M4 Cleaning Kits Very Enjoyable Which Is Better To Use In Airsoft An M4-A1 Or M16?

Which is better to use in airsoft an M4-A1 or M16? - m4 cleaning kits very enjoyable

Which is better for the use of a Tokyo Mauri Airsoft M4 Electric Power;
EG1000 Shooting modes: Semi, Full Auto Hop-Up: Yes, Power: 280 fps Battery size: large
TMM4A1 Tokyo Mauri M4-A1 Full Scale AEG Complete Kit. Complete kits include cleaning rod, battery, charger, 100 BBS 20 grams and 300 cartridges.
Weight: 2980 grams
Starting from $ 399

Or M16

Features:
Flat Top Receiver Picatinny Weaver Rail
Stick Style Assault large battery
Adjustable front and rear sights
Interior and exterior metal barrel
Adjustable Front and Rear Sight
Adjustable Hop-Up
Compatible with Marui upgrades

The package includes: gun, battery, charger, manuals, magazines, cleaning rod
Full size - ABS PlasICT and Metal
Speed: 350.00 m / s at 20 grams BBS
Rate of Fire: Semi-Auto and Full Auto --
Gear Box: Version 2
Battery Type: Large
Starting from $ 359

Please help

PS are drawn: Both weapons tested and a ACOG scope and a spare battery also comes with Red Dot Sight