Elite Force Axeon Trisyclon - Red / Green / Blue Dot Sight Scope Laylax Nineball This is for the HK45

This is for the HK45 co2 non-blowback airsoft pistol only

Slightly more compact than the regular USP by HK

and allows the motor to run more efficiently

0E AEG - Desert Tan color - a combat machine airsoft M4 that's new for 2017

The 20 MOA varient features a widened base

Elite Force Axeon Trisyclon - Red / Green / Blue Dot Sight Scope Laylax Nineball This is for the HK45Elite Force Axeon Trisyclon Dot Sight Scope. Awesomely designed Axeon sight illuminates Red Green Blue dot reticle for fast target acquisition. Fits on all standard top rail receivers. Looks great on the M4 platform. If you're unsure of what type of red dot sight to get for your airsoft gun, this is a sure bet of something that will make all airsoft players happy. A solidly built and easy to use sight! Includes batteries 1x30mm scope. 5 MOA dot size.