Search query: airsoft guns full auto professional grade

Product: ESSLNB Red Dot Scope 4 Reticles Gun Sight Scope Reflex Sight for Airsoft Guns Pistol Shotgun with 20/22mm Weaver Picatinny Rail Mount (Black Sight Scope)
Brand: ESSLNB
Color: black color
Relevance: Complement
Mounting:
Your E/D sight includes an integrated rail that fits standard, dovetailed bases. This is suitable for most applications. Because of unlimited eye-relief with the E/D sight, you should provide at least three inches of clearance between the end of LED & Mirror Housing and your eye. Set the rail onto the base so that the rail claw align with the crosscut grooves. Work the claw into the base until the cross-bolt seats into the groove. Securely tighten the locking screw with an Allen wrench included in the E/D sight.
Features:
Constructed by aluminum alloy with anodized matte black processing
Anti-glare reflective coated lenses that gives good optical clarity
A 5-position rheostat illumination (Red & Green)
Offers 4 different reticles (Circle Dot, Cross, 1 MOA) for optimum versatility
Battery: 1*CR2032（PACKAGE NO INCLUDE)
Fully adjustable windage and elevation
With integrated mount for most 20mm Weaver/Picatinny/RIS rail
Rubber protective cover (Included)
Specification:
Weight:4.1oz/115g
Objective aperture: 33mm
Field of View: 15.8@ 100m
1 Click: 1moa
Length: 82mm
Package size: 4.5 x 3 x 2.8 inch

Package Includes :
1x 4 Reticle Reflex Red Green Dot sight scope w/20mm rail
1x Allen Wrench
1 x Rubber lens Cap Cover
1 x Cleaning Cloth
Tubeless Design:Tubeless design with 33mm reflex sight lens aperture provides a wide field of view of 15.8 at 100m ,suitable for rapid moving targets and normal targets
4 Reticles Red Dot Scope: Dual illuminated ( red and green), 4 reticle shapes offer unlimited eye-relief and corrected parallax and various choices in different occasions, like sunshine, cloudy day.
Durability and Solid Construction: Made of high grade Aluminum Alloy, the rifle scope rifle optics is durable and light weight, waterproof and shockproof. Low power consumption for long battery life. Rubber dust cover offer better protection.
Good Eye Relief: Tailor the brightness to your environment with 5 brightness levels for both red, green Illumination. (Circle Dot, Cross, 1 MOA),which can be suitable at any light condition,unaffected by extreme weather conditions
Easy to Use: Built-in mount ( 20mm Weaver/Picatinny ) for standard bases, Very sturdy and secure rail mounting system. no need to rezero when remounting the dismounted sight. Allen Wrench included helps you adjust elevation and windage easily, with locking screw

Product: SOFT AIR USA Colt M4A1 M4 CQBR AEG Electric Airsoft Rifle with Adjustable Hop-Up, Black, 453 FPS
Brand: Soft Air
Color: Black
Relevance: Exact
Velocity: 395 FPS w/.20g BBs
Mag Cap: 350 rds
Full Colt trademarks
Metal outer barrel, charging handle, and magazine release
Adjustable stock