M4A4 | Mainframe (Factory New)
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182 offers
FN
0.057610765099525
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.059878997504711
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.052679598331451
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.053604509681463
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.055329009890556
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.053542450070381
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.28
FN
0.053505722433329
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.062794737517834
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.069523900747299
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.055769741535187
100%
Vitality | 2020 RMR
![Vitality | 2020 RMR]()
Vitality | 2020 RMR
100%
$0.01
Instant Your purchase will be delivered instantly.
$0.29
FN
0.056684590876102
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.064996026456356
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.052179656922817
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.049223929643631
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.050484966486692
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.061766892671585
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.062710203230381
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.049996148794889
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.065883904695511
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.065837033092976
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.051927771419287
Up to 12H Delivery may take up to 12 hours. You can cancel if the seller doesn't create the trade within 30 minutes.
$0.29
FN
0.063220202922821
Instant Your purchase will be delivered instantly.
$0.30
FN
0.064271427690983
Instant Your purchase will be delivered instantly.
$0.30
FN
0.067747488617897
Instant Your purchase will be delivered instantly.
$0.30
FN
0.062619663774967
Instant Your purchase will be delivered instantly.
$0.30
FN
0.051868338137865
Instant Your purchase will be delivered instantly.
$0.30
FN
0.059009604156017
Instant Your purchase will be delivered instantly.
$0.30
FN
0.068358629941940
Instant Your purchase will be delivered instantly.
$0.30
FN
0.060719259083271
100%
Spirit | 2020 RMR
14%
Heroic | Paris 2023
![Spirit | 2020 RMR]()
Spirit | 2020 RMR
100%
$0.05
![Heroic | Paris 2023]()
Heroic | Paris 2023
14%
$0.01
Total: $0.06
Instant Your purchase will be delivered instantly.
$0.30
FN
0.057445596903563
Instant Your purchase will be delivered instantly.
$0.30
FN
0.055890232324600
Instant Your purchase will be delivered instantly.
$0.30
FN
0.056547649204731
Instant Your purchase will be delivered instantly.
$0.30
FN
0.057878486812115
Instant Your purchase will be delivered instantly.
$0.30
FN
0.062037091702223
Instant Your purchase will be delivered instantly.
$0.30
FN
0.057804804295301
Instant Your purchase will be delivered instantly.
$0.30
FN
0.060510352253914
25%
Natus Vincere | 2020 RMR
31%
Natus Vincere | Paris 2023
32%
Natus Vincere | Paris 2023
0%
Fnatic | Paris 2023
0%
Fnatic | Paris 2023
![Natus Vincere | 2020 RMR]()
Natus Vincere | 2020 RMR
25%
$0.03
![Natus Vincere | Paris 2023]()
Natus Vincere | Paris 2023
31%
$0.02
![Natus Vincere | Paris 2023]()
Natus Vincere | Paris 2023
32%
$0.02
![Fnatic | Paris 2023]()
Fnatic | Paris 2023
0%
$0.01
![Fnatic | Paris 2023]()
Fnatic | Paris 2023
0%
$0.01
Total: $0.09
Instant Your purchase will be delivered instantly.
$0.30
FN
0.056641079485416
Instant Your purchase will be delivered instantly.
$0.30
FN
0.058748379349709
Instant Your purchase will be delivered instantly.
$0.30
FN
0.056811373680830
Instant Your purchase will be delivered instantly.
$0.30
FN
0.067427419126034
100%
apEX | Berlin 2019
![apEX | Berlin 2019]()
apEX | Berlin 2019
100%
$0.06
Instant Your purchase will be delivered instantly.
$0.30
FN
0.065992191433907
Instant Your purchase will be delivered instantly.
$0.30
FN
0.053503856062889
Instant Your purchase will be delivered instantly.
$0.30
FN
0.057200796902180
Instant Your purchase will be delivered instantly.
$0.30
FN
0.051143158227205
Instant Your purchase will be delivered instantly.
$0.30
FN
0.061267152428627
Instant Your purchase will be delivered instantly.
$0.30
FN
0.054681204259396
Instant Your purchase will be delivered instantly.
$0.30
FN
0.055856309831142
Instant Your purchase will be delivered instantly.
$0.30
FN
0.054613299667835
Instant Your purchase will be delivered instantly.
$0.30
FN
0.055699393153191
Instant Your purchase will be delivered instantly.
$0.30
FN
0.054793395102024
Instant Your purchase will be delivered instantly.
$0.30
M4A4 | Mainframe (Factory New)
The M4A4 | Mainframe (Factory New) is an Industrial Grade rifle skin that turns the M4A4 into a working piece of hardware — a black body detailed to look like computer components, with electrical contacts and connectors picked out in bright green and blue. Factory New is the top grade, showing every trace and contact point at full sharpness.
Design
Mainframe leans hard into its CPU theme: the base reads as a black circuit board, wired with tiny connectors and electrical contacts, and the whole thing is lit by green and blue accents that stand in for signal paths. Valve built the finish in-house, and it ships with a fitting one-liner — "At the heart of it all." It's a tech-forward look that suits a low-key, wired loadout.
M4A4 | Mainframe (Factory New) Float and Wear
The finish runs from 0.00 to 0.50, so Factory New sits right at the top of that range. At this grade the black board stays deep and even, the green and blue accents glow at their most vivid, and none of the fine connector detail is muddied by scratches. For anyone who wants the circuitry rendered exactly as designed, this is the grade to reach for.
M4A4 | Mainframe Rarity
Rarity: Industrial Grade — the light-blue tier, sitting second from the bottom of the standard weapon grades, one step above Consumer and below Mil-Spec. It's a common grade to pull, which is a big part of why this skin stays so approachable.
M4A4 | Mainframe Case and Collection
Mainframe belongs to The 2018 Nuke Collection, introduced with the FACEIT 2018 update in September 2018. There's no weapon case behind it — copies reach players through the Nuke Souvenir Packages handed out at Majors and through the market, rather than unboxing. As an Industrial-grade finish it's one of the more plentiful items tied to the collection.
M4A4 | Mainframe Patterns
There's no random pattern roll on this finish — the circuit-board art lands in exactly the same place on every copy, so there's no paint seed or blue-gem to hunt down. The only things that tell one from another are float and exterior.
StatTrak & Souvenir
There's no StatTrak version — that variant is seeded into weapon cases, and Mainframe has never shipped inside one. A Souvenir edition does exist, though: Souvenir copies drop only from the Nuke Souvenir Packages awarded at Majors, starting with the London 2018 Major, and can carry commemorative gold stickers that make them the collector's pick. Souvenir items are never StatTrak.
M4A4 | Mainframe Price
Factory New sits at the top of this finish's own ladder as the highest and rarest grade — but even here Mainframe stays a budget pick among M4A4 skins, so the cleanest copy is easy on the wallet. It's available to buy on Skin.Land with instant delivery and no hidden fees.
FAQ
Is the Factory New Mainframe worth paying up for?
If you want the sharpest render of the circuit-board detail, yes — Factory New keeps the connectors crisp and the green-blue accents at their brightest. That said, the whole finish is budget-priced, so the step up from Minimal Wear is small in absolute terms. Grab it if you like your skins spotless.
Which gloves go with Mainframe?
Its black base with green and blue circuitry suits a dark, tech-flavored loadout. Black or dark-gray gloves keep the stealthy vibe, while a pair with teal or green accents echoes the signal-path lighting. Anything too warm or bright fights the cool palette, so lean cool and understated.
Does the Mainframe have StatTrak?
No. StatTrak versions are seeded only into weapon cases, and this finish comes from The 2018 Nuke Collection rather than a case, so there's no kill-counter edition. What it does have is a Souvenir variant from the Nuke Souvenir Packages — the collectible route rather than the stat-tracking one.
