What type of system is this trigger compatible with?
Speed Airsoft HPA ULTRA M4 Tunable Trigger Curved
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Open Jun 21, 2026 - 07:48 AM
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Jun 21, 2026 - 07:48 AM
This trigger is compatible with standard HPA M4 systems. HPA stands for High Pressure Air, a system used in airsoft for consistent and adjustable performance. Using a trigger compatible with HPA M4 systems allows for smooth integration into a wide variety of custom airsoft builds.
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Speed Airsoft HPA ULTRA M4 Tunable Trigger Curved
Speed Airsoft HPA M4 Tunable Trigger | Curved Improving on the original M4 HPA Tunable Trigger from 2015, the new M4 HPA Ultra Trigger comes with even more features built in, all while maintaining heritage through a more refined version of the original iconic design. An important next step for SPEED...
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