Adjective
not capable of physical reflection
Source: WordNetThe current issue steel-reinforced matte true black nonreflective surface finished 7.62×39mm 30-round magazines, fabricated from ABS plastic weigh convert empty. Source: Internet
The third generation steel-reinforced 30-round 7.62×39mm magazine is similar to the second generation, but is darker colored and has a matte nonreflective surface finish. Source: Internet