The 2021 Train Collection — CS2 Trade-Up Guide

All 17 skins in The 2021 Train Collection with float ranges and the cheapest cached market price, plus 3 trade-up paths and every possible outcome. Use the calculator to plan a contract with exact float math and live prices.

Mil-Spec Grade

	Skin	Float range	Cheapest cached price
	AUG | Amber Fade	0.00 – 0.40	$9.23 (Factory New)
	Desert Eagle | Sputnik	0.00 – 0.50	$9.20 (Factory New)
	M4A1-S | Fizzy POP	0.00 – 0.57	$13.89 (Factory New)
	R8 Revolver | Blaze	0.00 – 0.08	$5.50 (Factory New)
	SSG 08 | Spring Twilly	0.00 – 0.55	$7.48 (Factory New)
	Tec-9 | Safety Net	0.00 – 0.60	$3.88 (Minimal Wear)
	UMP-45 | Full Stop	0.00 – 0.60	$4.89 (Minimal Wear)

Restricted

	Skin	Float range	Cheapest cached price
	AWP | POP AWP	0.00 – 0.44	$52.11 (Factory New)
	CZ75-Auto | Syndicate	0.00 – 0.70	$25.00 (Factory New)
	MP5-SD | Autumn Twilly	0.00 – 0.58	$20.84 (Factory New)
	Nova | Red Quartz	0.00 – 0.40	$26.75 (Factory New)
	P2000 | Space Race	0.00 – 0.60	$33.52 (Minimal Wear)

Classified

	Skin	Float range	Cheapest cached price
	FAMAS | Meltdown	0.00 – 0.40	$98.20 (Factory New)
	MAC-10 | Propaganda	0.00 – 0.62	$81.00 (Minimal Wear)
	USP-S | Whiteout	0.06 – 0.80	$161.00 (Minimal Wear)

Covert

	Skin	Float range	Cheapest cached price
	Glock-18 | Gamma Doppler	0.00 – 0.50	$121.00 (Factory New)
	M4A4 | The Coalition	0.00 – 1.00	$1370.00 (Factory New)

Trade-up paths in The 2021 Train Collection

Outcome floats follow the CS2 formula: the average adjusted float of your 10 inputs, rescaled into each outcome's float range. SuperTradeUps computes this exactly, including the post-October-2025 normalized float system.