All Springer/NP/PCP Air Gun Discussion General > "Bob and Lloyds Workshop"
Retained air in a pumper rifle
dan_house:
Steve Woodward, (Steve n NC) designed and built a 2 shot 39x gun, using a butterfly hammer brake
IF the old yellow is still up on Tapatalk or thw wayback machine then those details should be out there
I built one but havent messed with for so long I forget al the details......
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