Gun Tools/Paint planner/Updated September 28, 2026

Diamond Sig M400 Paint Job (Black Ops 2 Camo)

Light blue and blue shards over white with bright flecks on a Sig Sauer M400. The look comes from Black Ops 2. The pattern is painted on the gun below with real spray can colors; reroll it, change brands, or paint over it by hand.

Diamond on a Sig M400, on a real photo

Reroll the layout, switch paint brands, or paint over it by hand. Render saves a picture with shadows, Share gives you a link.

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See prices for the Sig Sauer M400Photo from the retailer listing

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Spray cans for a diamond Sig M400

In spray order, lightest first. Either brand works; do not mix them in one job.

Krylon

  1. 1COLORmaxx Flat White
  2. 2COLORmaxx Gloss Blue Ocean Breeze
  3. 3COLORmaxx Gloss True Blue

Rust-Oleum

  1. 1Painter's Touch 2X Flat White
  2. 2Painter's Touch 2X Gloss Spa Blue
  3. 3Painter's Touch 2X Gloss Deep Blue

How to spray diamond on a Sig M400

  1. 1. Strip it down

    Pull the bolt carrier group and charging handle, and split the upper from the lower. Take the optic off or plan to tape it.

  2. 2. Degrease everything

    Wipe every outside surface with acetone or isopropyl alcohol. Paint will not hold over gun oil.

  3. 3. Mask what moves

    Plug the chamber and muzzle, tape the ejection port, magazine well, trigger and safety, and cover the optic lenses.

  4. 4. Base coat in white

    Two light coats over the whole gun, 8 to 12 inches away, 10 minutes apart.

  5. 5. Blue ocean breeze through a splinter stencil

    Lay a splinter stencil sheet on the gun and spray blue ocean breeze through it.

  6. 6. True blue through a splinter stencil

    Lay a splinter stencil sheet on the gun and spray true blue through it.

  7. 7. White specks

    Flick small specks of white: a short burst from a foot away, or a stiff brush dipped in paint.

  8. 8. Let it cure

    Handle it after an hour but give it a full day before it goes in a case, and a few days before hard use.

More Sig M400 paint jobs

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Frequently Asked Questions

What spray paint do you need for a diamond Sig M400?

3 cans, sprayed in this order: Krylon Flat White, Gloss Blue Ocean Breeze, Gloss True Blue; or Rust-Oleum Flat White, Gloss Spa Blue, Gloss Deep Blue.

Can you rattle can diamond on a Sig M400 yourself?

Yes. Strip and degrease the Sig M400, mask what moves, lay the lightest color first and build the pattern light to dark with tape, stencils or netting. Plan on an afternoon plus a day to cure.

Cite this tool: GunPartPicker, “Diamond Sig M400 Paint Job (Black Ops 2 Camo)”, https://gunpartpicker.net/gun-paint-planner/sig-m400/diamond. Paint colors from the Krylon and Rust-Oleum color charts; gun photos credited under each gun. Free to cite with attribution.

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