Also wouldn't the Thompson have it's foregrip retained in the 21st century given that most assault rifles have them now?
Actually in the 21st the "plain" handguard would be replaced with a Picatinny quadrail which allows for attachment of a wide variety of accessories.
Cities Police weapons arsenal (official name Small Arms Maintenance Division) has made modifications to attach indigenous laser sight and flash light. Actually this arsenal is a machine shop specialized in guns modification. All Hellenic Security Forces have SAMD and all cooperate, so any succesfull mod pass to other as well. Among products there are silencers, also produced by gunsmiths for the internal market.
The Aris was on production from 1964-1986, and the Micro Aris 1992-2004.
In HLK citizens are allowed to have pistols for self defense- 0.32 ACP , while pocket pistols are limited to 0.25 ACP. is allowed, hunting rifles or airshoft guns (latter do not need license like other, but its buyer must be at least 18 years old).