PRICE FOR EACH BUTTON- $4 Current quantity of hand- 400 pieces Silicone Rubber Cap Button Flashlights, Electronics, Perst 4, Airsoft, DIY, PCB OEM Perst 4 silicone push button cap for Airsoft clones. I suppose these can be used for legit models too if the original got damaged but I can't guarantee compatability. To me, I don't see a reason why it wouldn't work. These can also be used for DIY projects, replacing flashlight caps, circuit boards, and many other things. IMPORTANT- All orders will be shipped via letters with stamps due to shipping costs and seller fees. If you plan on buying 5 or more, your order will be shipped in a normal packaging envelope and a tracking number will be provided. Dimensions- Outer seal diameter 18mm, thickness 1.5mm. Button diameter 15mm, total height 8mm. Inner diameter 13mm. Nub inside the button- diameter 5mm, height 3mm.