StatTrak™ AK-47 | Case Hardened (Field-Tested)

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StatTrak™ AK-47 | Case Hardened (Field-Tested)

RegularStatTrak™Souvenir

Type Rifle

Rarity Classified

Category StatTrak™

Best offer

Field-Tested 0.275802373886110

$398.32 -38%

Steam: $639.63

Factory New55 on sale From $928.82

Minimal Wear73 on sale From $622.14

Field-Tested75 on sale From $398.32

Well-Worn53 on sale From $410.57

Battle-Scarred45 on sale From $360.58

75 offers

Nametag bak'n'bsnss

0.275802373886110

100%
fnx (Gold) | Antwerp 2022
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021

fnx (Gold) | Antwerp 2022
100%
$6.7
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Total: $23.02

Instant Your purchase will be delivered instantly.

$398.32

0.193662866950040

100%
boltz (Foil) | Krakow 2017
100%
kNgV- (Foil) | Krakow 2017
100%
LUCAS1 (Foil) | Krakow 2017
100%
HEN1 (Foil) | Krakow 2017

boltz (Foil) | Krakow 2017
100%
$12.32
kNgV- (Foil) | Krakow 2017
100%
$13.95
LUCAS1 (Foil) | Krakow 2017
100%
$16.46
HEN1 (Foil) | Krakow 2017
100%
$14.94
Total: $57.67

Instant Your purchase will be delivered instantly.

$412.00

0.152479082345960

0%
Froggles (Holo)
0%
Froggles (Holo)
0%
Froggles (Holo)

Froggles (Holo)
0%
$0.39
Froggles (Holo)
0%
$0.39
Froggles (Holo)
0%
$0.39
Total: $1.17

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$414.87

0.195350125432010

100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)

Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Total: $5.45

Instant Your purchase will be delivered instantly.

$422.57

0.275802373886110

100%
fnx (Gold) | Antwerp 2022
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021
100%
Virtus.Pro (Holo) | Stockholm 2021

fnx (Gold) | Antwerp 2022
100%
$6.7
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Virtus.Pro (Holo) | Stockholm 2021
100%
$4.08
Total: $23.02

Instant Your purchase will be delivered instantly.

$435.05

0.197529405355450

100%
War
100%
Aleksib (Glitter, Champion) | Copenhagen 2024
100%
Kimberly

War
100%
$0.2
Aleksib (Glitter, Champion) | Copenhagen 2024
100%
$0.04
Kimberly
100%
$1.04
Total: $1.28

Instant Your purchase will be delivered instantly.

$435.09

0.274635136127470

100%
Kawaii T (Holo)
100%
Kawaii Killer Terrorist
100%
Kawaii CT (Holo)
100%
Water Gun
100%
V For Victory (Holo)

Kawaii T (Holo)
100%
$6.08
Kawaii Killer Terrorist
100%
$0.74
Kawaii CT (Holo)
100%
$4.03
Water Gun
100%
$1.07
V For Victory (Holo)
100%
$4.73
Total: $16.65

Instant Your purchase will be delivered instantly.

$435.09

0.277023673057560

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$435.49

0.305436640977860

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$435.49

0.376642942428590

Baby's AK

Baby's AK
$0.14

Instant Your purchase will be delivered instantly.

$437.13

0.354698926210400

0%
Dragon Lore (Foil)
0%
Ouchie (Foil)
27%
Lucky (Gold) | Berlin 2019

Dragon Lore (Foil)
0%
$6.3
Ouchie (Foil)
0%
$2.07
Lucky (Gold) | Berlin 2019
27%
$14.37
Total: $22.74

Instant Your purchase will be delivered instantly.

$437.13

0.356491416692730

Instant Your purchase will be delivered instantly.

$437.13

0.265663444995880

100%
m0NESY (Holo) | Copenhagen 2024
100%
G2 Esports (Holo) | Copenhagen 2024

m0NESY (Holo) | Copenhagen 2024
100%
$5.48
G2 Esports (Holo) | Copenhagen 2024
100%
$1.83
Total: $7.31

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$437.45

0.198001578450200

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$437.54

0.379464328289030

100%
byali | MLG Columbus 2016
100%
Virtus.pro | Katowice 2015
100%
Virtus.Pro | Cologne 2014
100%
byali | Cologne 2015

byali | MLG Columbus 2016
100%
$2.99
Virtus.pro | Katowice 2015
100%
$16.03
Virtus.Pro | Cologne 2014
100%
$8.23
byali | Cologne 2015
100%
$2.88
Total: $30.13

Instant Your purchase will be delivered instantly.

$440.13

0.323018014431000

100%
Leaving The Station (Holo)
100%
Leaving The Station (Holo)
100%
Leaving The Station (Holo)
100%
Leaving The Station (Holo)
100%
Phoenix (Foil)
Big Brain

Leaving The Station (Holo)
100%
$4.23
Leaving The Station (Holo)
100%
$4.23
Leaving The Station (Holo)
100%
$4.23
Leaving The Station (Holo)
100%
$4.23
Phoenix (Foil)
100%
$2.19
Big Brain
$0.44
Total: $19.55

Instant Your purchase will be delivered instantly.

$440.13

0.329194277524950

100%
Natus Vincere (Foil) | 2020 RMR
100%
G2 (Foil) | 2020 RMR

Natus Vincere (Foil) | 2020 RMR
100%
$0.49
G2 (Foil) | 2020 RMR
100%
$0.51
Total: $1.00

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$443.38

0.171798303723340

100%
KSCERATO (Gold) | Rio 2022
100%
KSCERATO (Holo) | Austin 2025
100%
Mr. Chompy (Foil)
Baby's AK

KSCERATO (Gold) | Rio 2022
100%
$10.96
KSCERATO (Holo) | Austin 2025
100%
$0.6
Mr. Chompy (Foil)
100%
$1.53
Baby's AK
$0.14
Total: $13.23

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$444.25

0.313446938991550

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$444.25

0.303679704666140

Instant Your purchase will be delivered instantly.

$446.90

0.355795651674270

0%
ropz (Champion) | Austin 2025
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)

ropz (Champion) | Austin 2025
0%
$0.05
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Total: $9.29

Instant Your purchase will be delivered instantly.

$449.15

0.193662866950040

100%
boltz (Foil) | Krakow 2017
100%
kNgV- (Foil) | Krakow 2017
100%
LUCAS1 (Foil) | Krakow 2017
100%
HEN1 (Foil) | Krakow 2017

boltz (Foil) | Krakow 2017
100%
$12.32
kNgV- (Foil) | Krakow 2017
100%
$13.95
LUCAS1 (Foil) | Krakow 2017
100%
$16.46
HEN1 (Foil) | Krakow 2017
100%
$14.94
Total: $57.67

Instant Your purchase will be delivered instantly.

$449.98

0.195350125432010

100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)
100%
Cedar Creek (Holo)

Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Cedar Creek (Holo)
100%
$1.09
Total: $5.45

Instant Your purchase will be delivered instantly.

$461.53

Nametag ferrari

0.283788055181500

100%
Crown (Foil)
100%
Natus Vincere (Holo) | Stockholm 2021
100%
s1mple (Holo) | Antwerp 2022
100%
Swag (Foil)

Crown (Foil)
100%
$309.34
Natus Vincere (Holo) | Stockholm 2021
100%
$1.85
s1mple (Holo) | Antwerp 2022
100%
$9.3
Swag (Foil)
100%
$37.4
Total: $357.89

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$468.30

0.206479743123050

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$488.04

0.196533873677250

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$516.13

Nametag 这一枪叫晚安

0.215775206685070

100%
DickStacy | Katowice 2019
100%
BIG | London 2018

DickStacy | Katowice 2019
100%
$15.02
BIG | London 2018
100%
$0.59
Total: $15.61

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$520.34

0.231308862566950

100%
Fnatic | Atlanta 2017
100%
Natus Vincere | Atlanta 2017
81%
Natus Vincere | Atlanta 2017
100%
SK Gaming | Atlanta 2017

Fnatic | Atlanta 2017
100%
$3.58
Natus Vincere | Atlanta 2017
100%
$4.5
Natus Vincere | Atlanta 2017
81%
$4.5
SK Gaming | Atlanta 2017
100%
$2.98
Total: $15.56

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$530.31

0.363600134849550

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$530.57

0.370897233486180

100%
fer (Foil) | Cologne 2015
100%
Luminosity Gaming | Cologne 2015
100%
Winding Scorch
100%
Don't Worry, I'm Pro

fer (Foil) | Cologne 2015
100%
$12.96
Luminosity Gaming | Cologne 2015
100%
$10.28
Winding Scorch
100%
$0.15
Don't Worry, I'm Pro
100%
$0.71
Total: $24.10

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$531.54

0.169285491108890

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$532.27

0.217300623655320

100%
Natus Vincere (Holo) | Antwerp 2022
100%
KOI (Holo) | Copenhagen 2024
100%
KOI (Holo) | Copenhagen 2024
100%
KOI (Holo) | Copenhagen 2024

Natus Vincere (Holo) | Antwerp 2022
100%
$2.31
KOI (Holo) | Copenhagen 2024
100%
$6.32
KOI (Holo) | Copenhagen 2024
100%
$6.32
KOI (Holo) | Copenhagen 2024
100%
$6.32
Total: $21.27

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$564.80

0.304992318153380

100%
friberg | Cluj-Napoca 2015
100%
Ninjas in Pyjamas | DreamHack 2014
100%
Ninjas in Pyjamas | Cologne 2014
100%
Ninjas in Pyjamas | Katowice 2015

friberg | Cluj-Napoca 2015
100%
$1.64
Ninjas in Pyjamas | DreamHack 2014
100%
$17.49
Ninjas in Pyjamas | Cologne 2014
100%
$6.44
Ninjas in Pyjamas | Katowice 2015
100%
$9.03
Total: $34.60

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$572.28

0.304142177104950

100%
Team Liquid | Boston 2018
100%
Team Liquid (Holo) | Paris 2023
100%
Twistzz (Holo) | Shanghai 2024
100%
Twistzz (Holo) | Shanghai 2024

Team Liquid | Boston 2018
100%
$5.37
Team Liquid (Holo) | Paris 2023
100%
$0.62
Twistzz (Holo) | Shanghai 2024
100%
$3.73
Twistzz (Holo) | Shanghai 2024
100%
$3.73
Total: $13.45

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$578.57

Nametag 享受成爲的過程

0.292495727539060

Souvenir Charm | Budapest 2025 Highlight | mezii B-aps shutdown

Souvenir Charm | Budapest 2025 Highlight | mezii B-aps shutdown
$0.07

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$593.20

0.363816618919370

100%
nex (Foil) | Krakow 2017
100%
Team Liquid (Foil) | Cluj-Napoca 2015
100%
Natus Vincere (Holo) | MLG Columbus 2016

nex (Foil) | Krakow 2017
100%
$16.71
Team Liquid (Foil) | Cluj-Napoca 2015
100%
$25.95
Natus Vincere (Holo) | MLG Columbus 2016
100%
$31.49
Total: $74.15

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$596.77

0.166717559099200

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$607.75

Nametag T-2 Blue Gem

0.366116046905520

100%
KOI (Glitter) | Copenhagen 2024
36%
OG (Gold) | Austin 2025
32%
OG (Gold) | Austin 2025
33%
OG (Gold) | Austin 2025
36%
OG (Gold) | Austin 2025

KOI (Glitter) | Copenhagen 2024
100%
$0.46
OG (Gold) | Austin 2025
36%
$0.78
OG (Gold) | Austin 2025
32%
$0.78
OG (Gold) | Austin 2025
33%
$0.78
OG (Gold) | Austin 2025
36%
$0.78
Total: $3.58

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$619.77

0.372257441282270

100%
Global Elite (Foil)
100%
Global Elite (Foil)
100%
Global Elite (Foil)
100%
Global Elite (Foil)
100%
OG (Foil) | Austin 2025

Global Elite (Foil)
100%
$7.41
Global Elite (Foil)
100%
$7.41
Global Elite (Foil)
100%
$7.41
Global Elite (Foil)
100%
$7.41
OG (Foil) | Austin 2025
100%
$0.03
Total: $29.67

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$627.01

0.348655223846440

100%
dav1g | Copenhagen 2024
31%
FURIA (Gold) | Paris 2023
35%
FURIA (Gold) | Paris 2023
35%
FURIA (Gold) | Paris 2023
37%
FURIA (Gold) | Paris 2023

dav1g | Copenhagen 2024
100%
$0.01
FURIA (Gold) | Paris 2023
31%
$2.37
FURIA (Gold) | Paris 2023
35%
$2.37
FURIA (Gold) | Paris 2023
35%
$2.37
FURIA (Gold) | Paris 2023
37%
$2.37
Total: $9.49

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$627.08

0.242526382207870

100%
Abalone Strafe (Holo)
100%
Eternal Fire (Glitter) | Antwerp 2022
100%
Eternal Fire (Glitter) | Antwerp 2022
100%
Eternal Fire (Glitter) | Antwerp 2022

Abalone Strafe (Holo)
100%
$5.36
Eternal Fire (Glitter) | Antwerp 2022
100%
$0.82
Eternal Fire (Glitter) | Antwerp 2022
100%
$0.82
Eternal Fire (Glitter) | Antwerp 2022
100%
$0.82
Total: $7.82

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$627.09

0.260473668575290

100%
Renegades (Gold) | 2020 RMR
100%
ZywOo (Gold, Champion) | Paris 2023
100%
apEX (Gold, Champion) | Paris 2023
100%
apEX (Gold, Champion) | Paris 2023

Renegades (Gold) | 2020 RMR
100%
$1.41
ZywOo (Gold, Champion) | Paris 2023
100%
$6.22
apEX (Gold, Champion) | Paris 2023
100%
$1.47
apEX (Gold, Champion) | Paris 2023
100%
$1.47
Total: $10.57

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$645.00

0.291528731584550

100%
EliGE (Gold) | Paris 2023
100%
EliGE (Gold) | Paris 2023
100%
EliGE (Gold) | Paris 2023
100%
EliGE (Gold) | Paris 2023
0%
EliGE | Austin 2025
Die-cast AK

EliGE (Gold) | Paris 2023
100%
$1.65
EliGE (Gold) | Paris 2023
100%
$1.65
EliGE (Gold) | Paris 2023
100%
$1.65
EliGE (Gold) | Paris 2023
100%
$1.65
EliGE | Austin 2025
0%
$0.02
Die-cast AK
$2.11
Total: $8.73

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$645.15

0.318845719099040

100%
Magisk (Glitter, Champion) | Paris 2023
100%
Ninjas in Pyjamas (Holo) | Katowice 2015
100%
s1mple | MLG Columbus 2016
77%
Natus Vincere (Holo) | Katowice 2015

Magisk (Glitter, Champion) | Paris 2023
100%
-
Ninjas in Pyjamas (Holo) | Katowice 2015
100%
$88.76
s1mple | MLG Columbus 2016
100%
$17.99
Natus Vincere (Holo) | Katowice 2015
77%
$395.69
Total: $502.44

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$693.54

0.221699997782710

0%
Froggles (Holo)
100%
Move It
100%
k0nfig | Krakow 2017

Froggles (Holo)
0%
$0.39
Move It
100%
$0.15
k0nfig | Krakow 2017
100%
$2.3
Total: $2.84

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$752.58

0.185582444071770

100%
Crown (Foil)
100%
Ouchie (Foil)
100%
Ouchie (Foil)
100%
Ouchie (Foil)
100%
Ouchie (Foil)

Crown (Foil)
100%
$309.34
Ouchie (Foil)
100%
$2.07
Ouchie (Foil)
100%
$2.07
Ouchie (Foil)
100%
$2.07
Ouchie (Foil)
100%
$2.07
Total: $317.62

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$752.58

0.206834360957150

100%
donk (Holo, Champion) | Shanghai 2024
75%
donk (Glitter) | Copenhagen 2024
100%
Move It
100%
Zeused
100%
donk | Austin 2025
Die-cast AK

donk (Holo, Champion) | Shanghai 2024
100%
$1.71
donk (Glitter) | Copenhagen 2024
75%
$2.83
Move It
100%
$0.15
Zeused
100%
$0.21
donk | Austin 2025
100%
$0.3
Die-cast AK
$2.11
Total: $7.31

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$763.17

0.229368880391120

100%
Ninjas in Pyjamas | Cologne 2014
100%
Bash (Holo)
100%
Chi Bomb
100%
Warowl

Ninjas in Pyjamas | Cologne 2014
100%
$6.44
Bash (Holo)
100%
$3.91
Chi Bomb
100%
$0.68
Warowl
100%
$0.62
Total: $11.65

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$790.31

0.211596503853800

100%
rox (Glitter) | Antwerp 2022
100%
rox (Glitter) | Antwerp 2022
100%
rox (Glitter) | Antwerp 2022
100%
rox (Glitter) | Antwerp 2022

rox (Glitter) | Antwerp 2022
100%
$1.15
rox (Glitter) | Antwerp 2022
100%
$1.15
rox (Glitter) | Antwerp 2022
100%
$1.15
rox (Glitter) | Antwerp 2022
100%
$1.15
Total: $4.60

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$804.62

0.229335770010950

100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
100%
Blue Gem (Glitter)
Hot Sauce

Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Blue Gem (Glitter)
100%
$2.31
Hot Sauce
$0.16
Total: $11.71

Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.

$806.36

StatTrak™ AK-47 | Case Hardened (Field-Tested)

What the StatTrak™ counter does

The StatTrak™ AK-47 | Case Hardened (Field-Tested, FT) is the StatTrak™ copy of this skin — the same Classified finish, the same look, with a kill counter built into the model. Case Hardened takes its look from real-world color case hardening — steel heated with wood charcoal at high temperatures until the surface turns a marbled blue-gold-silver blend. Field-Tested spans 0.15–0.38 on the float scale — the middle grade, and usually the easiest one to find on the market.

What StatTrak™ changes about the price of the AK-47 | Case Hardened

Every confirmed kill with this weapon adds one to the number printed on the model. The count lives on the item rather than the account, which is why it survives trades and sales intact — and why it can never be wound back down. A StatTrak™ Swap Tool moves a count between two StatTrak™ items of the same type, which is as close to a reset as the game allows.

Where a StatTrak™ copy comes from

Expect to pay more than for the plain version: StatTrak™ copies are much thinner on the ground at any given finish and exterior. The premium tracks the skin itself, not the counter — buyers pay for the finish and the float, and a big number adds little.

FAQ

Part of The Arms Deal Collection, this finish drops from the CS:GO Weapon Case that arrived with the Arms Deal update in August 2013 — the game's first-ever weapon case. StatTrak™ is settled at the drop: a copy either leaves the case with a counter or never has one, and it cannot be added afterwards.

Can the StatTrak counter on the AK-47 | Case Hardened be reset?

No. The count only moves one way and stays with the item through every trade and sale. A StatTrak™ Swap Tool moves a count between two StatTrak™ items of the same type, which is as close to a reset as the game allows. It still cannot lower the number.

Does StatTrak change how the AK-47 | Case Hardened looks?

No, apart from the counter on the model. The finish, the pattern and the float range are identical to the plain version, so at the same exterior the two look the same in hand.