Airgun Designs (AGD) Warp-Feed-Installation - English
Text from this manual
Hopper Modifications Advanced Warp Feed Installation
To obtain a tighter setup with your Warp Feed and hopper the following two options are suggested: (A) Melting a groove in the side of the hopper. (B) Drilling a pass-thru hole in the hopper.
The feed hose limiting the parallel positioning of the hopper
What you’ll need to melt the hopper:
You’ll need either a high wattage heat gun or propane torch and a felt tipped marker. This pictorial will show us using a heat gun but the effect is the same with the propane torch. In either case, exercise caution and safety. Do this outside or in the garage!
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Mark both sides of the feed tube on the hopper.
You’ll be able to remove this later with some solvent when you’re finished.
Extracted from the PDF. Read the full manual above, or download it.