MAG-7 | BI83 Spectrum: trade up odds, float & price

Restricted Heavy skin from the Operation Riptide Collection. Float range 0.00 – 0.60, 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 Operation Riptide Collection with a 20% chance per contract.

MAG-7 | BI83 Spectrum price by wear

Wear	Float	Price	StatTrak™
Factory New (FN)	0.000 – 0.070	$5.94	$9.35
Minimal Wear (MW)	0.070 – 0.150	$2.96	$3.73
Field-Tested (FT)	0.150 – 0.380	$2.12	$2.48
Well-Worn (WW)	0.380 – 0.450	$1.95	$3.05
Battle-Scarred (BS)	0.450 – 0.600	$1.99	$2.38

Price check, 2026-11-11: the cheapest MAG-7 | BI83 Spectrum is Well-Worn at $1.57 on CS.MONEY. Factory New costs $4.23, 2.7× as much. StatTrak™ costs 1.2–1.8× the normal price. On the Steam Market the Field-Tested sells for $2.12, 23% above the cheapest marketplace listing.

How to trade up into the MAG-7 | BI83 Spectrum

Put 10 Mil-Spec skins from the Operation Riptide Collection into a trade up contract. The collection has 5 Restricted skins, so with all 10 inputs from this collection the BI83 Spectrum has a 20% chance (the other outcomes are FAMAS | ZX Spectron, Five-SeveN | Boost Protocol, M4A4 | Spider Lily, MP9 | Mount Fuji). Mixing in another collection lowers the chance in proportion to the inputs you replace.

Inputs (Mil-Spec): AUG | Plague, PP-Bizon | Lumen, Dual Berettas | Tread, G3SG1 | Keeping Tabs, MP7 | Guerrilla, USP-S | Black Lotus, XM1014 | Watchdog.
Factory New result: average normalised input float ≤ 0.1167.
Minimal Wear result: average normalised input float ≤ 0.2500.
Output float: 0.00 + average × 0.60 – see the float guide.

Cheapest MAG-7 | BI83 Spectrum trade ups right now

10 identical Mil-Spec inputs from the Operation Riptide Collection at today’s prices. Every contract below has a 20% chance of this skin – open one to change floats, wear or fee.

Contract	Cost	EV	ROI	Chance of profit
10× G3SG1 \| Keeping Tabs FN Mil-Spec → Restricted	$37.20	$30.69	-17.5%	20.0%	Open in calculator
10× G3SG1 \| Keeping Tabs StatTrak™ FN Mil-Spec → Restricted	$58.80	$39.71	-32.5%	20.0%	Open in calculator
10× PP-Bizon \| Lumen StatTrak™ BS Mil-Spec → Restricted	$11.10	$7.49	-32.6%	20.0%	Open in calculator
10× MP7 \| Guerrilla StatTrak™ WW Mil-Spec → Restricted	$12.90	$8.04	-37.7%	0.0%	Open in calculator
10× PP-Bizon \| Lumen StatTrak™ MW Mil-Spec → Restricted	$30.70	$18.89	-38.5%	20.0%	Open in calculator
10× Dual Berettas \| Tread WW Mil-Spec → Restricted	$7.60	$4.65	-38.8%	0.0%	Open in calculator
10× G3SG1 \| Keeping Tabs StatTrak™ FT Mil-Spec → Restricted	$15.90	$9.51	-40.2%	20.0%	Open in calculator
10× MP7 \| Guerrilla BS Mil-Spec → Restricted	$7.20	$4.05	-43.7%	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 | BI83 Spectrum
Open in the calculator (auto-builds the cheapest contract)