MAG-7 | Core Breach: trade up odds, float & price

Restricted Heavy skin from the 2018 Nuke Collection. Float range 0.00 – 1.00, available in Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred. You can get it from a trade up of 10 Mil-Spec skins of the 2018 Nuke Collection with a 33.3% chance per contract.

MAG-7 | Core Breach price by wear

Wear	Float	Price	StatTrak™	Souvenir
Factory New (FN)	0.000 – 0.070	$10.23	—	$23.89
Minimal Wear (MW)	0.070 – 0.150	$4.50	—	$7.03
Field-Tested (FT)	0.150 – 0.380	$1.35	—	$1.80
Well-Worn (WW)	0.380 – 0.450	$1.04	—	$1.74
Battle-Scarred (BS)	0.450 – 1.000	$0.86	—	$2.69

Souvenir = the Souvenir version of this skin, same price rule as the Price column. Souvenir prices depend on the stickers the item carries, so this is a floor, not the price of a particular item.

Price check, 2026-11-11: the cheapest MAG-7 | Core Breach is Battle-Scarred at $0.76 on CS.MONEY. Factory New costs $8.01, 11× as much. On the Steam Market the Field-Tested sells for $1.35, 32% above the cheapest marketplace listing.

How to trade up into the MAG-7 | Core Breach

Put 10 Mil-Spec skins from the 2018 Nuke Collection into a trade up contract. The collection has 3 Restricted skins, so with all 10 inputs from this collection the Core Breach has a 33.3% chance (the other outcomes are AUG | Random Access, Glock-18 | Nuclear Garden). Mixing in another collection lowers the chance in proportion to the inputs you replace.

Inputs (Mil-Spec): AWP | Acheron, MP5-SD | Co-Processor, P250 | Exchanger, P90 | Facility Negative.
Factory New result: average normalised input float ≤ 0.0700.
Minimal Wear result: average normalised input float ≤ 0.1500.
Output float: 0.00 + average × 1.00 – see the float guide.

Cheapest MAG-7 | Core Breach trade ups right now

10 identical Mil-Spec inputs from the 2018 Nuke Collection at today’s prices. Every contract below has a 33.3% chance of this skin – open one to change floats, wear or fee.

Contract	Cost	EV	ROI	Chance of profit
10× MP5-SD \| Co-Processor FN Mil-Spec → Restricted	$21.10	$23.44	+11.1%	33.3%	Open in calculator
10× MP5-SD \| Co-Processor FT Mil-Spec → Restricted	$2.10	$1.97	-6.3%	33.3%	Open in calculator
10× P90 \| Facility Negative WW Mil-Spec → Restricted	$2.10	$1.74	-17.0%	0.0%	Open in calculator
10× P250 \| Exchanger BS Mil-Spec → Restricted	$2.40	$1.74	-27.4%	0.0%	Open in calculator
10× P250 \| Exchanger MW Mil-Spec → Restricted	$5.10	$2.47	-51.6%	0.0%	Open in calculator

Steam Market prices, snapshot of 2026-09-27 (USD, before fees); the table refreshes with live prices on page load. Knives and gloves above Steam's $2,000 listing cap use the lowest marketplace price.

Build a contract for the MAG-7 | Core Breach
Open in the calculator (auto-builds the cheapest contract)