The official WFTF Target Checker (designed by Brian Samson, public domain, printed under the Creative Commons CC0 licence).
“The device is designed to give an equivalent impact force to an airgun pellet hitting the paddle of a target at 5.5 ft/lbs energy (7 Joules). To mimic the effect of a target being shot at with a WFTF legal air rifle at 55 yards.”
Fully assembled and ready to use. High quality 3D-printed PLA/PHA in black and orange colours, stainless steel bolts/nuts.
MK2 2018– Brian’s original design
MK3 2019 – Smaller improvements like easily adjustable depth gauge, wrist strap, killzone diameter checkers etc., see below for more details.
MK4 2020 – Further improvements to resolve all issues of the original design. Re-designed internal parts, spring tension can be fine-tuned with a hex key, free travel length of the probe doubled.
MK4.1 2023 – Further improvements, small modifications, safer trigger etc.
MK4.2 2024 – Morer improvements, re-designed trigger, spring guide etc.
Available colours: Dutch Orange, Ultra Marine Blue, Traffic Red, Leaf Green, Intense Green, Fluorescent Pink and Signal Yellow, all with black sides.
Detailed instructions manual (by Scott Hull): download PDF
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