The Dart Zone: Overview/General Build Log: Prometheus
MILSIG M79 Series HPA Foam Dart Blaster User Manual - Manuals+
Nerf SledgeFire HPA 1 by SuicideNeil on DeviantArt
HPA Nerf Longstrike - Album on Imgur
HPA Tempest – Frontline Foam
Semi Auto HPA Recon || Sniper Buddy Spencer's New Blaster - YouTube
Self contained HPA blaster. Running off a portable compressor that will eventually be mounted on the stock so no air tank needed. Not as slick and quick as an air tank as