Finally finished this project and wanted to show how fun it is to use!
It's based on a CAM870 MKII, to which I've made a number of modifications:
- Bolt valve spring lightened and trigger hammer spring strengthened to dramatically increase velocity
- Bolt drilled and tapped to accept 1/8 NPT air fitting
- Receiver dremelled to allow travel of attached air fitting
- Hogue stock cut and drilled to mount bottomline regulator ASA to allow easy control of input pressure and thus velocity adjustment
- 12g co2 or HPA remote line configurations
- Check valve installed to improve 12g efficiency
(The cell phone doesn't capture audio very well, it is MUCH louder in person)
(un-gassed firing video)
Obviously I need to work more on my shotgun quad-loading skills, but that's part of the fun of the marker
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It's based on a CAM870 MKII, to which I've made a number of modifications:
- Bolt valve spring lightened and trigger hammer spring strengthened to dramatically increase velocity
- Bolt drilled and tapped to accept 1/8 NPT air fitting
- Receiver dremelled to allow travel of attached air fitting
- Hogue stock cut and drilled to mount bottomline regulator ASA to allow easy control of input pressure and thus velocity adjustment
- 12g co2 or HPA remote line configurations
- Check valve installed to improve 12g efficiency
(The cell phone doesn't capture audio very well, it is MUCH louder in person)
(un-gassed firing video)
Obviously I need to work more on my shotgun quad-loading skills, but that's part of the fun of the marker

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