The ornamental design for a spraygun, as shown and described.
1. Spray gun
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Top
1.5 : Bottom
1.6 : Left
1.7 : Right
1.8 : Sectional view
This article is a spray gun that applies chemicals, parting agents, glue, coating materials, or the like; the features shown in dotted lines depict environmental subject matter only and form no part of the claimed design; the broken lines having alternating long and short segments define bounds of the claimed design and form no part thereof (disclaimer); thin lines drawn on surfaces of this article is shading lines identifying a shape of a three-dimensional surface; the sectional view, 1.8, is a partial sectional view taken along the vertical center of the front view, 1.2.