What is the FPS (Feet Per Second) performance with 0.20g BBs?
Amped Custom Affordable Series - Delta Armory x Back Draft M4 KeyMod 10" Charlie
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Open Jun 07, 2026 - 08:47 AM
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Jun 07, 2026 - 08:47 AM
The FPS is approximately 380 with 0.20g BBs. Higher FPS provides greater range and impact, which is beneficial for outdoor play and target engagement at a distance. This performance is typical for a delta armory hpa build.
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