M4A1-S | Nitro

- Wear range
- 0.06–0.80
- Released
- 2013-11-27
- Paint kit
- 254
- Finish style
- Solid Color
- Sources
- The Safehouse Collection
- Drop chance (estimate)
- The Safehouse Collection:15.98%
Steam market price
CNY
Introduction
If you want a low-key rifle look that still reads clearly in third person, weapon | Nitrogenous (often shortened on listings) is one of those early Safehouse pieces that trades on contrast, not busy artwork. Black base, mandarin orange on selected parts—the whole identity is where the two colors meet and whether that line stays sharp at your float.
Release & market vibe
Dropping 27 November 2013, it sits in the first wave of stable mil-spec finishes. Years of drops and trades mean supply is usually comfortable; price moves tend to be gradual rather than patch-day spikes. That makes it a sensible pick for set-building (pairing with other Safehouse tones) or for learning how float and wear change a simple two-tone skin—without treating it like a lottery pull from a single case.
Designer & collection
Valve handled the design in-house. No layered graphics—just deliberate color placement on the model. It belongs to the Safehouse Collection, so it flows through that ecosystem’s drops and resale rather than living as a one-box chase item. Planning the full map palette? Slot this in with sibling entries instead of hunting it in isolation.
Skin specs (facts that matter for buying)
Official line: parts of the weapon are painted black and mandarin orange. Finish type: solid color. Rarity: Mil-Spec (Rare). Wear span: 0.06–0.80.
<i>She was as good as she thought she was … she’s just too young to realize you shouldn’t tell anyone that. — Commander Felix Riley</i>
From a distance you get a clean, high-contrast silhouette. Up close, wear is the entire story: at the low end of the range, “near Factory New” still isn’t trivial because float starts at 0.06; push toward high wear and the orange can look muddy, edges soften, and black panels pick up obvious scuffs and base show-through.
What to inspect before you pay
Load in-game inspect or compare seller screenshots at the same wear tier:
- Is the mandarin still saturated, or washed out on the parts you see most?
- Are black zones clean, or already streaky at this float?
- Does the color break land on areas you actually look at (receiver, handguard, stock—whatever your eye tracks)?
Solid colors don’t hide flaws with pattern seeds; you’re buying edge clarity and personal tolerance for scratches.
Shop verdict
Worth it if you’re curating Safehouse colors, want a cheap-ish mil-spec with strong read at range, or you’re practicing float shopping without meme-skin volatility. Skip or downgrade wear if you care about razor-sharp orange/black borders—pay for a better float only when inspect proves the seam is crisp.
On C5GAME, filter to your target wear band and compare several listings side by side; don’t overpay for “FN” labels if the junction already looks fuzzy in photos. Steam Community Market works too when you want direct wallet flow—same rules: same float band, same scrutiny on the split line.
Editor muttering
Early mil-specs like this are the unsung teachers of the market: they remind you that 0.06 floor exists for a reason, and that “simple” skins punish lazy buying more than loud ones do. Nitrogenous won’t flex in lobby chat—but when the orange is still juicy and the black reads clean, it’s oddly satisfying for the money. If the quote on the card makes you smirk, that’s free flavor on top.