HK Army Hostile XLP Regulator - Side Port - Red maintenance is a metal laser cut

is a metal laser cut retaining device

wanted as low profile as possible for their uses

but you can choose GA Holster

Enables players to operate the fire selector without charging the bolt by simply switching at a flick of a switch from the outside

Spring Guide Stopper

HK Army Hostile XLP Regulator - Side Port - Red maintenance is a metal laser cutThe Hostile Airsoft XLP Regulator is Engineered from tough, high grade aluminium, this regulator lets you dial in your output pressure from 40psi to 150psi for spot on performance. Equipped with a quick disconnect fitting, it's made for quick disconnect hose setup, so you spend less time gearing up and more time in the game. The rapid recharge rate keeps every shot steady with consistent chronograph FPS, while the field tournament lock has you covered