![1girl aks-74 assault_rifle black_hair brown_eyes camouflage chinese_commentary commentary_request dark_skin gp-25 grenade_launcher gun highres holding holding_gun holding_weapon military military_uniform nikolai_ezhov original rifle scope short_hair simple_background solo underbarrel_grenade_launcher uniform weapon rating:s score:6 1girl aks-74 assault_rifle black_hair brown_eyes camouflage chinese_commentary commentary_request dark_skin gp-25 grenade_launcher gun highres holding holding_gun holding_weapon military military_uniform nikolai_ezhov original rifle scope short_hair simple_background solo underbarrel_grenade_launcher uniform weapon](/cdn_image/preview/10/dd/10dd6c50ba81f57d0473febeb1d5f34e.jpg)
The GP-25 Kostyor (Bonfire) is a Russian 40mm underbarrel grenade laucher designed for use with the AK series of weapons. It consists of a short barrel, a simple trigger mechanism, and a small pistol grip at it's rear.
This tag implicates underbarrel_grenade_launcher (learn more).