5.021.0150.0
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Interactive 3D model of Picatinny Rail

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Picatinny Rail

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Bounding box
21.0 × 5.0 × 150.0 mm
Engine
Precision B-rep
Parameters
13
Published
November 2, 2026

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do you know picatinny rail dimensions?

Parameters

NameValueRange
Total Length150 mm50 – 500
Rail Height5 mm3 – 10
Base Width19 mm15 – 25
Web Width10 mm5 – 15
Top Width21 mm17 – 25
Base Height2 mm1 – 4
Stem Height1 mm0.5 – 3
Top Height2 mm1 – 4
Number of Slots101 – 50
Slot Width12 mm6 – 20
Slot Depth2.5 mm1 – 4
Slot Spacing10 mm5 – 30
Fillet Radius0.5 mm0 – 2

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Picatinny Rail - Free CAD Model (STEP, STL) | TextoCAD