Valken Sierra Airsoft Goggles w/ Thermal Lens Lens:Yellow If you're using the HK45

If you're using the HK45 GBB pistol as your preferred sidearm for airsoft games

000 rounds on your enemies

Total rifle length: 614 mm / 800 mm (once the stock is extended)

This will work on most M4 style AEGs though might require shortening of the back of the receiver to mount this plate

Valken Sierra Airsoft Goggles w/ Thermal Lens Lens:Yellow If you're using the HK45The Valken Sierra Thermal Goggles are a low profile, thermal lens goggle that is very resistant to cold and heat. These tactical goggles provide excellent resistance to fogging caused by temperature differences between indoor and outdoor, or between on site and ambient environment. The Sierra airsoft goggles are perfect to be used as airsoft eye protection, or during other work related jobs against chemical splash, sun glare, dust, flying particles,