mk1Pistol34200635 m$20,0000.60 s (3)0.90 s (4)
LBR-44 Mk2Pistol34200635 m$20,0000.60 s (3)0.90 s (4)
Vulture 50 Mk1Pistol36240740 m$50,0000.50 s (3)0.75 s (4)
Vulture 50 Mk2Pistol36240740 m$50,0000.50 s (3)0.75 s (4)

What each Mk needs in Shipments

Guns are unlocked in Shipments with dirty cash, and then go on sale on the Black Market. Each Mk needs the one before it. Some also need a higher-level district or a minimum amount of jail time. The last column adds up the research for the whole chain from scratch.

GunResearchNeedsDistrict levelJail timeTotal research
DRM-14 Mk1$200,000RC 5.56 Mk1III950 years$425,000
DRM-14 Mk2$400,000DRM-14 Mk1III975 years$825,000
DRM-14 Mk3$800,000DRM-14 Mk2III1000 years$1,625,000
KL-545 Mk1$25,000NothingINone$25,000
KL-545 Mk2$50,000KL-545 Mk1INone$75,000
KL-545 Mk3$100,000KL-545 Mk2IINone$175,000
LM 249 Mk2Not in Shipments----
RC 5.56 Mk1$200,000KL-545 Mk1IINone$225,000
RC 5.56 Mk2$400,000RC 5.56 Mk1IINone$625,000
RC 5.56 Mk3$800,000RC 5.56 Mk2IIINone$1,425,000
SR Reaper Mk1$400,000RC 5.56 Mk1IIINone$625,000
SR Reaper Mk2$800,000SR Reaper Mk1IIINone$1,425,000
SR Reaper Mk3$1,600,000SR Reaper Mk2IIINone$3,025,000
STAR-H Mk1$100,000KL-545 Mk1II180 years$125,000
STAR-H Mk2$200,000STAR-H Mk1II190 years$325,000
STAR-H Mk3$400,000STAR-H Mk2III200 years$725,000
AP Scalar Mk1$400,000JP-7 Mk1IIINone$575,000
AP Scalar Mk2$800,000AP Scalar Mk1IIINone$1,375,000
AP Scalar Mk3$1,600,000AP Scalar Mk2IIINone$2,975,000
CB45 Mk1$15,000MC-10 Mk1I15 years$30,000
CB45 Mk2$30,000CB45 Mk1I25 years$60,000
CB45 Mk3$60,000CB45 Mk2II35 years$120,000
JP-7 Mk1$160,000MC-10 Mk1IINone$175,000
JP-7 Mk2$320,000JP-7 Mk1IINone$495,000
JP-7 Mk3$640,000JP-7 Mk2IIINone$1,135,000
MC-10 Mk1$15,000NothingAnyNone$15,000
MC-10 Mk2$30,000MC-10 Mk1INone$45,000
MC-10 Mk3$60,000MC-10 Mk2IINone$105,000
PDW90 Mk1Not in Shipments----
PDW90 Mk2Not in Shipments----
PDW90 Mk3Not in Shipments----
Harris 500 Mk1$15,000NothingAnyNone$15,000
Harris 500 Mk2$30,000Harris 500 Mk1INone$45,000
Harris 500 Mk3$60,000Harris 500 Mk2IINone$105,000
ORDR-12 Mk1$160,000Harris 500 Mk1IINone$175,000
ORDR-12 Mk2$320,000ORDR-12 Mk1IINone$495,000
ORDR-12 Mk3$640,000ORDR-12 Mk2IIINone$1,135,000
TAG-12K Mk1$400,000ORDR-12 Mk1IIINone$575,000
TAG-12K Mk2$800,000TAG-12K Mk1IIINone$1,375,000
TAG-12K Mk3$1,600,000TAG-12K Mk2IIINone$2,975,000
DP-9 Mk1FreeNothingAnyNoneFree
DP-9 Mk2$25,000DP-9 Mk1INone$25,000
LBR-44 Mk1$100,000DP-9 Mk1IINone$100,000
LBR-44 Mk2$200,000LBR-44 Mk1IINone$300,000
Vulture 50 Mk1$300,000LBR-44 Mk1IIINone$400,000
Vulture 50 Mk2$600,000Vulture 50 Mk1IIINone$1,000,000

Most Mk1 guns can also be bought from the Arms Dealer, but only as a Civilian and at three times the Black Market price.

What the Mk upgrades change

Damage per bullet and fire rate never change between Mks. Mk2 usually stretches the damage drop-off so the gun hits harder at mid range. Mk3 adds magazine size and a few metres of full damage. That matters for weak long-range guns: the MC-10 Mk1 needs 20 hits at 50 m, the Mk3 needs 15. For guns that already hit at full power at 50 m, such as the SR Reaper and STAR-H, a higher Mk buys you a bigger magazine and nothing else in these tests.

Best picks by budget

Starting out (under $50,000 of research)

Unlock the KL-545 Mk1 first. Nothing else this cheap stays strong at range: 0.60 s at 20 m and 0.70 s at 50 m. The MC-10 Mk1 and DP-9 Mk1 fall away badly past their short full-damage range. See KL-545 Mk1 vs MC-10 Mk1.

Mid game ($100,000 to $250,000)

  • STAR-H Mk1: $125,000 of research from scratch, and it needs 180 years of jail time. Five hits and 0.48 s at both ranges, but only 20 rounds.
  • RC 5.56 Mk1: $225,000 from scratch with no jail time needed. 0.54 s at both ranges with a 30-round magazine.
  • KL-545 Mk3: $175,000 from scratch. Same speed as the Mk1 up close, slightly faster at 50 m, and 45 rounds.

Head to head: STAR-H Mk1 vs RC 5.56 Mk1 and KL-545 Mk3 vs RC 5.56 Mk1.

Top end

The SR Reaper Mk1 is the fastest knock-down in the game: six hits, 0.40 s, at 20 m and 50 m alike. It costs $625,000 of research, needs a level III district and sells for $120,000. The Mk3 doubles the magazine to 40 rounds, which is the real reason to keep going.

The DRM-14 hits for 34 and keeps full damage to 95 m, so it needs only three hits at any range we tested. It is semi-automatic, and it needs 950 years of jail time on top of a level III district. Compare it with the Reaper: SR Reaper Mk1 vs DRM-14 Mk1.

Best picks by role

Indoors and close range

Inside 10 m every shotgun needs two shots. The TAG-12K fires fastest, so it knocks a target down in 0.25 s. The ORDR-12 takes 0.35 s and the Harris 500 0.50 s. At 50 m a shotgun pellet does 1 damage, so never take one into an open-street fight. See TAG-12K Mk1 vs AP Scalar Mk1.

SMGs

The AP Scalar fires 1,000 rounds a minute and is the quickest SMG at 20 m (0.42 s). The JP-7 is close behind at 0.48 s for far less research. Both lose a lot past 30 m, where a rifle is better: JP-7 Mk1 vs KL-545 Mk1.

Sidearms

The LBR-44 Mk1 ($100,000 of research) and Vulture 50 Mk1 ($400,000) hit for 34 and 36. That is three hits at 20 m and four at 50 m, which is as good as many rifles. The Vulture is a little faster: LBR-44 Mk1 vs Vulture 50 Mk1.

Loot-only guns

The LM 249 Mk2 and the PDW90 family are not in Shipments and are not sold on the Black Market. Our data lists them in weapon loot spots, so finding one is the only way to get it. The LM 249 is worth keeping: 0.42 s at both ranges and a 200-round belt, though its reload takes 5 seconds. See LM 249 Mk2 vs SR Reaper Mk1.

Plan your weapon unlocks in the Shipments planner, and read our beginner's guide if you are still finding your feet in Looty Bay.

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