Geonox Airsoft got the compact SIG Air ProForce MPX K AEG if it is something he can recommend as a primary for close quarters games. The SIG MPX Rifle is a versatile airsoft gun, said to be perfect for close-quarters combat. Its lightweight polymer construction and compact design make it easy to maneuver, while its ambidextrous controls cater to both right-handed and left-handed users. The adjustable hop-up and customizable M-Lok handguard allow for precise shooting and personalized setup. The V2 gearbox with a quick-change spring system offers flexibility and easy maintenance.